Abstract: In one example, a cardiac monitoring system comprises a processor to receive a segment of an electrocardiogram (ECG) signal of a patient, and a memory to store the segment of the ECG. The processor is configured to identify QRS complexes in the segment of the ECG signal, generate a supraventricular (SV) template for SV complexes in the QRS complexes, identify SV complexes in the QRS complexes using the template, identify normal sinus rhythm (NSR) complexes in the segment of the ECG signal, obtain an atrial template for atrial waveforms in the NSR complexes, measure a range of a P-wave of the atrial waveforms from the NSR complexes, save the measured P-waves, and classify the identified SV complexes as either atrial fibrillation (AF) or supraventricular tachycardia (SVT) using the atrial template. Other examples and related methods are also disclosed herein.

Abstract: Methods, systems, and devices are disclosed for monitoring electrical signals of the brain. In one aspect, a system for monitoring electrical brain activity associated with visual field of a user includes a sensor unit to acquire electroencephalogram (EEG) signals including a plurality of EEG sensors attached to a casing attachable to the head of a user, a visual display unit attachable to the head of the user over the user's eyes to present visual stimuli, in which the visual stimuli is configured to evoke multifocal steady-state visual-evoked potentials (mfSSVEP) in the EEG signals exhibited by the user acquired by the sensor unit, and a data processing unit in communication with the sensor unit and the visual display unit to analyze the acquired EEG signals and produce an assessment of the user's visual field, in which the assessment indicates if there is a presence of visual field defects in the user's visual field.

Abstract: Systems, methods and computer-readable media are disclosed for providing therapeutic auditory stimulation. Consistent with disclosed embodiments, a system for providing therapeutic auditory stimulation may comprise a diagnostic unit that computes an EEG spectral density of a patient and a heart rate spectral density of a patient and provides values for one or more EEG frequency bands and one or more heart rate frequency bands. The system may also comprise a therapy unit that generates, based on the provided values, one or more stimulation waveforms corresponding to one or more of the EEG frequency bands and provides the stimulation waveforms for therapeutic auditory stimulation. The stimulation waveforms may comprise audible carrier frequencies modulated by signals with frequencies that vary exponentially with time. The EEG frequency bands may comprise the delta, theta, alpha, beta 1, beta 2, and gamma EEG frequency hands.

Abstract: A method and apparatus is described comprising: receiving or generating a signal for transmission, wherein the signal for transmission is based on an input signal; and converting the signal for transmission into a variable magnetic field directed towards a human or animal body, wherein the variable magnetic field induces eddy currents in order to generate an electrical current signal in the human or animal body.

Abstract: Systems and methods are provided for processing a set of multiple serially acquired magnetic resonance spectroscopy (MRS) free induction decay (FID) frames from a multi-frame MRS acquisition series from a region of interest (ROI) in a subject, and for providing a post-processed MRS spectrum. Processing parameters are dynamically varied while measuring results to determine the optimal post-processed results. Spectral regions opposite water from chemical regions of interest are evaluated and used in at least one processing operation. Frequency shift error is estimated via spectral correlation between free induction decay (FID) frames and a reference spectrum. Multiple groups of FID frames within the acquired set are identified to different phases corresponding with a phase step cycle of the acquisition. Baseline correction is also performed via rank order filter (ROF) estimate and a polynomial fit.

Abstract: Systems and methods for providing image guidance for motion tracking and compensation in magnetic resonance imaging (“MRI”) guided therapies, such as MRI-guided radiation therapies using an MR-linac or other MRI-guided radiation therapy system, are described. Simultaneous orthogonal plane imaging (“SOPI”) is used to acquire images from a first slice that remains static throughout the acquisition, and from a plurality of slices that are orthogonal to the first slice. This first slice can be referred to in some instances as a “tracking” or “navigator” slice, and the plurality of slices that are orthogonal to the first slice can be referred to as “imaging” slices. The tracking slice images can be used to estimate motion of the subject that occurred during the data acquisition, and to track the position of targets (e.g., anatomical targets) during the delivery of radiation treatment.

Abstract: The present disclosure provides techniques for determining a respiration phase by extracting a distance characteristic value, a score characteristic value, and an area characteristic value from the respiration signal, wherein the distance characteristic value, the score characteristic value and the area characteristic value are used to indicate waveform variation between two adjacent waveforms in the respiration signal. The techniques include training a respiration signal model according to the distance characteristic value, the score characteristic value, and the area characteristic value to determine the respiration phase of the respiration signal using the respiration signal model.

Abstract: Systems and methods for bioimpedance measurement are provided. An example system includes a strap for carrying a smart watch on a wrist of a user, a bioimpedance measurement module, and an acoustic generator embedded into the strap. The bioimpedance measurement module is configured to measure an impedance of a tissue of the user. The acoustic generator is further configured to generate an acoustic signal modulated to carry data including the impedance. The acoustic signal can be sensed by an acoustic sensor of the smart watch. The smart watch may include an application for sensing the acoustic signal and for converting the sensed acoustic signal into a value for the impedance.

Abstract: An apparatus for measuring lesion volume, for example, in laboratory animals, provides a mirror box allowing a camera to simultaneously acquire profiles of the lesion along at least two crossing axes from which accurate volume may be approximated at low cost.

Abstract: Apparatus and systems for providing magnetic fields for controlling micro-devices implanted in a patient body, organ, or tissue. Novel coil configurations are disclosed which provide magnetic fields of adequate strength and directional characteristics over a large operational region with minimal weight and power dissipation, while providing ease of access to the focus regions. Also provided are micro-devices in various size regimes which can be controlled both in position as well as in function (such as release of therapeutic materials), and which are capable of both energy and data transfer with the magnetic field control system.

Abstract: An medical device, comprising an elongate shaft extending along a shaft longitudinal axis and comprising a shaft proximal portion and a shaft distal portion that is sized and configured for insertion into a body. An active magnetic position sensor can be disposed within the shaft distal portion.

Abstract: A breath analyte device includes a breath volume in fluid communication with a sampling volume. The device also includes a sampling sensor configured to generate a breath signal that varies in response to changes in gas pressure (e.g., sound waves) in the breath volume and one or more analyte sensors configured to generate one or more analyte signals that vary in response to a concentration of one or more target analytes present in the sampling volume. A control unit is configured to determine a time at which to measure the concentration of target analytes in the sampling volume based on the breath signal and measure the concentration of the target analytes based on the analyte signals at the determined time. The device may also include a pump configured to motivate gas from the breath volume into the sampling volume prior to measuring the concentration of the target analytes.

Abstract: An electronic device includes a measurement unit that measures a contour of an abdomen and a controller that displays the contour on a display. The controller displays a first contour and a second contour that are measured at different times in overlap on the display.

Abstract: A living body detection device includes a receiver that receives, from at least one non-contact sensor, a measurement result obtained by measuring a detection area with the at least one non-contact sensor, an extraction circuit that extracts a biological signal from the measurement result, a counting circuit that counts the number of living bodies present in the detection area from the biological signal, and an acquisition circuit that acquires a prescribed number of living bodies to be present in the detection area, and a verification circuit that verifies whether the number of living bodies counted by the counting circuit is equal to the prescribed number and outputs a result of verification.

Abstract: The disclosure provides a tremor identification method and a system thereof. The method includes: projecting a first optical pattern to a part to be measured, so as to correspondingly form a second optical pattern on the part to be measured, wherein the second optical pattern is synthesized to include at least one intersection; capturing a plurality of images of the second optical pattern on the part to be measured and acquiring a motion feature of each intersection based on the images; and identifying a tremor pattern of the part to be measured based on the motion feature of each intersection.

Abstract: A method of detecting gaits of an individual with a sensor worn by the individual. The sensor includes an accelerometer and a processing unit. The method includes obtaining an signal representing one or more sensor acceleration values; sampling the signal to obtain a sampled signal; segmenting the sampled signal into windows to obtain a segmented acceleration signal; extracting a feature set from the segmented acceleration signal; determining a probability value, for a respective window, n, where n is a positive integer greater than zero, the probability value giving an estimated probability value of gait occurrence for the individual during the respective window; modifying the estimated probability value by using a histogram of previously detected gait durations to obtain a modified probability value; and determining, based on the modified probability value, and by using a determination threshold whether or not the respective window represents gait occurrence.

Abstract: A person support apparatus, such as a bed, cot, stretcher, or the like, for a supporting an occupant includes an exit detection system that has, in some embodiments, multiple user-selectable zones. An alert is triggered when the occupant crosses a boundary of the selected zone. A first zone has a boundary that is adjusted based on a condition of the person support apparatus, such as the width of the support deck or other characteristic. A second zone has a boundary that is not adjusted based on the condition of the person support apparatus, but which may have a boundary that is dependent on an initial location of the occupant when the exit detection system is armed. The initial location of the occupant may correspond to a center of gravity of the occupant.

Abstract: A system and method are provided for performing physical activity monitoring and fall detection of a subject using a wearable sensor including at least one audio sensor and at least one of an accelerometer, a gyroscope and a magnetometer. The method includes monitoring activities of the subject using the at least one of the accelerometer, the gyroscope and the magnetometer, and identifying a characteristic motion pattern based on the monitored activities; detecting an apparent fall experienced by the subject based on the identified at least one characteristic motion pattern; monitoring sounds provided by the at least one audio sensor following the detected apparent fall; determining whether the detected apparent fall is an actual fall experienced by the subject based on the monitored sounds; and communicating an indication of the actual fall to a monitoring system, enabling commencement of responsive action.

Abstract: According to an embodiment, a system comprises a target image display forming a skeleton image of a subject on a grid pattern with a predetermined unit length and coordinates via image processing by a three-dimensional (3D) depth camera, specifying, on the skeleton image, feature points corresponding to the subject's joints, a reference point corresponding to a measurement target among the feature points, and a motion point corresponding to a joint moving with respect to the reference point, and generating a connection line connecting the feature points and an information processor obtaining the body information from the skeleton image using the feature points, the connection line, the grid pattern, and a gravity line and median line of the subject, evaluating the posture information according to a preset posture classification criterion, and measuring the joint motion range by tracking motion of the motion point with respect to the reference point.

Abstract: An apparatus for estimating bio-information according to an embodiment of the present disclosure includes a processor configured to obtain spectra from an object, obtain a component produced based on a change in pressure applied to the object, correct the spectra based on the obtained component produced based on the change in pressure, and estimate bio-information of the object based on the corrected spectra.

Abstract: A medical system includes a probe, an electro-optical measurement unit, and a processor. The probe is configured for insertion into a blood vessel of a brain, and includes two optical fibers, which include each an optical diffuser at distal ends thereof. One fiber is configured to guide an optical signal to a location along the blood vessel and to diffuse the optical signal so as to interact with a brain clot in the blood vessel. The other fiber is configured to collect the diffused optical signal that interacted with the brain clot at another location along the blood vessel. The electro-optical measurement unit is configured to transmit the optical signal to one optical fiber, and to receive and measure the diffused optical signal from the other optical fiber. The processor is configured to identify a composition of the brain clot by analyzing the measured diffused optical signal.

Abstract: A sensor, system, and method for detecting and correcting for changes to an analyte indicator of an analyte sensor. The analyte indicator may be configured to exhibit a first detectable property that varies in accordance with an analyte concentration and an extent to which the analyte indicator has degraded. The analyte sensor may also include a degradation indicator configured to exhibit a second detectable property that varies in accordance with an extent to which the degradation indicator has degraded. The analyte sensor may generate (i) an analyte measurement based on the first detectable property exhibited by the analyte indicator and (ii) a degradation measurement based on the second detectable property exhibited by the degradation indicator. The analyte sensor may be part of a system that also includes a transceiver. The transceiver may use the analyte and degradation measurements to calculate an analyte level.

Abstract: An oximeter probe includes a probe unit or a base unit and a probe tip where the probe tip has a number of sources and detectors that can be accessed individually or in differing combinations for measuring tissue oxygen saturation at different tissue depth in tissue. A processor of the oximeter probe controls a multiplexer that is coupled to the detectors for selectively collecting measurement information from the detectors via the multiplexer. The oximeter probe is user programmable via one or more input devices on the oximeter probe for selecting the particular sources and detectors to collect measurement information from by the processor.

Abstract: The present disclosure provides generally for providing behavioral insights across individuals and groups and presenting this information in a clear, actionable, and reliable way. The method and system may efficiently and effectively assess individuals and groups using a variety of factors, such as with psychometric assessments. Accordingly, the present disclosure relates to systems and methods for providing dynamic behavioral insights for individuals and groups.

Abstract: A biometric sensor device system including a biometric sensor device, and a prediction computer. The biometric sensor device includes at least one camera, and a biometric sensor device processor configured to record a time synchronized communicative interaction between participants, by controlling at least one camera to record the participants over a time period, and transfer the recorded communicative interaction to the prediction computer. The prediction computer including a prediction computer processor configured to extract, from the recorded communicative interaction, a physical characteristic of each of the participants over the time period, compare the physical characteristic of at least one of the participants with the physical characteristic of at least another one of the participants over the time period, and classify or score at least one of the participants according to a predetermined classification or dimensional scoring scheme based on the comparison.

Abstract: Systems, methods and apparatus of drowsiness detection for vehicle control. For example, a vehicle includes: a camera configured to face a driver of the vehicle and generate a sequence of images of the driver driving the vehicle; an artificial neural network configured to analyze the sequence of images and classify, based on the sequence of images, whether the driver is in a drowsy state; and an infotainment system configured to provide instructions to the driver in response to a classification by the artificial neural network that the driver is in the drowsy state.

Abstract: A sensor plaster (116) for the transcutaneous measurement of an organ function, more particularly of a kidney function, is proposed. The sensor plaster (116) comprises at least one flexible carrier element (134) having at least one adhesive surface (138) which can be stuck onto a body surface. Furthermore, the sensor plaster (116) comprises at least one radiation source, more particularly a light source (142), wherein the radiation source is designed to irradiate the body surface with at least one interrogation light (162). Furthermore, the sensor plaster (116) comprises at least one detector (146) designed to detect at least one response light (176) incident from the direction of the body surface.

Abstract: A seizure detection system including one or more circuits, the one or more circuits configured to receive an electroencephalogram (EEG) signal generated based on electrical brain activity of a patient. The one or more circuits are configured to determine metrics based on the EEG signal, the metrics indicating non-linear features of the EEG signal, determine that the EEG signal indicates a candidate seizure by determining, based at least in part on the metrics, a change in the non-linear features of the EEG signal over time, and generate a seizure alert indicating that the EEG signal indicates the candidate seizure. The change in the non-linear features indicates a physiological force that gives rise to the candidate seizure.

Abstract: A seizure detection system including one or more circuits, the one or more circuits configured to receive an electroencephalogram (EEG) signal generated based on electrical brain activity of a patient. The one or more circuits are configured to determine metrics based on the EEG signal, the metrics indicating non-linear features of the EEG signal, determine that the EEG signal indicates a candidate seizure by determining, based at least in part on the metrics, a change in the non-linear features of the EEG signal over time, and generate a seizure alert indicating that the EEG signal indicates the candidate seizure. The change in the non-linear features indicates a physiological force that gives rise to the candidate seizure.

Abstract: A detection device and detection method for fusion of tactile sensing and optical tomography, including a handheld probe, a controller for performing signal control and data acquisition on the handheld probe and communicating with a computer, and the computer for performing data analysis and image reconstruction and display on controller information. The handheld probe includes a probe front cover. A tactile sensor, a probe base, and a photoelectric sensor module disposed in sequence are sandwiched between a first probe side cover and a second probe side cover matching the probe front cover. An optical fiber connected to the photoelectric sensor module is interposed between the first probe side cover and the second probe side cover. A detection method based on the detection device comprises detecting tumors inside biological tissue, and detecting physical changes (i.e. local hardness) of the tissue and functional changes (i.e. blood supply distribution) of the tissue.

Abstract: Disclosed herein is an apparatus comprising: an insertion tube configured to be inserted into a human; a metal target disposed inside the insertion tube and configured to emit X-ray by receiving radiation.

Abstract: Instruments and methods for wide-field polarized imaging of the skin to determine an outer lesion margin objectively in vivo to provide guidance to a surgeon. Quantitative characterization of collagen structures in the skin can be used to determine the outer lesion margin or monitor skin treatment.

Abstract: An apparatus and method for detecting and reducing bruxism is described. The method includes the placement of a pressure resistive (or piezoelectric) sensor on the skin above the temporalis muscle in order to detect grinding of the teeth based on movement of the temporalis muscle. Alternatively, a pressure resistor could be used in the ear. The pressure resistive sensor could be made of carbon-impregnated polyolefin with spacers between a plurality of layers of the carbon-impregnated polyolefin. Once bruxism is detected, a patient is notified and uses bio-feedback to curtain the grinding of the teeth.

Abstract: A portable intraoral transilluminator (1) for mapping some blood vessels of a patient's lower face (24) prior to a surgical operation or aesthetic intervention is described. The transilluminator has a central LED (7) that illuminates the internal region of the patient's mouth, allowing the visualization of the facial artery and some of its branches and thus its mapping. The use of the transilluminator reduces the risk of necrosis and bruising of the patient's epidermis (24) submitted to aesthetic facial harmonization procedures with dermal fillers and other surgical or aesthetic interventions.

Abstract: A computer-based system and method for generating a current pain assessment of a neonate using facial expressions along with crying sounds, body movement, and vital signs changes and for using the current pain objective assessment to predict future pain objective assessment and assign a future pain probability score by incorporation spatiotemporal data into the multimodal assessment.

Abstract: Controllers for dry eye treatment apparatus and methods are described herein which generally comprise a patch or strip affixed to the skin of the upper and/or lower eyelids to deliver heat to the one or more meibomian glands contained within the underlying skin. The treatment strip or strips include one or more strips configured to adhere to an underlying region of skin in proximity to one or both eyes of a subject such that the one or more strips allow for the subject to blink naturally without restriction from the one or more patches. A controller is in communication with the one or more strips and is programmable to monitor a temperature of the one or more strips to provide a treatment therapy above a threshold temperature of, e.g., 39° C., and below a maximum temperature of, e.g., 48° C., over a treatment period of 12 minutes.

Abstract: The present disclosure is directed to systems and methods for developing an individual-specific patient baseline for a target patient. An exemplary method involves: determining one or more acuity scores for the target patient; identifying patient health data corresponding to one or more low acuity time periods; storing retrospective clinical data from a group of patients in a second database; comparing the patient health data corresponding to the one or more low acuity time periods with retrospective clinical data from a group of patients by identifying one or more patient subgroups; determining the individual-specific patient baseline using an adaptive baseline selection algorithm, wherein the adaptive baseline selection algorithm is used to determine whether to determine the individual-specific patient baseline using patient health data or using retrospective clinical data from one or more patient subgroups; and displaying, using a user interface, the individual-specific patient baseline.

Abstract: The present disclosure provides systems and methods for collecting and analyzing vital sign information to predict a likelihood of a subject having a disease or disorder. In an aspect, a system for monitoring a subject may comprise: sensors comprising an electrocardiogram (ECG) sensor, which sensors are configured to acquire health data comprising vital sign measurements of the subject over a period of time; and a mobile electronic device, comprising: an electronic display; a wireless transceiver; and one or more computer processors configured to (i) receive the health data from the sensors through the wireless transceiver, (ii) process the health data using a trained algorithm to generate an output indicative of a progression or regression of a health condition of the subject over the period of time at a sensitivity of at least about 80%, and (iii) provide the output for display to the subject on the electronic display.

Abstract: A method determining adverse events from operation of an implantable blood pump including calculating a moving average convergence divergence (MACD) based on power consumed by the implantable blood pump to maintain a constant rotational speed of an impeller of the implantable blood pump. An alert is generated when the calculated MACD diverges from a predetermined MACD threshold and a predetermined MACD zero-crossing time threshold.

Abstract: An apparatus and method for assessing vascular compliance in subjects with multiple sclerosis using sequential gas delivery is provided. The apparatus includes a gas delivery device and a processor. The processor controls the gas delivery device to deliver a first and second gas during a single inspiration. The first gas contains a mixture of oxygen and carbon dioxide necessary to target an end-tidal concentration of the two gases. The second gas includes a concentration of carbon dioxide equal to the target end-tidal concentration of carbon dioxide.

Abstract: A system, method, and smartwatch for protecting a user. Daily living metrics and behavioral metrics are measured utilizing a smartwatch worn by a user. Metrics including the daily living metrics and the behavioral metrics are compiled. One or more scores are generated for daily living and behavioral utilizing the metrics. One or more alerts are communicated for one or more authorized users in response to the one or more scores.

Abstract: An apparatus and method to reliably attach an electronic module to a textile. The overall mechanical assembly of the invention includes: (a) light pipe, (b) top enclosure, (b) magnet, (c) main electronics which contains (d) the main PCB, (e) battery and (f) other electronic components, (g) bottom enclosure, which holds (h) the connector PCB, (i) module dock, (j) top textile PCB which are located above the (j) textile band and under the (k) textile pocket and the (I) bottom textile PCB and (m) fabric and laminate padding, which are located below the textile band. The invention is physically embodied by an electronic module, comprising at least one printed circuit board (PCB), comprising at least one conductive circuit and at least one electronic component; a metallic rivet, grommet or eyelet to mechanically and electrically connect the; and a textile substrate with at least one electrically conductive circuit.

Abstract: A device includes a digit probe, a plurality of optical elements, a processor, and a communication module. The digit probe has an interior surface and has an exterior surface. The interior surface is configured to engage a digit and the exterior surface is configured to engage a tissue site associated with the digit. The plurality of optical elements is coupled to at least one of the interior surface and the exterior surface. The plurality of optical elements includes at least one emitter and includes at least one detector. The processor is coupled to the plurality of optical elements. The processor is configured to generate a measure of arterial oxygenation corresponding to the digit and configured to generate a measure of regional oxygenation corresponding to the tissue site. The communication module is coupled to the processor. The communication module is configured to communicate the measure of arterial oxygenation and regional oxygenation with a remote device.

Abstract: The present embodiments relate generally to applicators of on-skin sensor assemblies for measuring an analyte in a host, as well as their method of use and manufacture. In some aspects, an applicator for applying an on-skin sensor assembly to a skin of a host is provided. The applicator includes an applicator housing, a needle carrier assembly comprising an insertion element configured to insert a sensor of the on-skin sensor assembly into the skin of the host, a holder releasably coupled to the needle carrier assembly and configured to guide the on-skin sensor assembly while coupled to the needle carrier assembly, and a drive assembly configured to drive the insertion element from a proximal starting position to a distal insertion position, and from the distal insertion position to a proximal retraction position.

Abstract: A portable, handheld measurement device for monitoring lung function is provided. The measurement device includes one or more components designed to directly or indirectly detect air flow properties such as the direction, flow rate, and/or volume of air flow within a lumen of the device. In some embodiments, the air flow properties are determined from changes in pressure within the lumen. The measurement device may form part of a system that includes a remote computing device and a computer server. In some such embodiments, at least one of the computers present within the system calculates spirometry measurements from the air flow detected within the measurement device. Such measurements may be stored, displayed, and/or shared with others. Various methods performed by the devices and systems are also disclosed.

Abstract: In order to improve the noise suppression in a video image stream 3 of a medical image recording system, the video image stream including a sequence of frames, it is provided that an image processing unit 5 of the image recording system analyses the video image stream 3 continuously in real time and determines at least one variability between successive image pixels of the frames, for example of spatially adjacent image pixels of frames and/or of image pixels of a plurality of the frames corresponding to one another spatially and temporally, in order, on the basis of the variability determined, to set at least one parameter of a noise suppression subsequently applied to the video image stream 3. As a result, the noise suppression can be adapted continuously to a current recording situation.

Abstract: In one embodiment, a method to differentiate between causes of noise in an electrocardiogram (ECG) signal. The method connecting to at least one sensing electrode and obtaining the ECG signal from the at least one sensing electrode. The method also includes detecting noise on the ECG signal and detecting ancillary conditions. The method also includes associating the noise on the ECG signal with at least one of the ancillary conditions and providing an actionable indication to a patient associated with the noise on the ECG signal.

Abstract: Provided is a diagnostic support program that is possible to display a movement of an area whose shape changes for each respiratory element including all or part of expired air or inspired air.

Abstract: In some embodiments, features related to inter-beat intervals (IBI) detected by a PPG sensor of a wearable device are extracted and provided to a cardiovascular classifier in order to detect likely instances of a cardiac condition such as atrial fibrillation. Some embodiments use features related to the entropy of the IBI data to improve the predictions generated by the cardiovascular classifier. In some embodiments, co-information between the IBI data and IBI data gathered from healthy and AF populations is determined in order to derive features that represent the probability that a given sample of IBI data represents AF or a normal sinus rhythm. In response to determining likely instances of AF based on these features, the wearable device may obtain clinically acceptable data, such as an ECG, to be transmitted to a separate device for review by a clinician.

Abstract: Disclosed herein is a frailty diagnosis apparatus. The frailty diagnosis apparatus includes a physical performance meter and a processor for determining a frailty index of a target person based on physical performance of the target person obtained by the physical performance meter. The physical performance meter includes at least one among a gait speed meter for measuring a gait speed of the target person, a body balance meter for measuring a body balance maintenance time of the target person, and a muscle strength meter for measuring a muscle exercise time.