Abstract: A cardiac monitoring and treatment system includes a controller, a first wearable portion, and a second wearable portion separate from the first wearable portion. The first wearable portion includes an elongated strap configured to encircle a thoracic region of a patient, a plurality of ECG sensing electrodes disposed about the elongated strap, one or more receiving ports configured to receive one or more additional components including a treatment electrode and/or an additional sensor, and a plurality of conductive wires configured to couple the plurality of ECG sensing electrodes and the one or more receiving ports with the controller. The second wearable portion is configured to be worn over at least one shoulder of the patient and includes a wearable substrate, one or more treatment electrodes disposed on the wearable substrate, and at least one conductive wire configured to releasably connect the one or more treatment electrodes to the controller.

Abstract: A non-invasive bodily-attached ambulatory medical monitoring and treatment device with pacing is provided. The noninvasive ambulatory pacing device includes a battery, at least one therapy electrode coupled to the battery, a memory storing information indicative of a patient's cardiac activity, and at least one processor coupled to the memory and the at least one therapy electrode. The at least one processor is configured to identify a cardiac arrhythmia within the information and execute at least one pacing routine to treat the identified cardiac arrhythmia.

Abstract: Apparatuses and methods are provided for automatically determining which type of resuscitation treatment is most appropriate for a patient. Methods are provided that include the following. One or more time domain signal measurements are transformed into frequency domain data representative of a frequency content of the one or more time domain signal measurements. The frequency domain data is processed to identify peaks. For each of the peaks, for each of multiple points in time, multiple parameters of the peak are determined. Based on the multiple parameters of the peaks for each of the multiple points in time, a trajectory is determined. The determined trajectory is analyzed in determining a recommended type of resuscitation treatment. An output indication is provided of the recommended type of resuscitation treatment.

Abstract: A medical device that includes a power source, a therapy delivery interface, therapy electrodes, electrocardiogram (ECG) sensing electrodes to sense ECG signal of a heart of a patient, a sensor interface to receive and digitize the ECG signal, and a processor. The processor is configured to analyze the ECG signal to determine a cardiac rhythm and a transform value representing a magnitude of a frequency component of the cardiac rhythm, analyze the cardiac rhythm and the transform value to detect a shockable cardiac arrhythmia by classifying the cardiac rhythm as a noise rhythm or a shockable cardiac arrhythmia rhythm based on the transform value, and causing the processor to detect the cardiac arrhythmia if classifying the cardiac rhythm as a shockable cardiac arrhythmia rhythm, initiate a treatment alarm sequence, adjust the shock delivery parameter for a defibrillation shock, and provide the defibrillation shock via the therapy electrodes.

Abstract: A system including an ambulatory medical treatment device is provided. The ambulatory medical treatment device includes a memory, a treatment component configured to treat a patient, at least one processor coupled to the memory and the treatment component, a user interface component, and a system interface component. The user interface component is configured to receive an update session request and to generate the update session identifier responsive to receiving the request. The system interface component is configured to receive an encoded request including an identifier of an update session and device update information, to decode the encoded request to generate a decoded request including the device update information and the identifier of the update session, to validate the decoded request by determining that the update session identifier matches the identifier of the update session, and to apply the device update information to the ambulatory medical treatment device.

Abstract: A wearable medical device comprises a harness, a therapy electrode and an electrocardiogram (ECG) sensing electrode included within the harness, an audio transducer coupled to the therapy electrode or to the ECG electrode and configured to monitor heart sounds of a user of the wearable therapeutic device, and a controller configured to receive signals from the audio transducer regarding the heart sounds of the user and to transmit data regarding the heart sounds to an external system for processing and analysis.

Abstract: A system for configuring an ambulatory medical device includes an ambulatory medical device configured to monitor at least one electrocardiogram signal received from a patient for an occurrence of one or more cardiac events. The system also includes a remote computing device configured to receive a set of threshold values related to operation of the ambulatory medical device. The threshold values identify one or more conditions indicative of an occurrence of one or more cardiac events. The remote computing device is configured to query a master lookup table to determine a lookup code associated with the received set of threshold values, establish a communication link with the ambulatory medical device, receive an activation notification indicating that the ambulatory medical device has been activated, and encode a key. The encoded key includes the lookup code. The remote computing device is configured to transmit the encoded key to the ambulatory medical device.

Abstract: A medical device including a probe configured to be orally inserted into a lumen extending into the thorax of the subject, a plurality of electrodes, and a control circuit. The probe includes a first electrode. The plurality of electrodes includes at least one second electrode and at least one third electrode configured to be disposed externally on the thorax of the subject on a first side of a sternum of the subject and a second side of the sternum of the subject, respectively, the second side opposite the first side. The control circuit is electrically coupled to the first electrode and the at least one second and third electrodes and configured to measure an impedance between the first electrode and each of the at least one second and third electrodes and determine a ratio of arterial blood volume relative to venous blood volume based upon the measured impedance.

Abstract: A system for providing a visual summary of a condition of a patient when traumatic brain injury (TBI) is suspected or diagnosed includes at least one patient condition sensor configured to sense data representative of a patient condition parameter of interest for a TBI patient; at least one airflow sensor configured to sense data representative of ventilations provided to the patient; at least one visual display for providing the visual summary to a user; and at least one controller. The at least one controller is configured to cause the visual display to provide the visual summary. The visual summary can include at least one visual representation of at least one patient condition parameter for each time interval of a plurality of time intervals, at least one visual representation of ventilation information, and a visual indication of when at least one patient condition parameter is outside of a target range.

Abstract: Apparatus for automatic delivery of chest compressions and ventilation to a patient. The apparatus includes a chest compressing device configured to deliver compression phases during which pressure is applied to compress the chest and decompression phases during which approximately zero pressure is applied to the chest a ventilator configured to deliver positive, negative, or approximately zero pressure to the airway; control circuitry and processor, wherein the circuitry and processor are configured to cause the chest compressing device to repeatedly deliver a set containing a plurality of systolic flow cycles, each systolic flow cycle including a systolic decompression phase and a systolic compression phase, and at least one diastolic flow cycle interspersed between sets of systolic flow cycles, each diastolic flow cycle including a diastolic decompression phase and a diastolic compression phase, wherein the diastolic decompression phase is substantially longer than the systolic decompression phase.

Abstract: A computing device includes a memory configured to store instructions. The computing device also includes a processor to execute the instructions to perform operations that include providing an alternating electrical signal to a patient through at least a pair of electrodes, and determining transthoracic impedance of the patient from a measurement associated with the applied alternating electrical signal. Operations also include identifying, from the transthoracic impedance, a sequence of resistance values for controlling the discharge of a charge storage device located external to the patient, and controlling the discharge of the charge storage device using the identified sequence of resistance values.

Abstract: In one aspect, a system for automatically processing a medical claim includes a billing automation platform, a navigation device with a global positioning system for collecting patient transport information including a location of a medical encounter, and a computing device for receiving the patient transport information and patient charting information and transmitting the information for use by the billing automation platform. The billing automation platform may access fee schedule(s) based on a location of the medical encounter, automatically populate the medical claim based on the patient charting information, the patient transport information, and the fee schedule(s), and automatically route the medical claim through workflow paths of a claim processing workflow.

Abstract: Data samples derived from raw physiological data captured by sensors of a wearable medical device monitoring a patient's heart, such as a first ECG channel data sample, a second ECG channel data sample, and/or a cardio-vibrational data sample, are applied to a multi-tier machine learning engine to determine a cardiac condition measure traditionally calculated based upon information typically derived in a laboratory or clinical setting. A first tier of the multi-tier machine learning engine may analyze the physiological data sample(s) using first machine learning classifier(s) to obtain a first result. The first result may then be applied to second machine learning classifier(s) of a second tier of the machine learning engine, along with physiological metrics and/or patient clinical information, to determine the cardiac condition measure.

Abstract: A wearable medical device is provided for monitoring a cardiac condition of a patient, where the device is releasably mounted to the patient's chest and includes at least two skin-facing electrodes forming a first one or more ECG leads for ongoing monitoring of heart functioning and at least one touch electrode for intermittently obtaining additional circuit vectors for deriving additional metrics regarding the functioning of the patient's heart. Each touch electrode is configured to form an additional lead/vector that is a larger vector and/or separated by at least 15° from a corresponding first lead/vector formed from the first one or more ECG leads in a vector cardiogram representation of the first one or more ECG leads and the additional lead/vector.

Abstract: A wearable defibrillator for use in monitoring patient movement and cardiac activity and treating a patient includes a garment configured to be worn by the patient, treatment electrodes configured to apply an electric current to the patient, and an alarm module configured to provide audio, visual, and haptic notifications. The notifications are configured to indicate that an electric current will be administered imminently and prompt the patient to provide a response input. The wearable defibrillator includes a motion sensor configured to detect motion and body position of a patient, and a controller in electrical communication with the alarm module and the motion sensor. The controller is configured to monitor for the response input after the prompt, determine, based on the detected motion and body position, whether the patient is sleeping, and cause a change in one or more characteristics of the prompt on determining that the patient is sleeping.

Abstract: A patient monitoring device includes an ECG sensor coupled to a patient, a sensor coupled to the patient and configured to detect bio-vibrational signals, and a radio frequency monitoring device configured to produce information responsive to electromagnetic energy reflected from the patient's thoracic cavity. A processor processes the ECG signals, the bio-vibrational signals, and the radio frequency information to generate a plurality of physiological parameters of the patient. The processor also performs at least one of a predictive analysis and a trend analysis of the plurality of physiological parameters to determine a current clinical condition of the patient. The trend analysis includes determining a substantial relationship between changes in the plurality of physiological parameters.

Abstract: A system for clinical decision support for a caregiver during a clinical encounter involving respiratory distress includes a defibrillator-patient monitor including sensors configured to gather patient physiological data, a user interface device, a memory, and a processor communicatively coupled to the defibrillator-patient monitor, the memory, and the user interface device and configured to control the user interface device to display diagnosis and treatment pathways (DTPs) including a respiratory distress DTP, receive a user selection of the respiratory distress DTP, control the user interface device to provide at least a portion of the physiological data in response to the user selection of the respiratory distress DTP, provide a suggested respiratory distress diagnosis at the user interface device based on the physiological data and the user selection of the respiratory distress DTP, and provide a respiratory distress treatment protocol at the user interface device based on the suggested respiratory distr

Abstract: A wearable cardiac monitoring and treatment device includes a garment, a plurality of ECG electrodes, a plurality of therapy electrodes, a therapy delivery circuit, and one or more sensors configured to monitor one or more physiological signals of the patient. The device also includes a controller configured to detect an arrhythmia condition, cause the therapy delivery circuit to deliver one or more therapeutic pulses to the patient on detecting the arrhythmia condition, detect that the garment is no longer worn about the torso of the patient prior to expiration of at least a prescribed duration of wear by detecting a loss of signal for at least a threshold period of time from one or more of the plurality of ECG sensing electrodes and/or one or more of the one or more sensors, and issue a notification that the garment is no longer worn about the torso of the patient.

Abstract: A spatially sensitive augmented reality system for providing resuscitative feedback in a mixed reality environment to an acute care provider during occurrence of a cardiac event in a patient includes a wearable augmented reality device having at least one three-dimensional sensor, a visual display for viewing by the acute care provider, and at least one processor. The at least one processor is configured to receive and process three-dimensional information of a scene of the cardiac event; produce a three-dimensional representation of a field of view of the acute care provider based on the processed three-dimensional information; identify one or more physical objects associated with the cardiac event in the three-dimensional representation; generate at least one virtual three-dimensional object within the three-dimensional representation; and generate an image of the virtual three-dimensional object within the three-dimensional representation on the visual display.

Abstract: A therapy electrode apparatus for dispensing conductive gel to skin of a patient wearing a wearable defibrillator includes a therapy electrode, at least one reservoir comprising the conductive gel, and a gel deployment device comprising at least two reactive chemicals. The at least one reservoir is configured to release the conductive gel between the therapy electrode and a patient's skin prior to a delivery of one or more therapeutic shocks. The gel deployment device configured to, on receiving a treatment signal from a controller of the wearable defibrillator operably connected to the gel deployment device, cause the at least two reactive chemicals to come into contact to produce a pressurized fluid to release the conductive gel from the at least one reservoir between the therapy electrode and the patient's skin.