Abstract: An external defibrillator system includes one or more compression sensors; one or more physiological sensors; and at least one processor. The at least one processor is configured to: receive and process chest compression signals and physiological signals from the sensors, determine values for chest compression depth and/or chest compression rate based on the received chest compression signals, determine a trend of at least one physiological parameter over a period comprising multiple chest compressions based on the received physiological signals, adjust a target chest compression depth and/or target chest compression rate based on the determined trend of the at least one physiological parameter, compare the determined values for chest compression depth and/or chest compression rate to the adjusted target compression depth and/or the adjusted target compression rate, and provide feedback about the quality of chest compressions performed on the patient.

Abstract: A feedback device for an acute care provider includes: at least one motion sensor; a haptic output component for providing feedback having a varying haptic pattern to the acute care provider regarding performance of a resuscitation activity; and a controller. The controller can be configured to receive and process a signal representative of performance of the resuscitation activity from the at least one motion sensor, compare the acute care provider's performance of the resuscitation activity to a target performance of the resuscitation activity, and cause the haptic output component to provide haptic feedback to the acute care provider by changing the haptic pattern based, at least in part, on the signal from the at least one motion sensor and the comparison of the acute care provider's performance to the target performance of the resuscitation activity. The device can be adapted to be wrist-worn by the acute care provider.

Abstract: Embodiments of the present invention include a system having at least one sensor configured to monitor a muscle oxygen saturation (SmO2) level of a patient who is undergoing cardiac arrest and to generate a signal representing SmO2 level; a user interface device; a processor communicably coupled to the user interface device, the processor configured to cause the user interface device to present an array of two or more possible nodes of a clinical decision support tree, wherein at least one of the nodes indicates cardiopulmonary resuscitation (CPR) treatment of the patient with no ventilation, and wherein at least another of the nodes indicates CPR treatment of the patient with active ventilation; determine which of the two or more possible nodes should be emphasized based on the SmO2 level; and update the array of the two or more possible nodes based on the determination.

Abstract: Systems for detecting contact between an electrode and a patient's skin using one or more contact detection schemes are provided. An example system can include an electrode assembly comprising at least one electrode configured to be disposed substantially proximate to the patient's skin and configured to at least one of sense an ECG signal of the patient and provide one or more therapeutic pulses to the patient, one or more sensors disposed on the electrode assembly and isolated from the electrode, the sensors configured to measure one or more properties to determine contact between the electrode and the patient's skin, and a controller configured to receive data representing the measured one or more properties and determine, based at least in part on the received data, whether the electrode is in contact with the patient's skin. The sensors can include temperature, impedance, capacitance, optical, and other similar sensors.

Abstract: Medical devices can perform a plurality of functions, such as sensing, monitoring, deriving and/or calculating various physiological statuses of a patient (e.g., blood pressure, temperature, respiration rate, etc.). Medical devices can also be used to image part or all of a patient's body, to deliver a treatment, or to manage information related to a patient's care. The present disclosure is directed at one or more devices that perform these functions using a plurality of processing circuits, wherein each processing circuit has a timing circuit with a local clock. These processing circuits can be connected via a network, and each timing circuit can communicate with at least one other timing circuit in order to detect and correct time-differences between their local clocks. In this way, multiple processing circuits can be synchronized with each other to facilitate diagnosis or treatment of a patient's condition, or other aspects of a patient's care.

Abstract: A flow sensor system for ventilation treatment comprises a flow conduit configured to allow gas flow between a first region and a second region, the flow conduit defining a lumen for the gas flow; a flow restrictor disposed within the lumen of the flow conduit between the first region and the second region; a first absolute pressure sensor disposed adjacent to the first region of the flow conduit and configured to measure a pressure of the gas flow at the first region of the flow conduit; and a second absolute pressure sensor disposed adjacent to the second region of the flow conduit and configured to measure pressure of the gas flow at the second region of the flow conduit.

Abstract: A system for assisting a rescuer in performing cardio-pulmonary resuscitation (CPR) on a patient includes: a proximity sensor configured to be positioned at a location corresponding to a location of a rescuer's hand when delivering compressions to a patient's chest, the proximity sensor configured to produce a signal indicative of the rescuer's hands being released from the patient's chest; a medical device operatively coupled with the proximity sensor and configured to provide resuscitative treatment to the patient; and a controller communicatively coupled with the medical device and the proximity sensor. The controller is configured to: determine, based upon the signal from the proximity sensor, if the rescuer's hands have been released from the patient's chest, and trigger an action by the medical device in response to a determination that the rescuer's hands have been released from the patient's chest.

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: Aspects of the present disclosure are directed toward systems, methods an apparatuses for hand off of clinical data during a medical event. Certain embodiments of the present disclosure include a first medical device configured to, during a first part of a medical event, monitor a patient and store clinical information and a second medical device. A second medical device may display at least some of the clinical information, modify operation of the second medical device, or store the clinical information.

Abstract: A community based response system for providing lay responders to cardiac arrest emergencies is configured to receive a notification of a cardiac arrest emergency including a location of a cardiac arrest victim, provide an automatic alert to portable devices in a vicinity of the victim, the automatic alert including a selectable control that enables user interoperation with the system, receive an indication from a lay responder, via a respective portable device, that the lay responder will proceed to the location of the victim, and in response to the indication that the lay responder will proceed to the location of the victim, provide at a display screen of the portable device associated with the lay responder a map including the victim's location relative to the lay responder, and a navigational route to guide the lay responder to the victim, and a dispatch text message notification.

Abstract: Among other things, we describe a system that includes a first medical device for treating a patient at an emergency care scene, the first medical device including a processor and a memory configured to detect a request for a connection between the first medical device and a second medical device for treating the patient at the emergency care scene, the request for connection including an identifier of the second medical device, responsive to receiving the request for connection, enabling a wireless communication channel to be established between the first medical device and the second medical device based on the identifier of the second medical device and an identifier of the first medical device; and enabling transmission and/or exchange of patient data between the first medical device and the second medical device via the wireless communication channel. Such communications with more than two devices may also be possible.

Abstract: An example of a system for post-case analysis of cardiopulmonary resuscitation (CPR) performance trends includes a ventilation metrics device with sensors configured to generate signals indicative of ventilation treatment data during a medical treatment of a patient, and a patient monitor/defibrillator configured to receive the signals, calculate the ventilation treatment data based on the received signals, and transmit the ventilation treatment data, and a remote computing device configured to communicatively couple with the treatment monitoring system and with an output display device, the computing device including at least one memory and at least one processor communicatively coupled to the memory, the at least one processor configured to receive treatment data from the treatment monitoring system, the treatment data including the ventilation treatment data, and provide case review information at a case review dashboard at the output device, the case review information including time trend plots of the ve

Abstract: A patient data charting system for automated data capture by an electronic patient care record (ePCR) generated during a patient encounter with emergency medical services (EMS) includes a local computing device including a processor, and a memory storing an ePCR including ePCR data fields, and a user interface device communicatively coupled to the local computing device and including a microphone and speaker, wherein the microphone may be configured to capture spoken patient encounter information, wherein the processor may be configured to receive the spoken patient encounter information as text information from a speech-to-text conversion application, determine at least one ePCR data field value based on the text information, populate at least one ePCR data field with the at least one ePCR data field value, generate caregiver prompts based on the at least one ePCR data field value, and provide the audible caregiver prompts to the caregiver via the speaker.

Abstract: Systems and methods related to the field of cardiac resuscitation, and in particular to devices for assisting rescuers in performing cardio-pulmonary resuscitation (CPR) are described herein. The system includes a chest compression device having force sensing capabilities, for providing feedback in enhancing the quality of acute care. The force sensor(s) may exhibit varying resolutions over different dynamic force ranges, for example, to provide information helpful to the resuscitative treatment. Chest compression devices that are able to sense force may be able to assist a system in providing accurate chest compression depth and rate information, as well as assess the amount of work exerted by one or more rescuers during the course of resuscitation.

Abstract: A wearable cardiac monitoring and treatment device for improved skin interface contact and easy assembly and disassembly includes a garment including an inner surface and an outer surface, ECG sensing electrodes, and at least one stiffener forming a section of the garment in proximity to one or more of the ECG sensing electrodes. The at least one stiffener is configured to resist rotation or pulling away of the one or more of the ECG sensing electrodes from a patient's torso. The device includes therapy electrodes, at least one separate module including a therapy delivery circuit, and a controller. The device includes compartments configured to receive the therapy electrodes and at least one separate module, and retention loops configured to route external wires extending between at least the therapy electrodes and at least one separate module, where the compartments and retention loops are disposed on the outer surface of the garment.

Abstract: Methods and systems that analyze electrocardiogram (ECG) data to identify whether it would be beneficial for a caregiver to administer an electric shock to the heart in an effort to get the heart back into a normal pattern and a consistent, strong beat. By conducting a running check for conditions that are pre-validated by a comprehensive patient database to have high predictive value (e.g., with a low false-positive rate), a shockable rhythm can be identified fast (e.g., less than 6 seconds, less than 3 seconds, possibly in less than a second) and without having to analyze ECG data for longer time segments than would otherwise be required using conventional methods.

Abstract: A mechanical chest compression system for performing cardiopulmonary resuscitation includes a resuscitation device and a controller operatively coupled to the resuscitation device. The resuscitation device includes a base, a contact portion configured to be in a superposed relation with an anterior surface of a patient when the patient is disposed on the base, and a force sensor configured to generate a force signal during compression and decompression of the anterior surface of the patient. In particular, the contact portion is movable relative to the base to provide compression and decompression to the anterior surface of the patient. The controller includes a processor configured to receive the force signal generated by the force sensor; estimate chest compliance relationship using the force signal; and generate instructions using the chest compliance relationship to drive the contact portion to provide compression and decompression to the anterior surface of the patient.

Abstract: A system for improving performance of chest compressions includes at least one mobile computing device, an accelerometer configured to measure a vertical displacement of a user's hands to determine information relating to rate and depth of chest compressions, and a processor; and a computer device configured to send information to and receive information from the mobile computing device(s). The system associates the information relating to the rate and depth of the chest compressions with the user; sends the information to the computer device; analyzes the information to determine a proficiency level of the user; compares the proficiency level of the user to a proficiency standard required to be certified in life saving activities; and provides an indication of whether the user of the mobile computing device is ready for certification if the proficiency level of the user meets the proficiency standard. Also, a method for certification is provided.

Abstract: An external defibrillator system for assisting manual delivery of chest compressions and ventilations to a patient by a rescuer as cardiopulmonary resuscitation (CPR) includes a speaker, and a processor, memory, and associated circuitry coupled to the speaker. The processor is configured to initiate prompting for the chest compressions and the ventilations manually delivered to the patient by the rescuer as CPR, control the speaker to generate first auditory cues for the chest compressions, and control the speaker to generate second auditory cues for the ventilations with a different sound than the first auditory cues for the chest compressions. The first auditory cues and the second auditory cues assist the rescuer in timing the delivery of the chest compressions and the ventilations.

Abstract: A medical device system for providing sensor data capture includes a medical device that may include one or more removably coupled sensor hubs and that includes a display to provide sensor data and at least one data interface (DI) port that may be a sensor-agnostic DI (SA-DI) port and a data transfer cable that may be compatible with the sensor-agnostic DI port and includes a first electromechanical connector configured to detachably couple to the SA-DI port and a second electromechanical connector configured to couple to the sensor and that includes a cable memory and processor configured to execute stored software to format sensor data according to a protocol of the SA-DI port, an authentication circuit, and a cable isolation device to limit patient leakage current flow from the medical device to the sensor and to electrically isolate the authentication circuit from the cable processor and the cable memory.