Abstract: A wearable defibrillator is configured to be ambulatory and move with a patient and further configured to receive and provide custom prompts. The wearable defibrillator includes a garment, sensing electrodes configured to sense the patient's ECG, therapy electrodes configured to deliver therapeutic defibrillating shocks to the patient, and an external medical device controller electrically connected to the sensing electrodes and therapy electrodes. The external medical device controller includes a data storage and at least one processor configured to perform a series of instructions that, when executed by the at least one processor, cause the at least one processor to receive one or more custom prompts from a health care professional for a physical activity test, cause the at least one processor to administer the physical activity test to the patient and communicate the one or more custom prompts to the patient during the physical activity test.

Abstract: According to at least one aspect, a wearable cardiac device is provided. The wearable cardiac device includes a garment worn about a torso of a patient, at least one sensing electrode to monitor cardiac activity of the patient, and a controller including a plurality of separate and distinct modules distributed about and/or integrated into the garment. The plurality of separate and distinct modules includes, for example, an operations module coupled to the at least one sensing electrode and configured to detect at least one cardiac condition of the patient and/or a communications module coupled to the operations module to communicate with an external device. In some examples, the wearable cardiac device may be configured as a treatment device and include an energy storage module coupled to at least one therapy electrode and configured to store energy for at least one therapeutic shock to be applied to the patient.

Abstract: An external medical device is provided. The external medical device includes a memory and circuitry, in communication with the memory, to receive input specifying at least in part at least one prompt relating to a health survey for a patient, the at least one prompt being customized based on the patient; convert the at least one prompt to an audio representation; and perform the health survey by at least delivering to the patient the audio representation.

Abstract: In at least one example, a medical device is provided. The medical device includes at least one therapy electrode, at least one electrocardiogram (ECG) electrode, at least one acoustic sensor, and at least one processor coupled with the at least one acoustic sensor, the at least one ECG electrode, and the at least one therapy electrode. The at least one processor can receive at least one acoustic signal from the at least one acoustic sensor, receive at least one electrode signal from the ECG electrode, detect at least one unverified cardiopulmonary anomaly using the at least one electrode signal, and verify the at least one unverified cardiopulmonary anomaly with reference to data descriptive of the at least one acoustic signal.

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: An external wearable defibrillator for monitoring a patient for cardiac-related events is provided. The defibrillator includes ECG sensors configured to be disposed about a torso of the patient, therapy electrodes, and at least one motion sensor. The ECG sensors, therapy electrodes, and at least one motion sensor are configured to be worn continuously for an extended period of time. The defibrillator includes a wearable medical device controller including at least one processor configured to receive ECG data, receive motion data, identify at least one of ventricular tachycardia or ventricular fibrillation, initiate a treatment protocol including a defibrillation shock, and, using at least one of the ECG data or the motion data, identify a predetermined pattern for syncope. The predetermined pattern includes bradycardia. The at least one processor is further configured to record the predetermined pattern in a memory and perform an intervening action to address the predetermined pattern.

Abstract: In at least one example, a medical device is provided. The medical device includes at least one therapy electrode, at least one electrocardiogram (ECG) electrode, at least one acoustic sensor, and at least one processor coupled with the at least one acoustic sensor, the at least one ECG electrode, and the at least one therapy electrode. The at least one processor can receive at least one acoustic signal from the at least one acoustic sensor, receive at least one electrode signal from the ECG electrode, detect at least one unverified cardiopulmonary anomaly using the at least one electrode signal, and verify the at least one unverified cardiopulmonary anomaly with reference to data descriptive of the at least one acoustic signal.

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: In at least one example, a medical device is provided. The medical device includes at least one therapy electrode, at least one acoustic sensor, and at least one processor coupled with the at least one therapy electrode and the at least one acoustic sensor. The at least one processor is configured to deliver at least one pacing pulse via the at least one therapy electrode and to analyze processed acoustic data to determine whether the at least one pacing pulse resulted in capture.

Abstract: An electrode patch for use with an external medical device, the electrode patch comprising: a first surface configured to be attached to a skin of a patient monitored by the external medical device, and an indicating mechanism disposed on the electrode patch and configured to indicate an end of a predetermined lifespan of the electrode patch.

Abstract: An external wearable defibrillator for monitoring a patient for cardiac-related events is provided. The defibrillator includes ECG sensors configured to be disposed about a torso of the patient, therapy electrodes, and at least one motion sensor. The ECG sensors, therapy electrodes, and at least one motion sensor are configured to be worn continuously for an extended period of time. The defibrillator includes a wearable medical device controller including at least one processor configured to receive ECG data, receive motion data, identify at least one of ventricular tachycardia or ventricular fibrillation, initiate a treatment protocol including a defibrillation shock, and, using at least one of the ECG data or the motion data, identify a predetermined pattern for syncope. The predetermined pattern includes bradycardia. The at least one processor is further configured to record the predetermined pattern in a memory and perform an intervening action to address the predetermined pattern.

Abstract: A system and method for medical premonitory event estimation includes one or more processors to perform operations comprising: acquiring a first set of physiological information of a subject, and a second set of physiological information of the subject received during a second period of time; calculating first and second risk scores associated with estimating a risk of a potential cardiac arrhythmia event for the subject based on applying the first and second sets of physiological information to one or more machine learning classifier models, providing at least the first and second risk scores associated with the potential cardiac arrhythmia event as a time changing series of risk scores, and classifying the first and second risk scores associated with estimating the risk of the potential cardiac arrhythmia event for the subject based on the one or more thresholds.

Abstract: An external wearable medical device includes a plurality of electrocardiogram (ECG) sensors, at least one accelerometer configured to be disposed on a patient, and at least one processor operatively coupled plurality of ECG sensors and the at least one accelerometer. The at least one processor is configured to receive an ECG signal from the plurality of ECG sensors, receive patient activity data from the at least one accelerometer, and detect, based on the patient activity data from the at least one accelerometer, data indicative of an impending syncope event. The at least one processor is configured to issue a notification of the impending syncope event, and store in a memory during a first time period data comprising the ECG signal in association with information descriptive of impending syncope event, and transmit to a remote server during a second time period the stored data for analysis at the remote server.

Abstract: In at least one example, a medical device is provided. The medical device includes at least one therapy electrode, at least one acoustic sensor, and at least one processor coupled with the at least one therapy electrode and the at least one acoustic sensor. The at least one processor is configured to deliver at least one pacing pulse via the at least one therapy electrode and to analyze processed acoustic data to determine whether the at least one pacing pulse resulted in capture.

Abstract: In at least one example, a medical device is provided. The medical device includes at least one therapy electrode, at least one electrocardiogram (ECG) electrode, at least one acoustic sensor, and at least one processor coupled with the at least one acoustic sensor, the at least one ECG electrode, and the at least one therapy electrode. The at least one processor can receive at least one acoustic signal from the at least one acoustic sensor, receive at least one electrode signal from the ECG electrode, detect at least one unverified cardiopulmonary anomaly using the at least one electrode signal, and verify the at least one unverified cardiopulmonary anomaly with reference to data descriptive of the at least one acoustic signal.

Abstract: An electrode patch for use with an external medical device, the electrode patch comprising: a first surface configured to be attached to a skin of a patient monitored by the external medical device, and an indicating mechanism disposed on the electrode patch and configured to indicate an end of a predetermined lifespan of the electrode patch.

Abstract: In at least one example, a medical device is provided. The medical device includes at least one therapy electrode, at least one acoustic sensor, and at least one processor coupled with the at least one therapy electrode and the at least one acoustic sensor. The at least one processor is configured to deliver at least one pacing pulse via the at least one therapy electrode and to analyze processed acoustic data to determine whether the at least one pacing pulse resulted in capture.

Abstract: In at least one example, a medical device is provided. The medical device includes at least one therapy electrode, at least one electrocardiogram (ECG) electrode, at least one acoustic sensor, and at least one processor coupled with the at least one acoustic sensor, the at least one ECG electrode, and the at least one therapy electrode. The at least one processor can receive at least one acoustic signal from the at least one acoustic sensor, receive at least one electrode signal from the ECG electrode, detect at least one unverified cardiopulmonary anomaly using the at least one electrode signal, and verify the at least one unverified cardiopulmonary anomaly with reference to data descriptive of the at least one acoustic signal.

Abstract: A method of controlling discomfort of a patient during external pacing by an external medical device includes detecting a cardiac condition of the patient; receiving, via a user interface, discomfort information descriptive of the discomfort experienced by the patient; determining from the discomfort information whether the patient is conscious or unconscious; responsive to determining from the discomfort information that the patient is unconscious, executing, via at least one therapy electrode disposed on the patient, at least one pacing routine, the at least one pacing routine being associated with the cardiac condition; and responsive to determining from the discomfort information that the patient is conscious, adjusting at least one characteristic of the at least one pacing routine.

Abstract: An electrode patch for use with an external medical device, the electrode patch comprising: a first surface configured to be attached to a skin of a patient monitored by the external medical device, and an indicating mechanism disposed on the electrode patch and configured to indicate an end of a predetermined lifespan of the electrode patch.