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: A remote alarm for use with a wearable medical device. The remote alarm is configured to receive alarms, voice messages and prompts issued by the wearable medical device and to repeat those alarms, voice messages and prompts in a manner that can more easily be perceived by a patient wearing the wearable medical device or a bystander. The remote alarm can be configured to receive a communication from the wearable medical device, and in response, to identify one or more messages to be provided to the patient or a bystander. The messages may be provided audibly, visually, tactilely or combinations thereof. The remote alarm may further be configured to take certain actions depending upon the content of the communication, such as sending a telephone message to alert emergency personnel to the identity, location and medical condition of the patient, or sending an email.

Abstract: A wearable medical device includes a waterproof harness, a plurality of ECG sensing electrodes configured to detect a patient's ECG, and a plurality of therapy electrodes configured to provide at least one biphasic shock to the patient. The device includes a control unit in electronic communication with the ECG sensing electrodes and therapy electrodes and configured to monitor the sensed ECG and, in response to detecting a cardiac arrhythmia, provide the biphasic shock(s). The control unit is comprised within a waterproof case. The device includes a water-resistant or waterproof connection pod that is configured to electrically couple the ECG sensing electrodes, therapy electrodes, and control unit. The connection pod provides the sensed ECG signal to the control unit and the biphasic shock current to the therapy electrodes. The device includes a user interface device in electronic communication with the control unit that includes at least one patient responsiveness button.

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: A wearable ambulatory external defibrillator system includes a garment configured to be worn by a patient and including electrocardiogram (ECG) sensing electrodes integrated into the garment, therapy delivery electrodes configured to deliver a therapy, and a wearable medical device controller including at least one processor. The at least one processor is configured to issue a first instance of an alarm in response to an indication of a cardiac abnormality and/or an event concerning one or more components of the system. The first instance of the alarm includes a visual alarm. The at least one processor is further configured to determine that no response to the first instance of the alarm was received within a target response time, adapt at least one characteristic of the alarm, and issue a second instance of the alarm having the at least one adapted characteristic. The second instance of the alarm includes an auditory alarm.

Abstract: A system for providing patient information collected by a medical device includes a first display device separate from and communicatively coupled to only one patient monitoring device via a wireless connection. The patient monitoring device includes a second display device configured to display the patient information gathered by the patient monitoring device during use to treat and/or monitor the patient. The first display device is configured to receive the patient information from the patient monitoring device in real-time via the wireless connection, provide a first data view of the patient information that includes information displayed in real-time by the patient monitoring device at the second display device, and provide a second data view according to a user-selected display mode for the patient information. A graphical user interface at the first display device enables a user to toggle between the first data view and the second data view.

Abstract: A system for providing role-based data feeds for a plurality of patient caregivers includes a portable central device and a patient data display screen. The central device is configured to obtain the medical data via one or more sensors and/or electrodes configured to couple to the patient and provide the medical data to mobile devices, optionally as multiple role-based data feeds. The central device may include software and hardware configured to feed the medical data to the mobile devices via multiple role-based data feeds. The patient data display screen is configured to display the medical data. Each mobile device may identify an associated type of medical data by displaying a screen enabling a caregiver to select the associated type of medical data based on their role, or may receive a respective role-based data feed from the central device. Each mobile device is configured to display the received medical data.

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 wearable monitoring and therapeutic device includes at least two sensing electrodes. Each sensing electrode includes a metallic surface integrated in a garment. The device includes at least two therapy electrodes. Each of the at least two therapy electrodes includes a receptacle, and each receptacle includes at least one dose of conductive fluid. The device includes the garment. The garment includes a fabric that is stretchable and that is breathable and/or moisture wicking, and conductive wiring configured to at least partially electrically connect that at least two sensing electrodes to at least one defibrillator component. The device includes the at least one defibrillator component. The at least two therapy electrodes are configured to provide an electric shock to the subject. Prior to the application of the electric shock, each receptacle is configured to release the conductive fluid from the receptacle.

Abstract: An ambulatory medical device comprises: a sensing component to be disposed on a patient for detecting a physiological signal of the patient; and monitoring and self-test circuitry configured for detecting a triggering event and initiating one or more self-tests based on detection of the triggering event. The ambulatory medical device senses the physiological signal of the patient substantially continuously over an extended period of time.

Abstract: An ambulatory medical device includes a sensor configured to acquire a signal indicative of a physiological condition of a patient, a controller operatively coupled to the sensor and configured to monitor the physiological signal, and to perform a diagnostic test, and a remote access manager operatively coupled to the controller and configured to monitor for a command from a remote system to perform the diagnostic test, and to cause the controller to perform the diagnostic test in response to the command. In the device, the remote access manager may be further configured to transmit data representing an operational status of the ambulatory medical device to the remote system. The operational status of the controller may result from performing the diagnostic test. The remote access manager may be further configured to send the data representing the operational status of the ambulatory medical device in real time or substantially in real time.

Abstract: A remote alarm for use with a wearable medical device. The remote alarm is configured to receive alarms, voice messages and prompts issued by the wearable medical device and to repeat those alarms, voice messages and prompts in a manner that can more easily be perceived by a patient wearing the wearable medical device or a bystander. The remote alarm can be configured to receive a communication from the wearable medical device, and in response, to identify one or more messages to be provided to the patient or a bystander. The messages may be provided audibly, visually, tactilely or combinations thereof. The remote alarm may further be configured to take certain actions depending upon the content of the communication, such as sending a telephone message to alert emergency personnel to the identity, location and medical condition of the patient, or sending an email.

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 wearable defibrillator for monitoring treatable arrhythmias in a patient in the presence of background noise includes a plurality of sensing electrodes configured to generate ECG data, one or more therapy pads, one or more audio devices, and one or more processors. The one or more audio devices include a microphone configured to detect background noise and a speaker. The one or more processors are configured to determine, from at least the ECG data, whether the patient is experiencing a treatable arrhythmia; cause, via the speaker, an audible alarm in response to determining that the patient is experiencing the treatable arrhythmia; delay a delivery of treatment to the patient in response to determining that at least the predetermined level of background noise exists; and during the delay, perform at least one of obtaining additional data or running an additional test to verify that the patient is experiencing the treatable arrhythmia.

Abstract: A wearable medical device includes a water-resistant harness, and a plurality of ECG sensing electrodes and a plurality of therapy electrodes disposed on the harness. The plurality of therapy electrodes are configured to provide at least one defibrillating biphasic shock. The device includes a control unit comprised within a waterproof case. The control unit is configured to monitor ECG information of the patient based on a sensed ECG signal, and responsive to detection of a cardiac arrhythmia, provide the at least one defibrillating biphasic shock. The device includes a water-resistant or waterproof connection pod configured to electrically couple to the plurality of ECG sensing electrodes, the plurality of therapy electrodes, and the control unit, and to provide the sensed ECG signal from the plurality of ECG sensing electrodes to the control unit and the at least one defibrillating biphasic shock from the control unit to the plurality of therapy electrodes.

Abstract: An ambulatory medical device is provided. The ambulatory medical device includes at least one sensor configured to acquire sensor data descriptive of patient motion and at least one processor coupled to the at least one sensor. The at least one processor is configured to detect the patient motion from the sensor data, and to classify the patient motion.

Abstract: A wearable defibrillator includes garment configured to be worn by a patient, treatment electrodes configured to apply 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 a lack of motion of the 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, cause administration of the electric current to be delayed or cancelled if the response input is received and motion of the patient is detected, and cause administration of the electric current to be delivered if no response input from the patient is received and a lack of motion is detected.

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 wearable arrhythmia monitoring and treatment device for improving confidence in determined arrhythmias prior to treatment includes a plurality of sensing electrodes, one or more therapy electrodes, and an electrode signal acquisition circuit having a plurality of inputs. The electrode signal acquisition circuit is configured to sense a respective signal provided by each of a plurality of different pairings of the plurality of sensing electrodes. The wearable arrhythmia monitoring and treatment device includes a monitoring and detection circuit including at least one processor configured to analyze the respective signals provided by each of the plurality of different pairings of the plurality of sensing electrodes, change a confidence level in a determined arrhythmia condition based on the respective signals provided by the plurality of different pairings of the plurality of sensing electrodes, and initiate a therapy to the patient via the one or more therapy electrodes based on the confidence level.