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 medical treatment device for monitoring a patient's ECG and treating a cardiac condition is disclosed. The device includes a patient vest portion having cardiac sensing electrodes to obtain an ECG signal of a patient, therapy electrodes for external placement proximate to skin of the patient for delivering electrotherapy to treat the cardiac condition, and, a monitor coupled to the cardiac sensing electrodes and the therapy electrodes via at least one cable. The monitor includes a system computer disposed in the monitor. The system computer is configured to receive the ECG signals of the patient and to execute at least one arrhythmia detection algorithm to determine whether the patient is experiencing a cardiac condition in need of treatment, and a mechanical shock detector disposed on the monitor and configured to detect at least one of a force or acceleration indicative of a mechanical shock to the monitor.

Abstract: A cardiac monitoring system includes cardiac sensing electrodes for external placement proximate to the patient to sense ECG signals of the patient; one or more accelerometers configured to generate patient activity data based on signals corresponding to changes in the patient's body position and movement; and a monitoring computer configured to correlate the ECG signals of the patient with the patient activity data generated from the one or more accelerometers to determine ECG signal contamination, analyze the ECG signals of the patient to extract at least heart rate data of the patient and detect a cardiac arrhythmia based at least in part on the heart rate data, and change a confidence in the detected cardiac arrhythmia based on the determined ECG signal contamination; wherein at least the patient activity data and the heart rate data are analyzed to determine a change in a physiological condition of the patient over time.

Abstract: A method of determining responsiveness of a patient wearing a wearable defibrillator configured to deliver therapy to the patient includes sensing an electrocardiogram signal of the patient wearing the wearable defibrillator via a plurality of ECG sensing electrodes, and determining whether a defibrillation treatment should be provided to the patient via at least one treatment electrode. The method includes causing a user interface to provide a patient prompt from the wearable defibrillator responsive to determining that the defibrillation treatment should be provided to the patient. The method includes receiving a first signal indicative of a first patient response within a time interval, receiving a second signal indicative of a second patient response within the time interval, and withholding the defibrillation treatment to the patient via the at least one treatment electrode in response to receiving both the first signal and the second signal within the time interval.

Abstract: A wearable defibrillator includes a plurality of ECG electrodes configured to be removably attached to a patient and sense ECG information of the patient, and at least one therapy pad configured to deliver electrical therapy to the patient. The wearable defibrillator includes at least one audio device including a microphone configured to receive an audio input and an audio output device configured to provide an audio output. At least one processor of the wearable defibrillator is operatively connected to the plurality of ECG electrodes, the at least one therapy pad, a memory, and the at least one audio device. The at least one processor is configured to in a set up phase, receive by the microphone and store in the memory, the audio input comprising a voice recording, and cause the audio output device to provide the audio output by to playing back the voice recording to the patient.

Abstract: A medical device is disclosed that includes one or more treatment electrodes, one or more sensors, and one or more controllers connected to the one or more treatment electrodes and one or more sensors. The medical device also includes one or more response mechanisms connected to the one or more controllers. The one or more controllers are configured to receive input from the one or more response mechanism and are also configured to determine whether a patient wearing the medical device actuated the one or more response mechanisms based, at least in part, on the input received from the one or more response mechanisms. In some disclosed embodiments, the medical device is a wearable defibrillator.

Abstract: A wearable defibrillator includes a plurality of ECG electrodes removably attached to a patient and configured to sense a cardiac condition of the patient, and at least one therapy pad configured to deliver electrical therapy to the patient. The wearable defibrillator may include a microphone configured to receive an audio input and sense environmental noise and a speaker configured to output one or more alarms signaling that treatment is about to be provided to the patient. At least one processor of the wearable defibrillator is operatively connected to the plurality of ECG electrodes, the at least one therapy pad, a memory, and the at least one audio device. The at least one processor is configured to monitor the sensed cardiac condition and increase a volume of the one or more alarms when the microphone senses from the environmental noise that the wearable defibrillator is in a high noise environment.

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 medical device is disclosed that includes one or more treatment electrodes, one or more sensors, and one or more controllers connected to the one or more treatment electrodes and one or more sensors. The medical device also includes one or more response mechanisms connected to the one or more controllers. The one or more controllers are configured to receive input from the one or more response mechanism and are also configured to determine whether a patient wearing the medical device actuated the one or more response mechanisms based, at least in part, on the input received from the one or more response mechanisms. In some disclosed embodiments, the medical device is a wearable defibrillator.

Abstract: A wearable monitoring device includes a plurality of cardiac sensing electrodes, a monitor, at least one motion sensor, and a controller. The plurality of cardiac sensing electrodes are positioned outside a body of a subject and to detect cardiac information of the subject. The monitor administers a predetermined test to the subject, and has a user interface configured to receive quality of life information from the subject. The at least one motion sensor is positioned outside the body of the subject and to detect subject motion during the predetermined test. The controller is communicatively coupled to the plurality of cardiac sensing electrodes, the monitor, and the at least one motion sensor, and receives and stores the detected cardiac information, the quality of life information, and the detected subject motion.

Abstract: A wearable medical device includes an electrode assembly having a plurality of ECG sensing electrodes configured to monitor a cardiac condition of a patient using the device, a call button to initiate a call with a remote location and a transceiver configured to communicate information to and from the wearable medical device. The device includes a memory and a controller having at least one processor configured to execute instructions stored in the memory. The instructions include receiving, via actuation of the call button, a request to initiate a communication link with the remote location, providing, via a user interface, a confirmatory prompt that the patient indicate confirmation to proceed with the request to initiate the communication link with the remote location, and initiating, via the transceiver, the communication link to the remote location responsive to the indication of the confirmation to proceed with the request to initiate the communication link.

Abstract: A wearable defibrillator includes a plurality of ECG electrodes removably attached to a patient and configured to sense a cardiac condition of the patient, and at least one therapy pad configured to deliver electrical therapy to the patient. The wearable defibrillator may include a microphone configured to receive an audio input and sense environmental noise and a speaker configured to output one or more alarms signaling that treatment is about to be provided to the patient. At least one processor of the wearable defibrillator is operatively connected to the plurality of ECG electrodes, the at least one therapy pad, a memory, and the at least one audio device. The at least one processor is configured to monitor the sensed cardiac condition and increase a volume of the one or more alarms when the microphone senses from the environmental noise that the wearable defibrillator is in a high noise environment.

Abstract: An ambulatory medical device capable of delivering therapy to a patient includes at least one response mechanism having a state capable of being activated by one response button; a controller operatively connected with the at least one response mechanism, the controller including at least one processor coupled with a memory; and a therapy manager component executable by the controller and configured to detect a physiological parameter having a value indicative of a health disorder of the patient, notify the patient of impending therapy delivery in response to the detection of the physiological parameter, monitor the state of each at least one response mechanism within at least one predetermined time period, and delay therapy delivery to the patient in response to detection of a change in the state in a single response mechanism of the at least one response mechanism within the at least one predetermined time period.

Abstract: A wearable device and method of monitoring the condition of a patient. The wearable device includes at least one sensor and at least one processor operatively connected to the at least one sensor. The wearable device also includes an operator interface device operatively connected to the at least one processor. The at least one processor causes the device to allow for customization of at least one output message to be delivered via the operator interface device.

Abstract: A wearable device and method of monitoring the condition of a patient. The wearable device includes at least one sensor and at least one processor operatively connected to the at least one sensor. The wearable device also includes an operator interface device operatively connected to the at least one processor. The at least one processor causes the device to allow for customization of at least one output message to be delivered via the operator interface device.

Abstract: An ambulatory medical device capable of delivering therapy to a patient includes at least one response mechanism having a state capable of being activated by one response button; a controller operatively connected with the at least one response mechanism, the controller including at least one processor coupled with a memory; and a therapy manager component executable by the controller and configured to detect a physiological parameter having a value indicative of a health disorder of the patient, notify the patient of impending therapy delivery in response to the detection of the physiological parameter, monitor the state of each at least one response mechanism within at least one predetermined time period, and delay therapy delivery to the patient in response to detection of a change in the state in a single response mechanism of the at least one response mechanism within the at least one predetermined time period.

Abstract: A cardiac monitoring system includes cardiac sensing electrodes for external placement proximate to the patient to sense ECG signals of the patient; one or more accelerometers configured to generate patient activity data based on signals corresponding to changes in the patient's body position and movement; and a monitoring computer configured to correlate the ECG signals of the patient with the patient activity data generated from the one or more accelerometers to determine ECG signal contamination, analyze the ECG signals of the patient to extract at least heart rate data of the patient and detect a cardiac arrhythmia based at least in part on the heart rate data, and change a confidence in the detected cardiac arrhythmia based on the determined ECG signal contamination; wherein at least the patient activity data and the heart rate data are analyzed to determine a change in a physiological condition of the patient over time.

Abstract: A wearable monitoring device includes a plurality of cardiac sensing electrodes, a monitor, at least one motion sensor, and a controller. The plurality of cardiac sensing electrodes are positioned outside a body of a subject and to detect cardiac information of the subject. The monitor administers a predetermined test to the subject, and has a user interface configured to receive quality of life information from the subject. The at least one motion sensor is positioned outside the body of the subject and to detect subject motion during the predetermined test. The controller is communicatively coupled to the plurality of cardiac sensing electrodes, the monitor, and the at least one motion sensor, and receives and stores the detected cardiac information, the quality of life information, and the detected subject motion.

Abstract: An ambulatory medical device capable of delivering therapy to a patient includes at least one response mechanism having a state capable of being activated by one response button; a controller operatively connected with the at least one response mechanism, the controller including at least one processor coupled with a memory; and a therapy manager component executable by the controller and configured to detect a physiological parameter having a value indicative of a health disorder of the patient, notify the patient of impending therapy delivery in response to the detection of the physiological parameter, monitor the state of each at least one response mechanism within at least one predetermined time period, and delay therapy delivery to the patient in response to detection of a change in the state in a single response mechanism of the at least one response mechanism within the at least one predetermined time period.

Abstract: A wearable monitoring device includes a plurality of cardiac sensing electrodes, a monitor, at least one motion sensor, and a controller. The plurality of cardiac sensing electrodes are positioned outside a body of a subject and to detect cardiac information of the subject. The monitor administers a predetermined test to the subject, and has a user interface configured to receive quality of life information from the subject. The at least one motion sensor is positioned outside the body of the subject and to detect subject motion during the predetermined test. The controller is communicatively coupled to the plurality of cardiac sensing electrodes, the monitor, and the at least one motion sensor, and receives and stores the detected cardiac information, the quality of life information, and the detected subject motion. The controller further communicates the stored detected subject motion and the quality of life information to a remote computer.