A wearable therapeutic device to facilitate care of a subject is provided. The wearable therapeutic device can include a garment having a sensing electrode. The garment includes at least one of an inductive element and a capacitive element, and a controller identifies an inductance of the inductive element or a capacitance of the capacitive element, and determines a confidence level of information received from the sensing electrode based on the inductance or the capacitance. The wearable therapeutic device also includes an alarm module coupled with the controller and configured to provide a notification to a subject based on the confidence level.

Systems and methods related to the field of cardiac resuscitation, and in particular to devices for assisting rescuers in performing cardio-pulmonary resuscitation (CPR).

Implantable medical systems enter an exposure mode of operation, either manually via a down linked programming instruction or by automatic detection by the implantable system of exposure to a magnetic disturbance. A controller then determines the appropriate exposure mode by considering various pieces of information including the device type including whether the device has defibrillation capability, pre-exposure mode of therapy including which chambers have been paced, and pre-exposure cardiac activity that is either intrinsic or paced rates. Additional considerations may include determining whether a sensed rate during the exposure mode is physiologic or artificially produced by the magnetic disturbance. When the sensed rate is physiologic, then the controller uses the sensed rate to trigger pacing and otherwise uses asynchronous pacing at a fixed rate.

An automated external defibrillator (AED) and AED Monitoring system made up of an AED, the AED having a self-diagnostic subroutine and performing said subroutine at regular intervals, the AED having at least an audio indicator that indicates the results of the self-diagnostic when the diagnosis is that the AED is in need of maintenance and a remote AED monitoring system, the AED monitoring system having an electromagnetic coil, microphone, battery, microprocessor, and wireless communication device, wherein the microprocessor selectively powers up the AED monitoring system prior to the AED's self-diagnostic subroutine and utilizes the electromagnetic coil and microphone to monitor for the AED's audio indicator that the AED is in need of maintenance, and the microprocessor transmitting a wireless signal through the wireless communication device indicating whether the AED is in need of maintenance; the microprocessor selectively powering down the AED monitoring system after transmitting the wireless signal.

Embodiments describe herein generally pertain to implantable medical device (IMDs), and methods for use therewith, that can be used to automatically switch an IMD from its normal operational mode to an MRI safe mode, and vice versa, within increased specificity. In certain embodiments, a controller of the IMD uses a magnetic field sensor to determine whether a first magnetic field condition is detected, and uses an accelerometer to determine whether a positional condition is detected. In response to the first magnetic field condition being detected, and the positional condition being detected, the controller can use the magnetic field sensor to determine whether a second magnetic field condition is detected, which differs from the first magnetic field condition. The controller can then cause the IMD to enter the MRI safe mode based at least in part on the first and second magnetic field conditions and the positional condition being detected.

The invention relates to a stimulation device for electrotherapy, in particular a defibrillator device and/or external pacemaker device, comprising at least two contact electrodes, which can be applied to the body of a patient at suitable stimulation positions and by means of which current pulses can be applied to the body of the patient, the first of the at least two contact electrodes acting as a charging electrode having positive polarity, and the second of the at least two contact electrodes acting as a discharging electrode having negative polarity with respect to an emitted current pulse, and with a current pulse generator, which is or can be connected to the contact electrodes by means of line connections. The invention further relates to a method for determining the polarity of contact electrodes applied to the body of a patient.

A variety of electrode pad cartridges are described that are suitable for use with a defibrillator. In one aspect the cartridge includes a housing, a tray that carries one or more defibrillation electrode pads and a presence sensor. The presence sensor configured to detect the presence of the tray at a home position. In some embodiments, the AED is configured to be activated when the tray is pulled from the home position.

A modular waterproof therapeutic electrode component for preventing water ingress and for easy servicing. The component comprises a substrate comprising a conductive surface, a reservoir of conductive fluid mounted on the substrate, a reusable waterproof enclosure comprising circuitry, the reusable waterproof enclosure comprising circuitry configured to be removably coupled to the substrate, and a fluid deployment device in electrical communication with the circuitry and mounted on the substrate, the fluid deployment device configured to cause the reservoir to release the conductive fluid onto the conductive surface to reduce electrical impedance between the conductive surface and skin of a subject.

Methods, devices and program products are provided and include memory to store a baseline task handling (TH) pattern and TH circuitry including one or more processors. The TH circuitry is configured to perform tasks associated with one or more of collecting one or more CA signals or environmental event signals. The TH circuitry analyzes the one or more CA signals or environmental event signals, delivers therapy, detects communications requests, or maintains communications sessions with an external device. The IMD monitors a TH characteristic in connection with the performing the tasks, compares the TH characteristic to the baseline TH pattern and implements a corrective action in response to the compare of the TH characteristic and the baseline TH pattern.

A defibrillator such as an automated external defibrillator (AED) includes a manual override feature which enables the AED to reduce the power consumption and owner annoyance after a self-testing fault. The AED, upon sensing a press of a manual override button or a receipt of an acknowledgement signal from a remote service provider, defers one or both of an alarm output and a subsequent self-test for a predetermined correction period. The deferral allows the user to correct the self-test fault during the correction period without further annoyance.