US Patent 11633613 Compact AED with external electrocardiogram

A compact automated external defibrillator (AED) is a device configured to receive electrocardiogram signals while the AED's electrode pads are in airtight storage. A surface of the device has a first electrical connection and a second electrical connection to a circuit board, each at a separate defined location on the surface. The circuit board receives ECG signals from a patient when the first defined location and the second defined location on the surface of the device body are put in contact with the patient. The circuit board may be configured to sense ECG signals from the patient through a plurality of additional defined locations on the surface of the device.