Patent ID: 11938333
Assignee: WEST AFFUM HOLDINGS DAC
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 12:
13. A apparatus for use in a wearable cardioverter defibrillator (WCD), the WCD comprising a motion sensor, a processor, a discharge circuit, and an energy storage device with stored electrical charge, the motion sensor configured to output one or more signals indicative of an acceleration of an ambulatory patient in a vertical direction while the ambulatory patient is wearing the WCD, the apparatus comprising:
means for receiving the one or more signals from the motion sensor;
means for receiving the ECG signal;
means for determining from the ECG signal whether a shock criterion is met;
means, responsive to the shock criterion being met, for performing one or more tests on the one or more signals received from the motion sensor to determine if the patient is walking or running, wherein at least one of the one or more tests being based on a parameter derived from the patient's acceleration in the vertical direction;
means, responsive to a determination that the patient is not walking or running, for causing the discharge circuit to discharge the stored electrical charge; and
means, responsive to a determination that the patient is walking or running, for inhibiting the discharge circuit from discharging the stored electrical charge.