Question

Electrocardiogram (EKG)

a) A recording of the electricity flowing through the brain.
b) Pulses of ultrasound are used to show the structure and movement of the heart.
c) A recording of the electricity flowing through the heart.
d) Pulses of ultrasound are used to show the structure of the brain.

Answer 1

An electrocardiogram (ECG or EKG) is a recording of the electricity flowing through the heart. It is a diagnostic tool used to detect irregular heart function.

Step-by-step explanation:

An electrocardiogram (ECG or EKG) is a recording of the electricity flowing through the heart. It is a diagnostic tool used to detect irregular heart function. The ECG uses surface electrodes on the body to measure the electrical impulses produced by the heart's activity.