MICROANATOMY

Detailed explanation-1: -Answer and Explanation: Electrocardiography (ECG or EKG) is the recording of electrical changes occurring in the myocardium during the cardiac cycle.

Detailed explanation-2: -An electrocardiogram (ECG or EKG) is a recording of the heart’s electrical activity as a graph over a period of time, as detected by electrodes attached to the outer surface of the skin and recorded by a device external to the body. The graph can show the heart’s rate and rhythm.

Detailed explanation-3: -Also known as an electrocardiogram or an EKG, an ECG is a test that detects and records the strength and timing of the electrical activity in your heart. This information is recorded on a graph that shows each phase of the electrical signal as it travels through your heart.