Multiple choice

Which technique employs the use of electrodes for recording the electrical activity of the heart?

  1. Echocardiography

  2. Electrocardiography

  3. EMG

  4. Pulse rate

  5. EEG
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

An electrocardiogram, also called an EKG or ECG is a simple test that detects and records the electrical activity of the heart. It is recorded using an active or exploring electrode and an indifferent electrode at zero potential or by using two active electrodes as in bipolar recording. It is also used in detecting functional abnormalities of heart like heart blocks, arrhythmias and myocardial infarction.

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