What is the cardiac cycle comprised of in an ECG?

What is the cardiac cycle comprised of in an ECG?
  1. P-wave and QRS complex
  2. QRS complex and T-wave
  3. P-wave, QRS complex and T-wave
  4. P-wave and T-wave

Solution

The ECG is a graphical representation of the electrical activity of the heart during a cardiac cycle and is comprised of the P-wave, QRS complex and T-wave.

Asked in: NCERT

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