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ECG records

  1. A
    Rate of heartbeats
  2. B
    Shape of Heart
  3. C
    Ventricular concentration
  4. D
    Volume of blood pumped

Solution & Step-by-step Explanation

An electrocardiogram (ECG) measures and records the electrical impulses that coordinate the contractions of the heart muscles. By mapping these signals over time, it provides an accurate record of the rate and rhythm of the heartbeats.

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ECG records
A
Rate of heartbeats
B
Shape of Heart
C
Ventricular concentration
D
Volume of blood pumped

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