When the sinoatrial node begins the electrical impulse, which of the following waves is created on the grid as both the right and left atria are depolarized?
A) R wave
B) Q wave
C) P wave
D) S wave

Question

Quizplus · Accepted Answer

The P wave on an electrocardiogram (ECG) represents the depolarization of the atria, which occurs when the sinoatrial node initiates the electrical impulse. This leads to the contraction of both the right and left atria.

When the Sinoatrial Node Begins the Electrical Impulse, Which of the Following