試題詳解

22. Electrocardiogram, abbreviated as ECG or EKG, is a biological test used to convert the activities of the heart into electrical signals, including P wave, QRS complex, and T wave. . Which part of the ECG represents the beginning of ventricle repolarization?
(A) P wave
(B) Interval between P wave and QRS complex
(C) QRS complex
(D) XInterval between QRS complex to T wave
(E) T wave