試題詳解

23. Atrial enlargement involves the expansion of the heart's atrial chambers, often due to conditions like hypertension or heart valve issues. Which of the following statements about the surface electrocardiogram (ECG) findings in Lead II for atrial enlargement is incorrect? 

(A) The ECG criteria for left atrial enlargement (LAE) displays Lead II

(B)The ECG criteria for right atrial enlargement (RAE) displays Lead II

(C) In cases of atrial enlargement, the QRS complex in Lead II is significantly widened.
(D) The presence of atrial enlargement can lead to a deviation in the axis of the P- wave in Lead II.
(E) The sinus node rhythm remains normal.