The most common ECG finding in the setting of a pulmonary embolism is sinus tachycardia. However, the “S1Q3T3” pattern of acute cor pulmonale is classic; this is termed the McGinn-White Sign.

Reciprocal ST segment depression in the inferior leads (II, III and aVF). According to the ... include the loss of anterior forces, leaving Q waves in leads V1 and V2. This is a cause of poor ...