Surgery General b0cd1798 ECG Change seen in Pulmonary embolism is: A S1 Q3 T3 B S1 Q3 T1 C S3 Q3 T1 D S3 Q1 T3 High-Yield Explanation A large S wave in lead I, Q wave in lead II and inverted T wave in lead III is seen in Pulmonary embolism because of acute Right heart strain.