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What is In acute pulmonary embolism, the ECG finding may include all except and explain in detail?
The most frequently cited abnormality, in addition to sinus tachycardia, is the S1Q3T3 sign: an S wave in lead I, a Q wave in lead III, and an inveed T wave in lead III. This finding is relatively specific but insensitive. RV strain and ischemia cause the most common abnormality, T-wave inversion in leads V1 to V4.Ref: Harrison's 19e pg: 1633