What are the two most common findings on the electrocardiogram (ECG) in the patient with pulmonary embolism?
a. Bradycardia and elevated ST segment
b. Inverted T waves and depressed ST seg-ment
c. Large P waves and inverted T waves
d. Tachycardia and depressed ST segment
ANS: D
The ECG is frequently abnormal in patients with pulmonary embolism (87% of the time), but the ECG abnormalities accompanying pulmonary embolism are nonspecific in most (70% to 75%) cases; tachycardia and ST-segment depression are most common.
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