Which of the following physical examination findings are consistent with the diagnosis of pul-monary embolism? 1. Congestive heart failure 2. Inspiratory crackles on auscultation 3. Loud P2 4. Tachypnea

a. 2, 3, and 4 only
b. 1 and 4 only
c. 3 only
d. 2 and 4 only

ANS: A
The most frequent physical examination findings include tachypnea, rales on chest examination, and tachycardia. These signs, like dyspnea, may be short-lived. Other common physical findings include an accentuated pulmonary component of the second heart sound (loud P2) consistent with pulmonary hypertension. Fever may be present in as many as 54% of patients.