A patient who is at high risk for developing intracardiac thrombi has been placed on long-term anticoagulation. What aspect of the patient's health history creates a heightened risk of intracardiac thrombi?
A) Atrial fibrillation
B) Infective endocarditis
C) Recurrent pneumonia
D) Recent surgery
Ans: A
Feedback:
Intracardiac thrombi are especially common in patients with atrial fibrillation, because the atria do not contract forcefully and blood flows slowly and turbulently, increasing the likelihood of thrombus formation. Endocarditis, pneumonia, and recent surgery do not normally cause an increased risk for intracardiac thrombi formation.
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