12-08-2008, 05:15 AM
A previously healthy 54-year-old man is admitted to the intensive care unit with severe community acquired pneumonia. He is endotracheally intubated and is receiving mechanical ventilation. He has a right subclavian vein catheter, through which he is receiving antibiotics, vasopressors, analgesia, and sedation.
His temperature is 38 °C (100 °F), blood pressure is 110/70 mm Hg and heart rate 110/min on his current dose of vasopressors.
Which of the following is the most appropriate prophylaxis for venous thromboembolism in this patient?
A Warfarin adjusted to an INR of 2.0-3.0
B Low-dose heparin or low-molecular-weight heparin
C Aspirin
D No prophylaxis required
His temperature is 38 °C (100 °F), blood pressure is 110/70 mm Hg and heart rate 110/min on his current dose of vasopressors.
Which of the following is the most appropriate prophylaxis for venous thromboembolism in this patient?
A Warfarin adjusted to an INR of 2.0-3.0
B Low-dose heparin or low-molecular-weight heparin
C Aspirin
D No prophylaxis required