A 63-Year-Old Man Is Brought to the Emergency Department Due

question 128

Multiple Choice

A 63-year-old man is brought to the emergency department due to an episode of syncope.  The patient was recently discharged back to a nursing home after being hospitalized for a urinary tract infection.  He has a history of coronary artery disease and takes aspirin, clopidogrel, and atorvastatin.  His other medical conditions include type 2 diabetes mellitus and hypertension.  The patient does not use tobacco, alcohol, or illicit drugs.  Blood pressure is 68/32 mm Hg and pulse is 118/min.  Invasive hemodynamic monitoring reveals an elevated right atrial pressure of 17 mm Hg and a pulmonary capillary wedge pressure of 7 mm Hg (normal: 8-10 mm Hg) . Which of the following is the most likely cause of this patient's current condition?

• A)Anaphylactic shock
• B)Gastrointestinal bleeding
• C)Right ventricular infarction
• D)Septic shock
• E)Severe aortic stenosis

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