A 46-Year-Old Man Experiences Syncope While Getting Out of Bed

A 46-year-old man experiences syncope while getting out of bed.  The patient has been feeling weak during the past several days and has had dyspnea and chest discomfort.  He believes the symptoms are due to a respiratory infection 2 weeks ago, but he did not see a doctor at that time.  Medical history includes hypertension that is controlled with lisinopril.  Family history includes coronary artery disease.  ECG rhythm strip is shown in the exhibit.  Which of the following is the most appropriate treatment for this patient?

A) Adenosine
B) Amiodarone
C) Heparin infusion
D) Magnesium sulfate
E) Metoprolol
F) Pericardiocentesis
G) Synchronized cardioversion

Correct Answer:

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