A 56-Year-Old Man Comes to the Emergency Department Due to Chest

question 40

Multiple Choice

A 56-year-old man comes to the emergency department due to chest palpitations.  He feels that his heartbeat is fast and very irregular.  The patient has no chest pain, shortness of breath, or dizziness.  Physical examination confirms the presence of an irregularly irregular rhythm with a heart rate of 120/min.  He hosted a party last night for his wife's birthday and consumed a large amount of alcohol.  The patient normally drinks only 2-3 times a year.  He is otherwise healthy and takes no medications.  Which of the following ECG findings is most likely in this patient?

• A)Absent P waves
• B)High voltage in precordial leads
• C)Prolonged QRS complex
• D)Prolonged QT interval
• E)ST elevation

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