EXAM
Exam Solution zm
MFBA Heart disease 2026 A+ GRADE ASSURED COMPLzm zm zm zm zm zm zm
ETE SOLUTIONS AND VERIFIED ANSWERS (90DA0)
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QUESTION 1 zm
A 76-year-
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old female presents to the emergency department with increasing dyspnea and lighth
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eadedness. You order an EKG, which is shown below.Which one of the following is the
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most likely diagnosis?
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A. Acute pericarditis
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B. Coronary artery spasm
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C. Mobitz II AV block
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D. Non-ST-elevation myocardial infarction
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E. Previous inferior myocardial infarction, age indeterminate
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ANSWER
D. Non-ST-elevation myocardial infarction Critique: The 12-lead EKG shows a marked ST-
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segment abnormality with ST-segment depression in leads V2-V6, I, and aVL consistent with non-ST-
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elevation myocardial injury or infarction. Coronary artery spasm and acute pericarditis are associate
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d with ST-
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segment elevation. The patient has a regular rhythm without evidence of an intermittent failure of c
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onduction of the atrial pulse to the ventricles, and thus does not have Mobitz II (or type II) second
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degree AV block. The EKG does not show Q waves in the inferior leads (II, III, and aVF), which wou
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ld indicate a previous inferior wall myocardial infarction.
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QUESTION 2 zm
A 61-year-
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old male is being treated for erectile dysfunction with intermittent tadalafil (Cialis), 2
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0 mg. He calls 911 due to severe chest pain. It would not be considered safe to admin
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ister nitrate therapy unless the time interval since his last dose of tadalafil has been a
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minimum of
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A. 6 hourszm zm
B. 12 hours
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C. 24 hours
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Exam Solution zm
MFBA Heart disease 2026 A+ GRADE ASSURED COMPLzm zm zm zm zm zm zm
ETE SOLUTIONS AND VERIFIED ANSWERS (90DA0)
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QUESTION 1 zm
A 76-year-
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old female presents to the emergency department with increasing dyspnea and lighth
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eadedness. You order an EKG, which is shown below.Which one of the following is the
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most likely diagnosis?
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A. Acute pericarditis
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B. Coronary artery spasm
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C. Mobitz II AV block
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D. Non-ST-elevation myocardial infarction
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E. Previous inferior myocardial infarction, age indeterminate
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ANSWER
D. Non-ST-elevation myocardial infarction Critique: The 12-lead EKG shows a marked ST-
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segment abnormality with ST-segment depression in leads V2-V6, I, and aVL consistent with non-ST-
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elevation myocardial injury or infarction. Coronary artery spasm and acute pericarditis are associate
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d with ST-
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segment elevation. The patient has a regular rhythm without evidence of an intermittent failure of c
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onduction of the atrial pulse to the ventricles, and thus does not have Mobitz II (or type II) second
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degree AV block. The EKG does not show Q waves in the inferior leads (II, III, and aVF), which wou
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ld indicate a previous inferior wall myocardial infarction.
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QUESTION 2 zm
A 61-year-
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old male is being treated for erectile dysfunction with intermittent tadalafil (Cialis), 2
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0 mg. He calls 911 due to severe chest pain. It would not be considered safe to admin
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ister nitrate therapy unless the time interval since his last dose of tadalafil has been a
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minimum of
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A. 6 hourszm zm
B. 12 hours
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C. 24 hours
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