Quiz: Inferior MI

Which of the following findings is the most specific for a diagnosis of myocardial infarction?

A A. Elevated cardiac enzymes B B. Evolution of Q waves on ECG C C. History of severe chest pain D D. ST elevation on ECG

A 55 year old man is admitted in emergency ward with acute myocardial infarction. Which of the following drug is used as acute reperfusion therapy:

A A. Clopidogrel B B. Heparin C C. Streptokinase D D. Warfarin

The cause of silent MI maybe:

A A. athletes B B. obese C C. Female D D. Diabetes mellitus

Acute Inferior myocardial infarction Can be manifested by:

A a) Abdominal Pain without a associated symptoms of chest pain, shortness of breath, pain radiation, aggravating Or alleviating factors. B b) Chest pain associated with diaphoresis, dyspnea, high grade fever, expectoration Of blood-tinged sputum. C c) Chest pain radiating to left shoulder, diaphoresis, and dysphagia to both : solid and liquid diets. D d) Chest pain associated with shortness of breath aggravating by lying down and alleviating by sitting and leaning forward

Acute subendocardial infarction will have ECG finding:

A A. Prominent ST elevation B B. Deep Q wave C C. Deep symmetrical T wave inversion D D. Height of R wave maximum in V6

CPK-MB is increased in all except:

A a) Myocarditis B b) Rhabdomyolsis C c) Post-AMI D d) Post-electrical cardioversion

In the treatment of AMI:

A a) Aspirin given within 6 hours of onset reduces the mortality B b) Diamorphine is better given intramuscular than by any other route C c) Immediate calcium channel blocker therapy reduces the early mortality rate D d) Nitrate therapy reduces the early mortality rate

All of following may be caused by MI except :

A a) Arrhythmia B b) Shock C c) Aortic incompetence D d) Mitral incompetence

Pathological Q wave in ECG indicate:

A a) Unstable angina B b) Trans mural infarction C c) Sub endocardial MI D d) non of the above

The most specific marker for diagnosis of acute myocardial infarction is:

A A. Myoglobin B B. CK-MB C C. LDH D D. Cardiac troponins

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