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Q- A 61-year-old male represents to the ER with severe substernal chest pain. He's given sublingual nitroglycerin and oxygen. His vital signs are within normal limits and ECG is normal. Which of the following is the best next step?
A- Aspirin
B- Coronary angiography
C- Echocardiography
D- Thallium stress test

Q- Which of the following is the most common cause of congestive heart failure associated with systolic impairment in the United States?
A- Alcohol
B- Atherosclerosis
C- Diabetes
D- Rheumatic heart disease

Q- A 15-year-old male is brought to the emergency department for ataxia, hyperactivity, hallucinations, abusive language and nystagmus. Which of the following is most likely responsible for his condition?
A- Amphetamines
C- Cocaine
D- Phencyclidine (PCP)

Answer and Explanation
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