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Q- A 65-year-old man complains of lightheadedness when he gets off bed in the morning. He takes metoprolol and hydrochlorothiazide. Which of the following is the cause of his complaint?
A- Anti-hypertensive therapy
B- Aortic stenosis
C- Hypertension
D- Vasovagal reflex

Q- A 50-year-old woman presents with palpitations and SOB. Her pulse is 140/min with irregular irregularity. Which of the following is the most likely finding in echocardiography?
A- Dilated cardiomyopathy
B- Left ventricular hypertrophy
C- Mitral stenosis
D- Right ventricular hypertrophy

Q- An old patient underwent percutaneous coronary intervention due to anterior myocardial infarction. Now, his ejection fraction is 45. Which of the following medications increases his survival?
A- Atenolol
B- Digoxin
C- Furosemide
D- Lisinopril

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