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    An unconscious patient with sepsis in the ICU undergoes a 2 hour period of severe hypotension. Blood chemistries taken during the following 48 hours show rising CK-MB fraction peaking at 5 times the upper normal limit. ECG are equivocal with some degree of flat S-T segment depression over several leads. Diagnosis?
    – prinzmetal angina
    – stable angina
    – subendocardial infarction
    – transmural infarction
    – unstable angina

    a 40 year old man presents with chest pain. The pain is paroxysmal substernal and occirs while at rest. An ECG is done and shows ST elevations. What is most likely cause of his pain?
    – heartburn
    – hypertension
    – severe atherosclerotic narrowing of the coronary arteries
    – thromboembolism of coronary arteries
    – vasospasm of atherosclerotic vessels

    A 53 year old hypertensive man develops sudden onset of excruciating pain beginning in the anterior chest and then radiating to the back. Over the next 2 hours the pain moves downward toward the abdomen. Which is the most probably diagnosis?
    – aortic dissection
    – aortic valve stenosis
    – atherosclerotic aneurysm
    – myocardial infarction
    – syphillitic aneurysm

    a 2 year old infant with uncomplicated coarctation of the aorta appears to be in good health. Growth and development are normal. The constircion is locate djust distal to the subclavian arteries. Which of the following is decreased in this patient?
    – blood flow in the upper body
    – blood flow in the lower body
    – blood pressure in the upper body
    – vascular resisitence in upper body
    – vascular resisitence in teh lower body

    A 55 year old man presents to the ER with crushing substernal pain and left shoulder pain of 2 hours duration. The pain is relieved by sublingual nitroglycerin and the ECG shows ST elevation in several leads. Aspirin and Streptokinase therapy are initiated and the patient is admitted to teh ICU. The next morning serum cardiac enzymes are elecated 4 times the upper limit of normal and the ECG changes are still present. Which is the most likely diagnosis?
    – prinzmetal angina
    – stable angina
    – subendocardial infarct
    – transmural infarction
    – unstable angina

    A 44 year old woman presents with chief complaint of a sharp stabbing pain in her chest for the past 12 hours. A careful history that the patient experienced a MI 3 years ago. The woman refuses to lie down instead leans forward stating that it allows her to breath more easily. Physical exam is unremarkable. The ECG shows diffuse ST segment elevations with upright T waves. Chest X ray appears normal and CK-MB is normal. Which is the most likely diagnosis?
    – acute pericardiits
    – dissecting aortic aneurysm
    – myocardial infarction
    – stable angina
    – unstable angina

    a 3 month old infant develops cyanosis limited to the lower part of the body. which of the following anomalies would most likely account for trhis peculiar clinical presentation?
    1. aortic coarctation
    2. aortic coarctation, infantile form
    3. isolated PDA
    4. pulmonary stenosis
    5. tetraology of fallot

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