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9363 Medicine

A 38-year-old man develops severe retrosternal chest pain radiating to the back and presents to the emergency department. The pain is aggravated by breathing and movement. He has always been in perfect health but did have a mild upper respiratory tract infection 1 week ago. His cardiogram is shown in Figure below. Which of the following is the most likely cause for his condition?

Aocclusion of left anterior descending artery
Bocclusion of circumflex artery
Ca viral infection
Ddissection of the aortic artery
Medicine
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9364 Medicine

A 22-year-old man presents to the clinic complaining of low back pain and stiffness. The discomfort started several months ago as a mild dull ache in his back. The pain is more intense now, and it involves his back and hips. The symptoms seem worse at night and prevent him from sleeping. On physical examination, there is paravertebral muscle tenderness and limited flexion of the lumbar spine. Chest expansion as measured with a tape measure at the nipple line is also reduced. Figure below shows an x-ray of the lumbar spine. Which of the following is the most likely diagnosis?

Aosteoarthritis
BMarfan syndrome
Cankylosing spondylitis (AS)
DRA
Medicine
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9366 Medicine

A 20-year-old male presented with jaundice for the past 2 weeks. His liver function tests revealed serum bilirubin to be 0.9 mg/dL, SGOT/SGPT to be 1240/ 1450 IU. He was found to be positive for HBsAg and IgM anti-HEY antibodies and negative for IgM anti-c. The most likely diagnosis is –

AAcute hepatitis with mutant hepatitis B virus
BSuperinfection of hepatitis E virus with chronic hepatitis B infection
CAcute hepatitis with wild type hepatitis B virus
DCo-infection of hepatitis B and E virus
Medicine
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