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9176 Pathology

A 27-year-old man with a history of intravenous drug use is known to have been infected with the hepatitis B virus for the past 6 years and has not been ill. He is seen in the emergency department because he has had nausea, vomiting, and passage of dark-colored urine for the past week. Physical examination shows scleral icterus and mild jaundice. Neurologic examination shows a confused, somnolent man-oriented only to person. He exhibits asterixis. Laboratory studies show total protein, 5 g/dL; albumin, 2.7 g/dL; AST, 2342 U/L; ALT, 2150 U/L; alkaline phosphatase, 233 U/L; total bilirubin, 8.3 mg/dL; and direct bilirubin, 4.5 mg/dL. Superinfection with which of the following viruses has most likely occurred in this man?

AHAV
BHCV
CHDV
DHEV
Pathology
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9180 Pathology

A 25-year-old man suffers a sudden cardiac arrest. He is resuscitated. On examination his vital signs are normal. Echocardiography shows that the left ventricle is normal but there is marked thinning with dilation of the right ventricle. MR imaging of his chest shows extensive fibrofatty replacement of the myocardium, but no inflammation. Which of the following is the most likely cause for his findings?

ACardiomyopathy
BChagas disease
CHypertension
DLong QT syndrome
Pathology
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