197) A 26 year old pregnant woman is evaluated in the emergency Room for severe weakness and dehydration from persistent vomiting. She is a primigravida at 9 weeks gestation. She reports that her nausea and vomiting started at 5 weeks of pregnancy and have progressively become worse. She denies any abdominal pain or vaginal bleeding. She denies any headache. Her bowel movements are normal. Her past medical history is unremarkable. Her pre-pregnancy weight was 60lbs but now she weighs about 55lbs. Physical examination reveals dry oral mucosa. Laboratory tests reveal hematocrit of 52 ( normal = 36 to 46%) ; Total bilirubin of 2mg/dl; ALT of 160U/L and AST of 140U/L . Urine is positive for ketones. Ultrasound reveals normal fetus appropriate for 9 week gestation. The most likely diagnosis:
A) Diabetic Ketoacidosis
B) Acute Pancreatitis
C) Hyperemesis Gravidarum
D) Cholestasis of Pregnancy
E) Morning Sickness
Filed under: USMLE Test Prep | Tagged: Archer Gynecology, archer obstetrics, archer ostetrics and gynecology, obstetrics, usmle step 3 gynecology, usmle step 3 gynecology and obstetrics, usmle step 3 obstetrics |
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