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nbme 1 b1 q1 - irvinedawg - Printable Version

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nbme 1 b1 q1 - irvinedawg - ArchivalUser - 07-21-2009

1. A 70-year-old woman has had increasing abdominal pain over the past 2 days. She has renal failure and has been receiving peritoneal dialysis for 18 months; her last treatment was 2 hours ago. She appears toxic. Her temperature is 39 C (102.2 F), and blood pressure is 140/90 mm Hg. Her abdomen is distended and diffusely tender to deep palpation with rebound tenderness. Leukocyte count is 18,000/mm3. Which of the following is the most appropriate next step?

A ) X-ray films of the abdomen

B ) Comparison of abdominal fluid amylase with serum amylase activity

C ) Gram's stain of abdominal fluid

D ) Ultrasonography of the abdomen

E ) CT scan of the abdomen and pelvis


0 - ArchivalUser - 07-21-2009

C ) Gram's stain of abdominal fluid


0 - ArchivalUser - 07-23-2009

can someone explain?

thanks


0 - ArchivalUser - 07-23-2009

it is Spontaneous bacterial peritonitis.