All Subjects Medicine Surgery Pathology Anatomy Pharmacology Social & Preventive Medicine Microbiology Gynaecology & Obstetrics Dental Physiology Biochemistry Pediatrics
Showing 3225 questions
Sort:
1300 Anaesthesia

A 65-year-old man undergoes a technically difficult abdominal-perineal resection for a rectal cancer during which he receives 3 units of packed red blood cells. Four hours later, in the intensive care unit (ICU), he is bleeding heavily from his perineal wound. Emergency coagulation studies reveal normal prothrombin, paial thromboplastin, and bleeding times. The fibrin degradation products are not elevated, but the serum fibrinogen content is depressed and the platelet count is 70,000/mL. Which of the following is the most likely cause of his bleeding?

ADelayed blood transfusion reaction
BAutoimmune fibrinolysis
CA bleeding blood vessel in the surgical field
DFactor VIII deficiency
Anaesthesia
View Explanation →
1303 Anaesthesia

A 52-year-old woman undergoes a sigmoid resection with primary anastomosis for recurrent diveiculitis. She returns to the emergency room 10 days later with left flank pain and decreased urine output; laboratory examination is significant for a white blood cell (WBC) count of 20,000/mm3 . She undergoes a CT scan that demonstrates new left hydronephrosis, but no evidence of an intraabdominal abscess. Which of the following is the most appropriate next step in management?

AIntravenous pyelogram
BIntravenous antibiotics and repeat CT in 1 week
CAdministration of intravenous methylene blue
DNo fuher management if urinalysis is negative for hematuria
Anaesthesia
View Explanation →