m******r
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eyetoeye (望眼欲穿) 于 (Mon May 14 16:37:04 2012, 美东) 提到:
1. A 76-year-old woman is admitted to the hospital after a fall at her home
earlier in the day. She has been followed in your practice for several years
and is in generally good health. She drinks socially, does not smoke and
has been active in senior citizen groups. She takes ibuprofen occasionally
for pain, but no other medications. On admission she is alert and oriented,
and complains only of pain in her left leg. Her temperature is 36.1°C (97.0
°F), pulse is 72/min and regular, and blood pressure is 140/85 mm Hg. X-ray
films taken upon arrival show a fracture of the left femoral shaft.
Surgical repair of the fracture is done the next morning. The patient
receives 2 U of packed erythrocytes during the procedure. Postoperative
medications include morphine, prophylactic cephalothin and low-dose warfarin
. On the evening of the operation, the patient becomes combative, begins to
hallucinate and has a brief, generalized seizure. A fine petechial rash is
noted on her chest. Which of the following is the most likely cause of her
seizure?
A) Antibiotic allergy
B) Blood transfusion reaction
C) Fat emboli
D) Hemorrhagic stroke
E) Unrecognized cerebral concussion
probably it is C. but why "A fine petechial rash is noted on her chest"?
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zwwang666 (zzzz) 于 (Mon May 14 16:41:12 2012, 美东) 提到:
platelet adhere and coat fat droplet---thrombocytopenia---petechial rash on
upper body.
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eyetoeye (望眼欲穿) 于 (Mon May 14 16:53:59 2012, 美东) 提到:
Wow.
Thanks a lot.
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