Hyponatremia following pneumonectomy (8/1700)

A man undergoes a pneumonectomy. After surgery, invs show hyponatremia. What could be the cause of the biochemical change?

 a. Removal of hormonally active tumor
b. Excess dextrose
c. Excess colloid
d. Excessive K+
e. Hemodilution










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AnswerB
1)SCLC is treated by chemo and radiation, this pt had a pneumonectomy, which is done in NSCLC 2) excess administration of 5% dextrose is a common cause of post op hyponatremia

2 comments:

  1. Unknown28 July 2017 at 12:21

    Stressfull situations like surgery produce excess vasopressin or Adh which results in SIADH secretion, which is the common pathway for hyponatremia in a majority of cases. Lung tumours like sclc also produce Adh ectopically.

    ReplyDelete
  2. Anonymous28 April 2023 at 01:11

    i also think it is adh resection.but what is correct

    ReplyDelete

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