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Kaplan Qbank USMLE



Author7 Posts
  #1

how do cns abnormalities like stroke,psychosis,tumor and pulmonary diseases like atelectasis pneumonia and pneumothorax lead to hyponatremia?

  #2

If i'm not mistaken, CNS problems lead to hyponatremia due to "Cerebral Salt wasting syndrome":

http://www.emedicine.com/ped/topic354.htm



As for pulmonary problems like pneumonia or atelectasis causing hyponatremia? Well that's news to me!


___________________
First Aid is my Bible...

  #3

Any CNS or Lung pathology ( & I mean any, they just love this association) can lead to SIADH-->Euvolemic Hyponatremia d t abnormal naturesis ( Increased Urine Na )

  #4

thanks a lot....

  #5

SIADH leads to euvolemic hyponatremia.

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If u want to do something, do it today as there is no tomorrow.

  #6

In SAH
2 Complications
- Vasospasma 7-10 dys later - Leading cause of Morbisidyt , hence give CBB i.e Nimodipine

- Hyponatremia from SIADH & Cerebral Salt Wasting from Brain peptide Release

Remeber that SIADH can be d/t CNS Problems

  #7

& the vasospasm is the most comman MORTALITYcause in SIADH---> ttt--> Ca Ch Bs







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