SIADH

Question 1

Etiology ?

Answer 1

CNS distrabance
Medication
Lung disease
Ectopic ADH secretion like in small cell carcinoma
Pain and nausea

Question 2

Clinical feature

Answer 2

Mild/ moderate hyponatremi nausea , forgetfulness
Severe hyponatremia sexier , com a
Euvolemia

Question 3

Lab finding

Answer 3

Hyponatremia
Serum osmolality < 275
Urine osmolality > 100
Urine sodium >40

Question 4

Management

Answer 4

Fluid restriction +- salt tablets
Hypertonic saline for sever hyponatremia