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hyponatremia (low serum osmolality (Euvolemia (SIADH (原因 (Stress),…
hyponatremia
low serum osmolality
Euvolemia
SIADH
血中滲透壓下降(BUN, Cr, UA降)
尿液無法稀釋:尿鈉>40mmol/L;尿滲透度>100mOsm/Kg.H2O
原因
Stress
Adrenal insufficiency
liver disease
Relative AI in patients with cirrhosis
primary (lack of steroid precursors, such as cholesterol)
secondary (impairment of CRH-ACTH axis) AI
high risk of developing sepsis, septic shock, organ failure, and death within 90 days.
下視丘: CRH
Hypothyroidism
treatment
高張NaCl溶液
補充速度:<8mEq/24Hr
避免CPM