Hyponatremia - Differential Diagnosis by Mechanism
Decr ...

Hyponatremia - Differential Diagnosis by Mechanism

Decr Blood Pressure (“Decr Effective Circulating Volume”) 

 - Volume depletion

 - Heart failure

 - Cirrhosis

Syndrome of Inappropriate ADH secretion (SIADH) 

 - Malignancy (e.g. small cell carcinoma of the lung) 

 - CNS pathology (e.g. strokes, hemorrhage) 

 - Pulmonary pathology (e.g. pneumonia, COPD exacerbation) 

 - Drugs (e.g. carbamazepine, cyclosporine, SSRIs) Severe pain

 - Reset osmostat 

 - Cerebral salt wasting


 - Hypothyroidism

 - Adrenal insufficiency

ADH Appropriately Suppressed

 - Advanced renal failure

 - Primary polydipsia

 - Beer potomania

 - “Tea and toast” diet

Dr. Eric Strong https://twitter.com/DrEricStrong 

#Hyponatremia #Differential #Diagnosis #Table #Causes #Sodium
Contributed by

Dr. Gerald Diaz
Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief 🇵🇭 🇺🇸 - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG:  https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/

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