5 results
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
3 questions to work ... Measure urine osmolality ... volume status (EABV ... #Differential # ... management #nephrology #sodium
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
Hyponatremia (<135 ... and urine osmolality ... helps to differentiate ... Measured urine sodium ... #Hypovolemia #EBV
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
hypothalamic thirst center ... diabetes insipidus Differential ... intoxication Initial Workup ... Osm, Serum Sodium ... , Urine Sodium
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
mononeuritis multiplex WORKUP ... Anti-GBM antibody • Urine ... : UA, Urine protein ... BNP, troponin if concern ... Goodpasture's cause
Hyponatremia Differential Diagnosis Algorithm in Cancer
UOsm ≥ 100 mOsm/kg = Urine is inappropriately concentrated for hypotonic
Hyponatremia Differential ... Diagnosis Algorithm in Cancer ... 100 mOsm/kg = Urine ... chemotherapy, nausea ... #Differential #