9 results
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... Urine Na+K / serum ... in SIADH RAAS ... : Hypovolemia, Hypervolemia ... differential #diagnosis #table
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Algorithm Hypertonic ... • ADH ON (UOsm ... OFF (UNa > 30): SIADH ... Primary polydipsia, Low ... #sodium #nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Utilizing Uric Acid ADH ... Sodium 4) Serum ... Uric Acid → SIADH
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Algorithm Isotonic ... • Euvolemia: SIADH ... polydipsia • Hypervolemia ... causes #nephrology #sodium ... #low
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
water loss, Serum Sodium ... 300 mmol/kg • Hypertonic ... saline administration ... mannitol, glucosuria Low ... Urine Osmolality
Management of Hyponatremia
Hypertonic Saline - Only indicated if patient has severe symptoms + Na < 125
Give
Management of Hyponatremia ... Hypertonic Saline ... • IF SIADH — ... #Management #algorithm ... #treatment #sodium
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
majority of cases, ADH ... 1) Is it hypotonic ... Measure urine osmolality ... syndrome. 3% saline ... management #nephrology #sodium
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
promoting passive sodium ... colon 0.9% Normal Saline ... : • If Urine osmolality ... antagonists: • Blocks ADH ... #nephrology #treatment
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
(acidosis), CK+LDH ... lysis) ± Urine ... Elimination (see Table ... acidosis) • Low ... Use gtt, NOT hypertonic