1435 results
Cancer agents and Electrolyte Disorders
 • Hypocalcemia: Cisplatin from Low Mg, Cetuximab- due to low Mg
Axitinib,
Cisplatin from Low ... Cetuximab- due to low ... Bevacizumab, Volociximab-SIADH ... Methotrexate- SIADH ... Cisplatin- due to low
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Uric Acid - Low ... Uric Acid → SIADH ... nephrology #sodium #low
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Inappropriate - Consider: SIADH ... Primary polydipsia, Low
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
uric acid <4 • SIADH ... Hypothyroidism, Low ... diagnosis #sodium #low
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
restriction alone in SIADH ... Present (Uosm ≥100): SIADH ... can be high or low ... Primary polydipsia), Low
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Beer Potomania - Low ... insufficiency, SIADH
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
OFF (UNa > 30): SIADH ... Primary polydipsia, Low
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
• Euvolemia: SIADH ... nephrology #sodium #low
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
stimulated in states of low ... activated in states of low ... EBV #potomania #SIADH
Diabetes Insipidus vs Syndrome of Inappropriate ADH (SIADH) - Comparison Table

Diabetes Insipidus - Inadequate ADH
SIADH -
Inappropriate ADH (SIADH ... Inadequate ADH SIADH ... Diabetes #Insipidus #SIADH