217 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential Diagnosis ... Algorithm - Utilizing ... Uric Acid - Low ... Uric Acid → SIADH ... #Algorithm #nephrology
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis ... Algorithm UOsm ... Inappropriate - Consider: SIADH ... Primary polydipsia, Low ... #hyponatremia #diagnosis
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
- Differential Diagnosis ... Algorithm ADH ... Beer Potomania - Low ... insufficiency, SIADH ... #Algorithm #causes
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia Algorithm ... OFF (UNa > 30): SIADH ... Primary polydipsia, Low ... #Hyponatremia #Algorithm ... #diagnosis #sodium
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 ... #chemotherapy #diagnosis
An intuitive way to use ultrasound to evaluate sick patients along the peri-shock to full shock
High or Think Low ... #Diagnosis #POCUS ... Evaluation #Protocol #Algorithm ... #Low #Abdomen #
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
uric acid <4 • SIADH ... Hypothyroidism, Low ... #Hyponatremia #algorithm ... #diagnosis #sodium ... #low #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... restriction alone in SIADH ... Present (Uosm ≥100): SIADH ... can be high or low ... #differential #diagnosis
An intuitive way to use ultrasound to evaluate sick patients along the peri-shock to full shock
High or Think Low ... #Diagnosis #POCUS ... Evaluation #Protocol #Algorithm
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Hyponatremia - Diagnostic ... Evaluation Algorithm ... tests Step 5: If SIADH ... #Hyponatremia #Diagnosis ... Workup #Evaluation #Algorithm