15 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... mmol/L - true hyponatremia ... EUVOLEMIC • SIADH ... • nephrotic syndrome ... renal failure #Hypernatremia
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... Tea and Toast Syndrome ... insufficiency, SIADH ... thecurbsiders #Hyponatremia ... #Differential #
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - ... Workup Algorithm ... Extrarenal Hypernatremia ... Ingestion Renal Hypernatremia ... MatthewHoMD #Hypernatremia
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... cirrhosis, nephrotic syndrome ... , SSRIs) - SIADH ... UnremarkableLab #Hyponatremia ... #Differential #
Cancer agents and Electrolyte Disorders
 • Hypocalcemia: Cisplatin from Low Mg, Cetuximab- due to low Mg
Axitinib,
and Electrolyte Disorders ... Ifosfamide - Fanconi syndrome ... Trastuzumab • Hyponatremia ... Methotrexate- SIADH ... chemotherapy #diagnosis #differential
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Approach to Hypotonic Hyponatremia ... case of hypotonic hyponatremia ... Cirrhosis, Nephrotic syndrome ... Physiologic #Hypotonic #Hyponatremia ... #differential #
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Hyponatremia - Diagnosis ... Hyponatremia is ... 3 questions to work ... of hyponatremia ... demyelination syndrome
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Hyponatremia - Differential ... Algorithm Isotonic Hyponatremia ... TURP Hypotonic Hyponatremia ... • Euvolemia: SIADH ... Cirrhosis, Nephrotic Syndrome
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Management of SIADH ... PO TID • With lower ... SatyaPatelMD #SIADH ... #Management #hyponatremia ... #nephrology #treatment
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
SIADH Treatment ... underlying cause of SIADH ... PO TID • With lower ... #Management #hyponatremia ... #nephrology #treatment