25 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Uric Acid - Low ... Uric Acid → SIADH ... Diagnosis #Algorithm #nephrology ... #sodium #low #uricacid
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Cirrhosis, Nephrotic syndrome ... OFF (UNa > 30): SIADH ... Primary polydipsia, Low ... Algorithm #diagnosis #sodium ... #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
uric acid <4 • SIADH ... Hypothyroidism, Low ... Cirrhosis, Nephrotic syndrome ... algorithm #diagnosis #sodium ... #low #nephrology
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
acid: - Urine sodium ... low, uric acid ... - Urine sodium ... low in euvolemic ... Algorithm #Diagnosis #Nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
, Renal Sodium loss ... can be high or low ... Cirrhosis, Nephrotic syndrome ... differential #diagnosis #table ... #sodium #nephrology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
and Workup Step ... Repeat the sodium ... EUVOLEMIC • SIADH ... • nephrotic syndrome ... Workup #Algorithm #Nephrology
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... Toast Syndrome, ... Beer Potomania - Low ... insufficiency, SIADH ... Algorithm #causes #nephrology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... cirrhosis, nephrotic syndrome ... , SSRIs) - SIADH ... Algorithm #diagnosis #nephrology ... #sodium
Hyponatremia Differential Diagnosis Table

 • Step 1: Correct for hyperglycemia. Corrected Na = [(glucose - 100)/
Hyponatremia Differential ... Diagnosis Table ... )/ 100] x 1.6; and ... MatthewHoMD #Hyponatremia ... #nephrology #sodium
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Hyponatremia - Differential ... • Euvolemia: SIADH ... Cirrhosis, Nephrotic Syndrome ... diagnosis #causes #nephrology ... #sodium #low