27 results
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
True Hyponatremia ... urine sodium and serum ... and hypervolemic hyponatremia ... in euvolemic hyponatremia ... #Nephrology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... mmol/L - true hyponatremia ... renal failure #Hypernatremia ... #Diagnosis #Workup ... #Algorithm #Nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Uric Acid - Low ... Rachel Stern MD #Hyponatremia ... #Algorithm #nephrology
Hypo-osmolar Hypotonic HypoNatremia Algorithm (Serum Na+ < 135 meq/L, serum Osm < 275 mosm/kg)
Assess Volume Status,
Hypo-osmolar Hypotonic HypoNatremia ... Algorithm (Serum ... Urine Osm #Hyponatremia ... #Algorithm #Diagnosis ... #Nephrology #Differential
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Based Approach to Hyponatremia ... Hypothyroidism, Low ... SatyaPatelMD #Volume #Hyponatremia ... #algorithm #diagnosis ... #sodium #low #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - ... Extrarenal Hypernatremia ... • Euvolemic (Low ... Ingestion Renal Hypernatremia ... MatthewHoMD #Hypernatremia
Deciphering the SAAG - Serum to Ascites Albumin Gradient
Ascites is either made in the liver sinusoid
Deciphering the SAAG ... - Serum to Ascites ... oncotic pressure Low ... Matherly @liverprof #Diagnosis ... Ascites #Fluid #Serum
Ascites - Differential Diagnosis and Workup Algorithm

•
Perform paracentesis:
 • Cell count and diff 
 • Total
- Differential Diagnosis ... and Workup Algorithm ... protein • Fluid albumin ... and serum albumin ... • Calculate SAAG
Diagnostic Approach to Hyponatremia
Box A:
 • Normo/hyperosmolar Hyponatremia: Glucose, Mannitol, Glycine, Contrast media, Maltose
 • Pseudohyponatremia:
to Hyponatremia ... Normo/hyperosmolar Hyponatremia ... Primary Polydipsia, Low ... Wilkinsonjonny #Hyponatremia ... #workup
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... Algorithm Hypernatremia ... free water loss, Serum ... mannitol, glucosuria Low ... Hyperventilation #Hypernatremia