31 results
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... - Differential ... insipidus • Nephrogenic ... Diagnosis #Causes #nephrology ... #sodium #high
Hyponatremia Differential Diagnosis Algorithm

By Dr. Khudhur Mohammed @khudhur_moh

#Hyponatremia #Differential #Diagnosis #Algorithm #sodium #nephrology
Hyponatremia Differential ... khudhur_moh #Hyponatremia ... #Differential # ... Diagnosis #Algorithm #sodium ... #nephrology
Hyponatremia Differential Diagnosis Table

 • Step 1: Correct for hyperglycemia. Corrected Na = [(glucose - 100)/
Hyponatremia Differential ... Diagnosis Table ... #Differential # ... Diagnosis #Table ... #nephrology #sodium
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... - Differential ... water loss, Serum Sodium ... diuresis (see Polyuria ... #Nephrology #Differential
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Differential Algorithm ... acid: - Urine sodium ... - Urine sodium ... #Differential # ... Algorithm #Diagnosis #Nephrology
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
- Differential ... >50% - Proper kidney ... - Unresponsive Kidney ... • Nephrogenic ... #Nephrology #Differential
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... insipidus (central or nephrogenic ... #Differential # ... Workup #Algorithm #nephrology ... #sodium
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
Inherited Defects in Kidney ... of epithelial sodium ... #Nephrology #Diagnosis ... #Differential # ... Table
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Etiologies of Hypernatremia ... - Differential ... Insensible losses Sodium ... sensitivity in kidneys ... Diagnosis #Table
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Osmolarity 3) Urine Sodium ... #Differential # ... Diagnosis #Algorithm #nephrology ... #sodium #low #uricacid