96 results
Urine Specific Gravity - Interpretation
Specific Gravity = Density of urine / Density of water
SG close to
Urine Specific Gravity ... hydration • Diabetes insipidus ... Interpretation #diagnosis ... #differential # ... nephrology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Diagnosis Algorithm ... Central Diabetes Insipidus ... #Diagnosis #Algorithm ... #causes #nephrology
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Hypernatremia - Differential ... Diagnosis Inadequate ... Central diabetes insipidus ... #Diagnosis #Causes ... #nephrology #sodium
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
True Hyponatremia Differential ... sodium and serum ... #Hyponatremia #Differential ... #Algorithm #Diagnosis ... #Nephrology
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diagnosis Algorithm ... - Diabetes Insipidus ... Management #Algorithm #Sodium ... #nephrology #insipidus
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Hypernatremia - Differential ... Diagnosis Algorithm ... water loss, Serum Sodium ... kg • Diabetes Insipidus ... Hypernatremia #Nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Osmolarity 2) Urine ... Sodium 4) Serum ... #nephrology #sodium
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Polyuria - Differential ... Diagnosis Algorithm ... kg • Diabetes Insipidus ... #Diagnosis #Algorithm ... #nephrology
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
of Polyuria - Differential ... Diagnosis Algorithm ... #Polyuria #Nephrology ... #Differential # ... Diagnosis #Algorithm
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup ... Algorithm 1) Check Urine ... Euvolemic: Diabetes insipidus ... #Algorithm #nephrology ... #sodium