8 results
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Workup Step #1 ... Uglucose Step #3 ... & desmopressin test ... #Sodium #nephrology
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
- Differential ... Diagnosis Algorithm ... Water Deprivation Test ... #Polyuria #Nephrology ... #Differential #
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Diagnosis Algorithm ... water loss, Serum Sodium ... diuresis (see Polyuria ... kg • Diabetes Insipidus ... Hypernatremia #Nephrology
Diabetes Insipidus - Diagnosis Algorithm
Tests:
 • Osmolality, Urine AND/OR
 • Osmolality, Serum or Plasma AND
 •
Diabetes Insipidus ... - Diagnosis Algorithm ... Plasma AND • Sodium ... Osmolality, Urine 1- ... #nephrology #differential
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Diagnosis Algorithm ... water retention 1) ... Urine Osmolarity 3) ... Urine Sodium 4) ... #nephrology #sodium
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - Differential ... Diagnosis Workup Algorithm ... 1) Check Urine ... Euvolemic: Diabetes insipidus ... #nephrology #sodium
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
post-obstructive 3) ... Diabetes Insipidus ... ([Na] / 140) - 1) ... Treatment #management #nephrology ... #sodium
Hyponatremia Diagnostic Algorithm
1) Check serum osmolality
2) Check urine osmolality
3) ADH Dependent - Check volume status, urine
1) Check serum ... urine osmolality 3) ... status, urine sodium ... #differential # ... hyponatremia #nephrology