3474 results
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Hypernatremia - Differential ... - Excess free water ... • No access to water ... Hypernatremia #Nephrology ... #Differential #
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Hypernatremia - Differential ... Diagnosis Inadequate water ... Lack of access to water ... Hypernatremia #Differential ... Diagnosis #Causes #nephrology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Output > 3L /day Water ... 200 mOsm/kg) • Water ... #Polyuria #Differential ... Algorithm #causes #nephrology
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
Hypernatremia - Differential ... loss (free water ... The differential ... Hypernatremia #Differential ... Treatment #management #nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... excretion along with water ... #Hyponatremia #Differential ... Diagnosis #Algorithm #nephrology
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... #3 - Perform a water ... Algorithm #Sodium #nephrology
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
of Polyuria - Differential ... Urine Following Water ... Urine Following Water ... #Polyuria #Nephrology ... #Differential #
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
of Polyuria - Differential ... Excess Intake of Water ... Reabsorption of Water ... #Polyuria #Differential ... Diagnosis #Causes #nephrology
Urine Specific Gravity - Interpretation
Specific Gravity = Density of urine / Density of water
SG close to
urine / Density of water ... Interpretation #diagnosis #differential ... #nephrology
Diabetes Insipidus - Diagnosis Algorithm
Tests:
 • Osmolality, Urine AND/OR
 • Osmolality, Serum or Plasma AND
 •
Plasma or Serum • Water ... Diagnosis #Algorithm #nephrology ... #differential