59 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... • Euvolemic (Low ... , Cushing syndrome ... #Differential # ... Algorithm #nephrology #sodium
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Differential Algorithm ... low, uric acid ... - Urine sodium ... and uric acid low ... #Differential #
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... - Differential ... insipidus • Nephrogenic ... #Differential # ... Causes #nephrology #sodium
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Osmolarity 3) Urine Sodium ... Uric Acid - Low ... #Differential # ... #low #uricacid
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... - Differential ... vasoconstriction syndrome ... Traumatic brain injury ... Hyperglycemia, Hyponatremia
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 ... mannitol, glucosuria Low ... #Nephrology #Differential
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia ... Algorithm Hypertonic Hyponatremia ... Cirrhosis, Nephrotic syndrome ... Primary polydipsia, Low ... Algorithm #diagnosis #sodium
Causes of Pediatric Seizures - Differential Diagnosis Algorithm
Infantile:
 • Benign Focal Epilepsy of Infancy
 • West
Causes of Pediatric Seizures ... - Differential ... Hypocalcemia • Hyponatremia ... Structural: • Head Injury ... #Epilepsy #Differential
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 ... congenital disorders Nephrogenic ... #Differential #
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
Differential Diagnosis ... The differential ... Diabetes Insipidus: neurogenic ... #Differential # ... management #nephrology #sodium