10 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... mechanism 2) Volume ... • Euvolemic (Low ... , Cushing syndrome ... #nephrology #sodium
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
to Hyponatremia ... Urine Na < 20: Heart ... Cirrhosis, Nephrotic syndrome ... algorithm #diagnosis ... #sodium #low #nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
: Hypovolemia, Heart ... Cirrhosis, Nephrotic syndrome ... Primary polydipsia, Low ... solute intake, ... #sodium #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
algorithm Urine ... can be high or low ... renal perfusion (Heart ... Cirrhosis, Nephrotic syndrome ... #nephrology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hypovolemic - Give volume ... cirrhosis, nephrotic syndrome ... , CNS Disease, Meds ... #diagnosis #nephrology ... #sodium
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... Diagnosis Algorithm ... Beer Potomania - Low ... Hypervolemic - Heart ... #causes #nephrology
Causes of Pediatric Seizures - Differential Diagnosis Algorithm
Infantile:
 • Benign Focal Epilepsy of Infancy
 • West
Differential Diagnosis Algorithm ... Hypocalcemia • Hyponatremia ... Structural: • Head ... Injury • Stroke ... #Causes #Peds #
Causes of Provoked Pediatric Seizures - Differential Diagnosis Algorithm - "DIMS" Mnemonic
Drugs:
 • Drug overdose
 •
Hypocalcemia • Hyponatremia ... Structural: • Head ... Injury • Stroke ... • Sturge-Weber Syndrome ... #Causes #Peds #
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Dehydration - Loss of sodium ... conditions - Neurogenic ... Hypernatremia & ... Pathophysiology: Volume ... consciousness, Coma/seizure
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Algorithm Isotonic ... Hypervolemia: Congestive Heart ... Cirrhosis, Nephrotic Syndrome ... diagnosis #causes #nephrology ... #sodium #low