11 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... • Hypovolemic: Diuretics ... osmotic (solute) diuresis ... , Cushing syndrome ... #nephrology #sodium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... : SIADH, Renal Sodium ... , Post-AKI diuresis ... Cirrhosis, Nephrotic syndrome
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Acute Kidney Injury ... Abdominal Compartment Syndrome ... Nephrolithiasis) • Neurogenic ... Diagnosis #nephrology #causes ... #algorithm
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
disequilibrium syndrome ... • Hyponatremia ... • Nephrogenic ... stones caused by ... and euvolemic hyponatremia
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Causes of Acute ... Kidney Injury (AKI ... Acute Kidney Injury ... • Hepatorenal syndromes ... #Acute #KidneyInjury
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Syndrome of Inappropriate ... especially thiazide diuretics ... • Reduced GFR, AKI ... #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Syndrome of Inappropriate ... especially thiazide diuretics ... • Reduced GFR, AKI ... #Causes
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... loop or thiazide diuretics ... use, Bartter syndrome ... , Gitelman syndrome ... the indicated causes
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Algorithm Isotonic ... • Hypovolemia: Diuretics ... Cirrhosis, Nephrotic Syndrome ... #diagnosis #causes ... #nephrology #sodium
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Dehydration - Loss of sodium ... conditions - Neurogenic ... heat illness → Hypernatremia ... involvement: Muscles, Kidneys ... differential #diagnosis #causes