24 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Diagnosis Algorithm ... ADH promotes Urea ... Acid → SIADH - High ... Uric Acid → renal ... #nephrology #sodium
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Hypernatremia - Differential ... perspiration Renal ... concentrating defect ... Diagnosis #Causes #nephrology ... #sodium #high
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Extra-renal Losses ... • HTN, High Aldosterone ... potassium #low #nephrology
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
Inherited Defects ... Epithelial Cells Renal ... of epithelial sodium ... #Kidney #Nephrology ... #Diagnosis #Differential
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Metabolic Alkalosis - Differential ... Diagnosis Algorithm ... Diuretics (late) • High ... PRA: Renal artery ... #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Metabolic Alkalosis - Differential ... Diagnosis Algorithm ... Diuretics (late) • High ... PRA: Renal artery ... #Nephrology #Causes
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... Diagnosis Algorithm ... Tea and Toast Syndrome ... Treat with a high ... #causes #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - Differential ... Diagnosis Workup Algorithm ... mOsm/kg - Implies renal ... , Cushing syndrome ... #nephrology #sodium
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Diagnosis Algorithm ... Chloridorrhea Renal ... • Penicillins Renal ... Licorice • Liddle's Syndrome ... MetabolicAlkalosis #NonGap #Nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... diuresis can be high ... Cirrhosis, Nephrotic syndrome ... #Hyponatremia #differential ... #nephrology