15 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Uric Acid - Low ... High Uric Acid → renal ... Diagnosis #Algorithm #nephrology ... #sodium #low #uricacid
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic Alkalosis ... Bartter Syndrome, Gitelman ... hyperaldosteronism • High PRA: Renal ... Primary #Metabolic #Alkalosis ... Diagnosis #Algorithm #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic Alkalosis ... Bartter Syndrome, Gitelman ... hyperaldosteronism • High PRA: Renal ... aldosteronism #Metabolic #Alkalosis ... Diagnosis #Algorithm #Nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Based Approach to Hyponatremia ... Hypothyroidism, Low ... SatyaPatelMD #Volume #Hyponatremia ... algorithm #diagnosis #sodium ... #low #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Sodium loss (diuretics ... can be high or low ... Primary polydipsia), Low ... differential #diagnosis #table ... #sodium #nephrology
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic Alkalosis ... Chloridorrhea Renal ... • Penicillins Renal ... Hypomagnesemia • Barrter's/Gitelman's ... MetabolicAlkalosis #NonGap #Nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
mOsm/kg - Implies renal ... • Euvolemic (Low ... , Ingestion Renal ... Workup #Algorithm #nephrology ... #sodium
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
thiazide-sensitive sodium ... thiazide-sensitive sodium ... • Normal or low ... • Hypokalemia (renal ... Syndrome #diagnosis #nephrology
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
Epithelial Cells Renal ... ascending limb Gitelman ... of epithelial sodium ... Defects #Kidney #Nephrology ... #Differential #Table
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
• Normal/low ... Bartter syndrome, Gitelman ... settings, the urine sodium ... the excretion of sodium ... urine #Algorithm #nephrology