14 results
Gitelman Syndrome - Diagnosis and Workup
Blood Work:
 - Hypokalemia
 - Hypomagnesemia
 - Metabolic Alkalosis
 - Elevated
Gitelman Syndrome ... Inappropriate renal ... Inappropriate renal ... kidney disease Renal ... #Workup #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic Alkalosis ... Low Cl intake, Diuretics ... , Gitelman Syndrome ... hyperaldosteronism • High PRA: Renal ... Diagnosis #Algorithm #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic Alkalosis ... Low Cl intake, Diuretics ... , Gitelman Syndrome ... hyperaldosteronism • High PRA: Renal ... Diagnosis #Algorithm #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
UNa > 20: • Renal ... Bicarbonaturia with renal ... and metabolic alkalosis ... Acute or chronic renal ... Algorithm #Causes #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Urine Fractional Excretion ... Glucose, Acute resp. alkalosis ... FEPO4 ≥ 5% - Renal ... Inh., Osmotic diuresis ... #phosphate #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Regulating Renal ... • Metabolic alkalosis ... Inhibitors of Renal ... #Renal #Excretion ... #Diuresis #Nephrology
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Transcellular Shifts: - Alkalosis ... Villous adenoma Renal ... chewing tobacco, Renal ... use), Gitelman's ... differential #diagnosis #nephrology
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
after renal tubule ... diuretic effect ... generally indicates a renal ... furosemide-like lesion) • Gitelman ... Diagnosis #Causes #nephrology
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic Alkalosis ... Chloridorrhea Renal ... • Penicillins Renal ... tubular transport • Diuretics ... MetabolicAlkalosis #NonGap #Nephrology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Gitelman Syndrome ... with thiazide diuretic ... • Hypokalemia (renal ... , Renal tubular ... #nephrology #management