12 results
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
wasting from other causes ... A urine K/Cr ratio ... • Diarrhea A urine ... Bartter syndrome, Gitelman ... differential #potassium #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Low intake • Metabolic ... Bartter syndrome, Gitelman ... Diagnosis #Algorithm #causes ... potassium #low #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... (late) • High Urine ... Bartter Syndrome, Gitelman ... Diagnosis #Algorithm #Nephrology ... #Causes
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Gitelman Syndrome ... hypomagnesemia • Metabolic ... Hypochloremic metabolic ... Hypocalciuria (spot urine ... Syndrome #diagnosis #nephrology
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... red - cells Non-glomerular ... also be seen if urine ... crystals may indicate metabolic ... key #diagnosis #nephrology
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
- Bartter - Gitelman ... inversely related to glomerular ... rate by tubulo-glomerular ... metabolic acidosis ... Pathophysiology #Nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Bartter syndrome, Gitelman ... LiCl use The urine ... Urine chloride is ... the indicated causes ... #Algorithm #nephrology
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... volume contracted: urine ... furosemide-like lesion) • Gitelman ... Differential #Diagnosis #Causes ... #nephrology
Gitelman Syndrome - Diagnosis and Workup
Blood Work:
 - Hypokalemia
 - Hypomagnesemia
 - Metabolic Alkalosis
 - Elevated
Gitelman Syndrome ... Blood Work: - Hypokalemia ... Hypomagnesemia - Metabolic ... Elevated Renin Urine ... Diagnosis #Workup #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... (late) • High Urine ... Bartter Syndrome, Gitelman ... Diagnosis #Algorithm #Nephrology ... #Causes