17 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
• Normal Acid-Base ... • HTN, High Aldosterone ... , Gitelman syndrom ... #causes #potassium ... #low #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Diagnosis Algorithm ... (late) • High ... , Gitelman Syndrome ... #Nephrology #Causes
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Diagnosis Algorithm ... >20 mEq/24 h - Diuretics ... , Gitelman's syndrome ... #nephrology #causes ... #low #potassium
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
urinary losses: • High ... , Gitelman syndrome ... #Hypokalemia #diagnosis ... #Algorithm #differential ... #potassium #nephrology
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... tubular transport • Diuretics ... Hypomagnesemia • Barrter's/Gitelman's ... Licorice • Liddle's Syndrome ... MetabolicAlkalosis #NonGap #Nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
, Gitelman syndrome ... the indicated causes ... urine #Algorithm #nephrology ... #differential # ... diagnosis
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Gitelman Syndrome ... ratio 0.5%) Differential ... #Syndrome #diagnosis ... #nephrology #management ... #pathophysiology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Diagnosis Algorithm ... (late) • High ... , Gitelman Syndrome ... #Nephrology #Causes
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... furosemide-like lesion) • Gitelman ... other • Severe potassium ... #Diagnosis #Causes ... #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• K sparing diuretics ... Medications 2. ... #diagnosis #causes ... #potassium #high ... #nephrology