12 results
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Algorithm Cl- ... Bartter syndrome, Gitelman ... of sodium and potassium ... #urine #Algorithm ... #nephrology #differential
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
A urine K/Cr ratio ... Laxative use • Diarrhea ... - Metabolic Alkalosis ... Bartter syndrome, Gitelman ... #nephrology #low
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Alkalosis - Differential ... Diagnosis Algorithm ... (late) • High Urine ... Bartter Syndrome, Gitelman ... #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Alkalosis - Differential ... Diagnosis Algorithm ... Bartter Syndrome, Gitelman ... #Nephrology #Causes
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Acidosis - RTA - Diarrhea ... Metabolic alkalosis ... Primary hyperaldo ... Diagnosis #Causes #Workup ... #Nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Gl tract loss (Diarrhea ... secreting tumor, Primary ... Bartter syndrome, Gitelman ... #causes #potassium ... #low #nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... Gastrointestinal loss: Diarrhea ... Bartter syndrome, Gitelman ... #algorithm #diagnosis ... #nephrology
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Chloride-rich diarrhea ... > 20 meq/L • Primary ... furosemide-like lesion) • Gitelman ... other • Severe potassium ... Diagnosis #Causes #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... leukemia Measure Urine ... Malabsorption, Chronic diarrhea ... Glucose, Acute resp. alkalosis ... #phosphate #nephrology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Hypokalemia (renal potassium ... Hypocalciuria (spot urine ... Congenital chloride diarrhea ... Supplement: • Potassium ... Syndrome #diagnosis #nephrology