12 results
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
A urine K/Cr ratio ... • Diarrhea A urine ... Bartter syndrome, Gitelman ... #Hypokalemia #diagnosis ... #nephrology #low
Gitelman Syndrome Pathophysiology
Gitelman Syndrome is a rare autosomal recessive salt-losing tubulopathy with a prevalence of 1-
in the distal tubule ... nephron → - ↑ K+ ... → Hypokalemia Metabolic ... Pathophysiology #nephrology ... #diagnosis
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Urine K+ <13 mEq ... Bartter syndrome, Gitelman ... #potassium #differential ... #algorithm #diagnosis ... #nephrology
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
you work up an ischemic ... suspicion) • +/- bubble ... #CVA #stroke #workup ... #diagnosis #checklist ... #neurology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Bartter syndrome, Gitelman ... in the proximal tubule ... of sodium and potassium ... #Algorithm #nephrology ... #differential #diagnosis
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
: Differential Diagnosis ... furosemide-like lesion) • Gitelman ... other • Severe potassium ... #Differential #Diagnosis ... #Causes #nephrology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
distal convoluted tubule ... Hypochloremic metabolic ... Hypocalciuria (spot urine ... #Syndrome #diagnosis ... #nephrology #management
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Differential Diagnosis ... burns, trauma - Ischemic ... infusions) - Metabolic ... #causes #potassium ... #high #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Differential Diagnosis ... • Recent IV potassium ... burns, trauma - Ischemic ... infusions) - Metabolic ... #high #nephrology
Gitelman Syndrome - Diagnosis and Workup
Blood Work:
 - Hypokalemia
 - Hypomagnesemia
 - Metabolic Alkalosis
 - Elevated
Gitelman Syndrome ... Hypomagnesemia - Metabolic ... Elevated Renin Urine ... Inappropriate renal K+ ... #Workup #nephrology