10 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Normal Acid-Base: Low ... Gl tract loss (Diarrhea ... Bartter syndrome, Gitelman ... Algorithm #causes #potassium ... #low #nephrology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Transcellular Shift: • Alkalosis ... losses (NG suction, diarrhea ... vomiting) • Low ... Diagnosis #Algorithm #nephrology ... #low #potassium
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Laxative use • Diarrhea ... consumption • Low ... - Metabolic Alkalosis ... Bartter syndrome, Gitelman ... #nephrology #low
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Congenital chloride diarrhea ... • Normal/low ... Bartter syndrome, Gitelman ... of sodium and potassium ... urine #Algorithm #nephrology
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
NG drainage - Diarrhea ... Catecholamines - Alkalosis ... Differential #Diagnosis #Low ... #Potassium #Table ... #Classification
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
• Normal or low ... Hypokalemia (renal potassium ... Congenital chloride diarrhea ... Supplement: • Potassium ... Syndrome #diagnosis #nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
the basis of the potassium-to-creatinine ... Gastrointestinal loss: Diarrhea ... Bartter syndrome, Gitelman ... hypokalemia #urine #potassium ... algorithm #diagnosis #nephrology
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Decreased Intake: • Low ... - Metabolic alkalosis ... NGT suction - Diarrhea ... - Bartter - Gitelman ... Pathophysiology #Nephrology
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic Alkalosis ... Chloride-rich diarrhea ... furosemide-like lesion) • Gitelman ... other • Severe potassium ... Diagnosis #Causes #nephrology
Causes of Hypokalemia
I. Decreased intake
   A. Starvation
   B. Clay ingestion
II. Redistribution into
Metabolic alkalosis ... Gastrointestinal loss (diarrhea ... Increased secretion of potassium ... Differential #Diagnosis #Low ... #Potassium #Classification