12 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... intake • Metabolic ... #Differential # ... Algorithm #causes #potassium ... #low #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... consumption • Low ... diagnosis #Algorithm #differential ... #potassium #nephrology ... #low
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
Classification of ... Obstructive uropathy, Metabolic ... causes (e.g., hypokalemia ... #Types #Nephrology ... #Diagnosis #Differential
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... (Uncontrolled diabetes ... infusions) - Metabolic ... #differential # ... #high #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... (Uncontrolled diabetes ... infusions) - Metabolic ... #differential # ... #high #nephrology
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Non-anion Gap Metabolic ... Ketoacidosis: Diabetic ... Potassium-sparing ... aniongap #NonGap #Metabolic ... #Acidosis #differential
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
alkalosis • Normal/low ... acidosis • Diabetic ... of sodium and potassium ... urine #Algorithm #nephrology ... #differential #
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
alkalosis • Normal or low ... (renal potassium ... Hypochloremic metabolic ... ratio 0.5%) Differential ... Supplement: • Potassium
Causes of Hypokalemia
I. Decreased intake
   A. Starvation
   B. Clay ingestion
II. Redistribution into
Metabolic alkalosis ... Increased secretion of potassium ... #Differential # ... Diagnosis #Low # ... Potassium #Classification
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
Diabetes, diabetic ... Drug-associated: heparin, low-molecular-weight ... #Differential # ... Diagnosis #High #Potassium ... #Classification