14 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Syndrome • HTN, High ... Diagnosis #Algorithm #causes ... #potassium #low ... #nephrology
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... Hemolysis • Rhabdomyolysis ... lysis syndrome • Metabolic ... acidosis • Succinylcholine ... glycosides • High
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
urinary losses: • High ... acidosis: Proximal ... diagnosis #Algorithm #differential ... #potassium #nephrology ... #low
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Causes of High-anion ... Acidosis Causes ... Potassium-sparing ... #Acidosis #differential ... #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... acidosis - Hyperkalemia ... diagnosis #causes ... #potassium #high ... #nephrology
Potassium-Binding Agents to Treat Hyperkalemia
Sodium zirconium cyclosilicate (Lokelma):
 • Mechanism: Preferentially captures K in exchange for
Potassium-Binding ... patients sensitive to high ... #Binding #Hyperkalemia ... #medications #pharmacology ... #table #comparison
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... acidosis - Hyperkalemia ... diagnosis #causes ... #potassium #high ... #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
alkalosis • Normal/low ... the indicated causes ... acidosis, a high ... of sodium and potassium ... #differential #
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Loss of sodium/Potassium ... • Labs: - Metabolic ... acidosis - Rhabdomyolysis ... High body temperatures ... #diagnosis #causes
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
alkalosis • Normal or low ... ratio 0.5%) Differential ... Renal tubular acidosis ... • Seizures • Rhabdomyolysis ... Syndrome #diagnosis #nephrology