225 results
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Phase I - Initial Repolarization ... Delays ventricular repolarization ... - Ventricular Repolarization ... Classification: CLASS ... CLASS 3 - Potassium
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Classification: CLASS ... prolong AV node repolarization ... CLASS 3 - Potassium ... interval (delays time repolarization ... prolong AV node repolarization
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic algorithm ... Decreased renal potassium ... excretion • Acute ... Hyperkalemia #Diagnosis #algorithm ... #nephrology #potassium
Causes of Hyperkalemia - Differential Diagnosis Algorithm
 • Increased Intake
 • Reduced Excretion (IV potassium with
Differential Diagnosis Algorithm ... Excretion (IV potassium ... #Hyperkalemia #Nephrology ... Differential #Diagnosis #Algorithm ... #Causes
Differential Diagnosis of Acute Kidney Injury 

#Diagnosis #Nephrology #AKI #Acute #KidneyInjury #Causes #Differential #Workup #Algorithm #Ddxof
Differential Diagnosis of Acute ... #Diagnosis #Nephrology ... #AKI #Acute #KidneyInjury ... #Causes #Differential ... #Workup #Algorithm
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Extra-renal Losses ... Differential #Diagnosis #Algorithm ... #causes #potassium ... #low #nephrology
Hypernatremia Management Algorithm
Acute vs Chronic
Calculate Losses
 • Current water Deficit
 • Ongoing Free water Losses
 •
Hypernatremia Management Algorithm ... Acute vs Chronic ... Calculate Losses ... Hypernatremia #Management #Algorithm ... #treatment #nephrology
Hypokalemia Differential Diagnosis Algorithm using Urine Potassium to Creatinine Ratio

#Hypokalemia #Differential #Diagnosis #Algorithm #Potassium #Creatinine #Ratio
Differential Diagnosis Algorithm ... using Urine Potassium ... Differential #Diagnosis #Algorithm ... #Potassium #Creatinine ... #Ratio #nephrology
Emergency management of severe hyperkalemia

#hyperkalemia #management #algorithm #nephrology #Potassium #Treatment
hyperkalemia #management #algorithm ... #nephrology #Potassium
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Differential Diagnosis Algorithm ... : • GI losses ... Differential #Diagnosis #Algorithm ... #nephrology #low ... #potassium