37 results
Antiarrhythmic Drugs

CLASS IA
 • Procainamide, Quinidine, Disopyramide
CLASS 1B
 • Lidocaine, Mexiletine
CLASS 2
 • Propranolol, Esmolol
CLASS 4
Antiarrhythmic Drugs ... Adenosine, Magnesium, Potassium ... #Antiarrhythmic ... Classification #Pharmacology
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
• Increased EC shift ... #hyperkalemia #differential ... #diagnosis #pathophysiology ... #pharmacology # ... potassium #medications
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Hypokalemia - Differential ... Transcellular Shift ... #Hypokalemia #Differential ... Algorithm #causes #potassium ... #low #pathophysiology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Transcellular Shift ... Transcellular shifts ... #Hypokalemia #Differential ... nephrology #low #potassium
Causes of Hyperkalemia - Differential Diagnosis Algorithm
 • Increased Intake
 • Reduced Excretion (IV potassium with
Hyperkalemia - Differential ... Excretion (IV potassium ... Transcellular Shift ... Hyperkalemia #Nephrology #Differential
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockers⠀
Class II
Antiarrhythmic Medications ... Class III agents - Potassium ... EricsMedicalLectures/ #Antiarrhythmic ... Summary #Table #pharmacology
Class III Antiarrhythmics - Potassium Channel Blockers - Indications and Side Effects
Amiodarone
 • Suppression of VT
Class III Antiarrhythmics ... - Potassium Channel ... EricsMedicalLectures/ #ClassIII #Antiarrhythmics ... #Potassium #Channel ... #Blockers #pharmacology
Drugs affecting the cardiac action potential. The sharp rise in voltage ("0") corresponds to the influx
repolarizing eflux of potassium ... #Pathophys #Pharmacology ... #Cardiology #Antiarrhythmics
Drugs that Impair Renal Potassium Excretion 

Decreased ENaC channel function: Amiloride, Triamterene, Pentamidine
Decreased Aldosterone Synthesis: Heparin,
that Impair Renal Potassium ... #Hyperkalemia #Pathophysiology ... #Pharmacology # ... Impaired #Potassium
Causes of Hyperkalemia

Hyperkalemia is caused by excess potassium intake, impaired potassium excretion, or transcellular shifts. The
caused by excess potassium ... intake, impaired potassium ... transcellular shifts ... adapt to excess potassium ... #Hyperkalemia #Differential