18 results
Antiarrhythmic Drugs

CLASS IA
 • Procainamide, Quinidine, Disopyramide
CLASS 1B
 • Lidocaine, Mexiletine
CLASS 2
 • Propranolol, Esmolol
CLASS 4
Antiarrhythmic Drugs CLASS ... Disopyramide CLASS ... Lidocaine, Mexiletine CLASS ... Adenosine, Magnesium, Potassium ... #Classification
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
: CLASS 1 - Sodium ... duration: - CLASS ... duration - CLASS ... 3 - Potassium Channel ... #Classes #pathophysiology
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockers⠀
Class II
Summary Table Class ... Channel Blockers⠀ Class ... agents in this class ... beta blockers.⠀ Class ... III agents - Potassium
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
and Pathophysiology ... increase. 2) The Na/Ca ... increase, the Na+2/Ca ... intracellular calcium causes ... #Pharmacology #Pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
: CLASS 1 - Sodium ... duration - CLASS ... duration - CLASS ... & AP duration CLASS ... #Classes #pathophysiology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... Differential #Diagnosis #Algorithm ... #causes #potassium ... #low #pathophysiology
Antiarrhythmic Medications - Vaughan-Williams Classification
 • Class I (Ia, Ib, Ic)
 • Class II
 • Class
Class I (Ia ... , Ib, Ic) • Class ... II • Class III ... • Class IV ... drugs: Adenosine, Digoxin
Antiarrhythmic Medications - Vaughan-Williams Classification
 • Class I (Ia, Ib, Ic)
 • Class II
 • Class
Class I (Ia ... , Ib, Ic) • Class ... II • Class III ... • Class IV ... drugs: Adenosine, Digoxin
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Extra-renal Losses ... Proximal and distal RTA ... Differential #Diagnosis #Algorithm ... #causes #potassium
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... treated with IV potassium ... , Distal RTA, DKA ... Hypokalemia #diagnosis #Algorithm ... #differential #potassium