55 results
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... - Na+ Channel Blockade ... Beta Receptor Blockade ... VaughanWilliams #Classification ... #Classes #cardiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... 1B: Weak Blockade ... 3 - Potassium Channel ... #Pharmacology #Classification ... #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 Drugs

CLASS IA
 • Procainamide, Quinidine, Disopyramide
CLASS 1B
 • Lidocaine, Mexiletine
CLASS 2
 • Propranolol, Esmolol
CLASS 4
Antiarrhythmic Drugs CLASS ... Disopyramide CLASS ... Adenosine, Magnesium, Potassium ... #Medications #Classes ... #Classification
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... 1B: Weak Blockade ... 3 - Potassium Channel ... #Pharmacology #Classification ... #Classes #pathophysiology
Causes of Hyperkalemia - Differential Diagnosis Algorithm
 • Increased Intake
 • Reduced Excretion (IV potassium with
Causes of Hyperkalemia ... Differential Diagnosis Algorithm ... Excretion (IV potassium ... Differential #Diagnosis #Algorithm ... #Causes
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Differential Diagnosis Algorithm ... Differential #Diagnosis #Algorithm ... #causes #potassium ... #high #pathophysiology
A priority in this project was to appropriately stratify participants into a low, medium, or high-intensity
group-based exercise class ... The classification ... developed by the CDC ... The algorithm is ... developed by the CDC
Hemolysis Classification - Intrinsic and Extrinsic Causes

Commentary: Another way to think of immune hemolysis would be
Hemolysis Classification ... and Extrinsic Causes ... autoimmune (most of the causes ... Differential #Diagnosis #Causes ... #Algorithm
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Extra-renal Losses ... Diarrhea) Renal Losses ... Differential #Diagnosis #Algorithm ... #causes #potassium