13 results
Antiarrhythmic Drugs

CLASS IA
 • Procainamide, Quinidine, Disopyramide
CLASS 1B
 • Lidocaine, Mexiletine
CLASS 2
 • Propranolol, Esmolol
CLASS 4
Disopyramide CLASS ... Adenosine, Magnesium, Potassium ... #Medications #Classes ... #Classification ... #Pharmacology #cardiology
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
- Anorexia GI Losses ... type 4) - Salt wasting ... Diagnosis #Low #Potassium ... #Table #Classification ... #Causes
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Differential Diagnosis Algorithm ... aberrancy • Pacemaker-facilitated ... Differential #Diagnosis #Algorithm ... #Causes #cardiology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... treated with IV potassium ... from other causes ... suggests extra-renal causes ... #differential #potassium
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... 3 - Potassium Channel ... inotropy) ACCP Cardiology ... #Classes #pathophysiology ... #phases #cardiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... 3 - Potassium Channel ... inotropy) ACCP Cardiology ... #Classes #pathophysiology ... #cardiology
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Differential Diagnosis Algorithm ... Block • Pacemaker ... Syndrome #Syncope #Cardiology ... Differential #Diagnosis #Algorithm ... #causes
STAGES of CHF (A, B, C, D), however, describe the severity of structural abnormalities that impair
flare ups that cause ... class III and class ... biventricular pacemaker ... #Management #Cardiology ... Stages #ACCAHA #Algorithm
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... Pointes if in a setting ... tachyarrhythmias #Cardiology ... Differential #Diagnosis #Algorithm ... #causes
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Limited laboratory testing ... twitching CARDIAC CAUSES ... Nonarrhythmic Cardiac Causes ... NON-CARDIAC CAUSES ... #Palpitations #Cardiology