18 results
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Premature Ventricular ... Bundle branch block ... capture of the atria ... arrhythmia • Atrial ... #Premature #Ventricular
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
rhythm, Conduction blocks ... system: Conduction blocks ... • Ventricles: Ventricular ... Contractions (PACs ... Contractions (PVC
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
unusually slow ventricular ... Complete Heart Block ... Tachycardia with 2:1 AV Block ... Bidirectional Ventricular ... cardiology #ecg #ekg #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
P and QRS • Atrial ... rate > Ventricular ... Regular ventricular ... HeartBlocks #Types #Classification ... Diagnosis #EKG #electrocardiogram
Cannon A Waves of Complete Heart Block on Physical Exam
A patient presented to clinic with lightheadedness
Complete Heart Block ... in CVP due to atrial ... occurs during ventricular ... When the atrium ... (2) VT (3) PAC/PVCs
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• The ventricular ... aka Ventricular ... PAC or PVC, acceleration ... ecg #diagnosis #electrocardiogram ... #classification
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Phases: Phase 0 - Ventricular ... • Atrial depolarization ... contraction of atrial ... Vaughan Williams Classification ... #Pharmacology #Classification
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
of a Premature Atrial ... • PAC can be blocked ... #PACs #cardiology ... diagnosis #ekg #ecg #electrocardiogram ... #premature #atrial
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... Syndrome • SA Block ... • AV Block (ISt ... Escape Rhythm • Ventricular ... • Premature ventricular
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
tachycardia (2) Atrial ... (3) SVTs - atrial ... (3) Multifocal atrial ... - ventricular pacemaker ... EKG #diagnosis #electrocardiogram