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

Why PVCs?  Can be the first manifestation of cardiac
Complexes (PVC's ... Bundle branch block ... capture of the atria ... arrhythmia • Atrial ... #Complexes #PVCs
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
rhythm, Conduction blocks ... system: Conduction blocks ... Contractions (PACs ... Contractions (PVC ... Differential #Diagnosis #Causes
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
unusually slow ventricular ... Fibrillation with Complete ... Heart Block and ... Bidirectional Ventricular ... cardiology #ecg #ekg #electrocardiogram
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
of a Premature Atrial ... Complex • PAC ... • PAC can be blocked ... #PACs #cardiology ... diagnosis #ekg #ecg #electrocardiogram
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Differential Diagnosis Algorithm ... • Monomorphic ventricular ... Differential #Diagnosis #Algorithm ... #Causes #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Pacemaker 3rd Degree, Complete ... P and QRS • Atrial ... rate > Ventricular ... HeartBlocks #Types #Classification ... Diagnosis #EKG #electrocardiogram
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... Syndrome • SA Block ... • AV Block (ISt ... • Premature ventricular ... #causes
Cannon A Waves of Complete Heart Block on Physical Exam
A patient presented to clinic with lightheadedness
Heart Block on ... occurs during ventricular ... When the atrium ... heart block (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
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
preceding each QRS complex ... until a P wave (ventricular ... complex) is dropped ... independently of the atria ... ekg #diagnosis #electrocardiogram