14 results
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
AV Block (ISt ... Tachycardia • Aflutter ... AVNRT • AVRT ... with Variable AV ... #Algorithm #causes
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... • AV nodal reentrant ... tachycardia • AV ... #Algorithm #Causes ... #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
rhythms (5) AV ... QRS - Proximal AV ... block (lower AV ... block - ventricular ... #EKG #diagnosis
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
of Ventricular ... Tachycardia (VT) ... AV indicates atrioventricular ... #Electrocardiogram ... #Diagnosis #Cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Syndrome (SSS) • AV ... Tachycardia (MAT) • AV ... node: AV re-entrant ... ), AV nodal re-entrant ... #Causes #cardiology
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
Degree AV Block ... until a P wave (ventricular ... #heartblock #cardiology ... #ecg #ekg #diagnosis ... #electrocardiogram
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
morphology ● AV ... Brugada algorithm ... AV dissociation ... #Comparison #Diagnosis ... #Cardiology
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
(> 160ms) - AV ... - a sinus and ventricular ... #Comparison #VentricularTachycardia ... #cardiology #diagnosis ... #electrocardiogram
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
cardioversion • If known SVT ... WPW) - Avoid AV ... diltiazem or B-blockers ... Treatment #management #cardiology ... #algorithm
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
VFib • AFib/AFlutter ... • AVNRT/AVRT ... 2nd/3rd degree AV ... Block • Pacemaker ... #Algorithm #causes