12 results
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
PR interval are normal ... Wandering Atrial ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... #comparison
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
- Differential Diagnosis ... Algorithm Bradyarrhythmia ... Escape Rhythm Abnormal ... • Monomorphic VT ... #Algorithm #causes
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
PR interval are normal ... Wandering Atrial ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... #comparison
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 100 Wide (1) VT ... 200ms from longer pause ... #EKG #diagnosis ... electrocardiogram #cardiology
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
sinus beat that ... sinus beat and ... Brugada algorithm ... Aberration #Aberrancy #Comparison ... #Diagnosis #Cardiology
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
Approach to ECGs ... Fusion beats - a sinus ... #Comparison #VentricularTachycardia ... #Versus #ecg #ekg ... #cardiology #diagnosis
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
- Differential Diagnosis ... Palpitations Diagnosis ... exam • 12-lead ECG ... rhythms: PSVT or VT ... #Palpitations #Cardiology
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
- Differential Diagnosis ... Algorithm Unequal ... Takayasu disease • Normal ... variant Pulsus ... #Algorithm #causes
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
heart disease Causes ... (≥ 0.12s) with abnormal ... capture of the atria ... tachycardia • Sinus ... arrhythmia • Atrial
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Pacemaker: VARIANT ... OF SINUS ARRHYTHMIA ... focus from the sinus ... #cardiology #ekg ... #comparison