14 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
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... Subepicardial atrial ... findings: Sinus ... #AVR #leadAVR #ecg ... #cardiology
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
Approach to ECGs ... is positive in aVR ... Fusion beats - a sinus ... #Comparison #VentricularTachycardia ... #cardiology #diagnosis
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
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 - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 100 Wide (1) VT ... (3) SVTs - atrial ... #EKG #diagnosis ... electrocardiogram #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... all leads except aVR ... variant), Amplitude ... Interpretation #ECG ... #diagnosis #system
Ectopic atrial rhythm
 • The atrial rate is less than 100 bpm.
 • PR interval within
interval within the normal ... P wave during sinus ... #rhythm #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
deflection not AVRT ... • Sinus Tachy ... • Atrial Flutter ... Regular: Assume VT ... #wide #narrow #algorithm