36 results
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Syndrome (SSS) • AV ... Tachycardia (FAT ... Tachycardia (MAT ... ) • AV node: AV ... (AVRT), AV nodal
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... Subepicardial atrial ... , atrial tachycardia ... tachycardia (SVT ... #differential #cardiology
De Winter T-Waves on EKG
 - Anterior OMI
 - 2% of left anterior descending occlusions
 -
on EKG - Anterior ... may come before ... elevation in aVR ... (>1mm) at J point ... #diagnosis #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
tachycardia (MAT ... rhythms (5) AV ... QRS - Proximal AV ... block (lower AV ... Wide QRS - Distal AV
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Tachycardia (MAT ... 3 different P wave ... "PSVT" (atrioventricular ... retrograde) - AVNRT, AVRT ... diagnosis #causes #cardiology
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
• Caused by atrial ... , it indicates AV ... activation from SVT ... (e.g., junctional ... #diagnosis #cardiology
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
AV dissociation ... : 3rd deg AV block ... for DDI and an atrial ... tachycardia much ... Clinical #Video #Cardiology
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
SVT - Wide Tachycardias ... (> 160ms) - AV ... #Comparison #VentricularTachycardia ... #Versus #ecg #ekg ... #cardiology #diagnosis
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Visual Guide to AV ... Pathophysiology - Dual AV ... stays inside the AV ... Visualmedapp #AV ... #SVT
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
of Ventricular Tachycardia ... (VT) AV indicates ... block; RWPT, R wave ... #VTach #ECG #EKG ... Electrocardiogram #Diagnosis #Cardiology