17 results
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
• SA Block • AV ... Aflutter • AVNRT ... with Variable AV ... tachyarrhythmias #Cardiology ... Diagnosis #Algorithm #causes
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
vs SVT (AVNRT, ... AFIutter) • P-waves ... whether AF is cause ... abnormality • Beware AV ... #cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... to diagnose the case ... Hussainch #Cannon #Awaves ... #AVNRT #PhysicalExam ... #JVP #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
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
3 different P wave ... "PSVT" (atrioventricular ... retrograde) - AVNRT ... differential #diagnosis #causes ... #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
- In most case ... ECG usually shows ... : regular narrow ... Pathophysiology #cardiology ... #SVT
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
, or, as this case ... dual-chamber PPM set ... VivekKulkarniMD #CannonA #AWaves ... #Neck #PhysicalExam ... Clinical #Video #Cardiology
Supraventricular Tachycardia EKG

Here’s a great ECG case of a 50-year-old lady who presented with palpitations

Her heart
case of a 50-year-old ... distinguishing QRS from T wave ... consistent with SVT ... @EM_RESUS #AVRT ... #Cardiology #EKG
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
DANGER Narrow - Regular ... 3 different P waves ... 200ms from longer pause ... #EKG #diagnosis ... electrocardiogram #cardiology
Lancisi’s Sign in Severe Tricuspid Regurgitation

A large venous wave, or Giant V wave, is visible in
A large venous wave ... , or Giant V wave ... It is caused by ... #PhysicalExam # ... #Cardiology