11 results
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Multifocal Atrial ... 3 different P wave ... retrograde) - AVNRT ... #differential #diagnosis ... #causes #cardiology
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
AVNRT on Neck Physical ... shown , what’s the diagnosis ... EMdoc14 #CannonA #AWaves ... #AVNRT #Neck #PhysicalExam ... #JVP #Cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
transmitted to JV ... are enough to diagnose ... the case as Typical ... #AVNRT #PhysicalExam ... #JVP #Cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential Diagnosis ... (FAT), Multifocal ... (AVNRT) • Ventricles ... #Differential #Diagnosis ... #Causes #cardiology
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
and an atrial tachycardia ... VivekKulkarniMD #CannonA #AWaves ... #Neck #PhysicalExam ... #JVP #Clinical ... #Video #Cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
- Differential Diagnosis ... Aflutter • AVNRT ... Conduction • Multifocal ... tachyarrhythmias #Cardiology ... #Algorithm #causes
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
- Differential Diagnosis ... fibrillation, sinus tachycardia ... Jugular #Waveforms #JVP ... #PhysicalExam # ... cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Diagnosis Table ... • ST vs SVT (AVNRT ... AFIutter) • P-waves ... #Differential #Diagnosis ... #cardiology
Giant A waves caused by pulmonary HTN. There are two clearly discernible descents (X and Y)
Giant A waves caused ... have elevated JVP ... the underlying diagnosis ... #Neck #PhysicalExam ... Clinical #Video #Cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
- Differential Diagnosis ... sinus syndrome) • Multifocal ... maneuvers: SVT-AVNRT ... bending over: AVNRT ... #Palpitations #Cardiology