18 results
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 in AVNRT on Neck Physical Exam

69 year old female patient comes with a
... regular cannon ... a waves in AVNRT ... EMdoc14 #CannonA #AWaves ... #AVNRT #Neck #PhysicalExam ... #JVP #Cardiology
Lancisi's sign in Severe Tricuspid Regurgitation - Physical Exam
Note the large systolic jugular venous wave caused
large systolic jugular ... venous wave caused ... #PhysicalExam # ... Cardiology #Neck ... #Jugular #JVP
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Abnormal Jugular ... tamponade #Abnormal #Jugular ... #Waveforms #JVP ... Differential #Diagnosis #PhysicalExam ... #cardiology
Lancisi's Sign on Neck Examination in Severe Tricuspid Regurgitation

Semiology of severe tricuspid insufficiency : venous pulse
Severe Tricuspid Regurgitation ... of the jugular ... #Neck #JVP #Clinical ... #Video #PhysicalExam ... #Cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
vs SVT (AVNRT, ... AFIutter) • P-waves ... > SVT+conduction ... whether AF is cause ... #cardiology
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Caused by atrial ... activation from SVT ... (e.g., junctional ... #diagnosis #cardiology ... #CVP
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
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
Jugular Waveform Components 
 • a wave - due to atrial contraction: It occurs just before
Jugular Waveform ... • c wave - caused ... #Waves #Jugular ... #Waveforms #JVP ... #PhysicalExam #cardiology