13 results
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
tricuspid valve • Atrioventricular ... , it indicates AV ... activation from SVT (e.g ... #diagnosis #cardiology ... #CVP
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
the atria and ventricles ... EKG of the same ... are enough to diagnose ... #JVP #Cardiology ... #Neck #Frog #Sign
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
AVNRT on Neck Physical ... s the clinical sign ... shown , what’s the diagnosis ... #AVNRT #Neck #PhysicalExam ... #JVP #Cardiology
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
a patient with AV ... contraction of atria ... #waves #AV #dissociation ... clinical #video #JVP ... #jugular #neck
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
Neck Examination ... AV dissociation ... : 3rd deg AV block ... for DDI and an atrial ... #JVP #Clinical
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
- Differential Diagnosis ... - Atrioventricular ... dissociation, ventricular ... Jugular #Waveforms #JVP ... #Differential #Diagnosis
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... Subepicardial atrial ... : Differential diagnosis ... Atrioventricular ... , AVRT, atrial tachycardia
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
Atrioventricular ... independently of the atria ... dissociation and ... heartblock #cardiology #ecg ... #ekg #diagnosis
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
Approach to ECGs ... (> 160ms) - AV ... dissociation (P ... VentricularTachycardia #Versus #ecg ... #diagnosis #electrocardiogram
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
in the chest or neck ... exam • 12-lead ECG ... caused by advanced atrioventricular ... Valvular disease (e.g ... bending over: AVNRT