19 results
Cannon A Waves of Complete Heart Block on Physical Exam
A patient presented to clinic with lightheadedness
Cannon A Waves of ... is shown on the neck ... The a wave is the ... UCSFIMChiefs #CannonA #AWaves ... Clinical #Video #JVP
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
contraction of atria ... msocoMD #CanonA #Awaves ... #waves #AV #dissociation ... clinical #video #JVP ... #jugular #neck
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • The cannon a wave ... , it indicates AV ... activation from SVT (e.g ... 2LmUODZ #Cannon #AWaves
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
Cannon A Waves on ... Cannon a waves ... for DDI and an atrial ... VivekKulkarniMD #CannonA #AWaves ... #JVP #Clinical
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
complex (PAC) - ... and altered P wave ... • P wave will ... like the sinus P wave ... • P wave will
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... In AVNRT, the atria ... rapid cannon a waves ... Hussainch #Cannon #Awaves ... #PhysicalExam #JVP
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval < 120 ms = AV ... (e.g. ectopic atrial ... Lose P • 3° Complete ... through) QRS Complex ... Interpretation #ECG
Lancisi's Sign (Tricuspid Regurgitation) in a patient with Atrial Fibrillation

If you went to med school before
a patient with Atrial ... obscenely huge waves ... it giant A or V wave ... #Fibrillation #Neck ... #JVP #Clinical
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
blocks) - ECG Diagnosis ... Block • The P wave ... group-beating" on the ECG ... or PVC, acceleration ... #ecg #diagnosis
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
200 msec) • P wave ... intervals until a P wave ... absent, P waves ... independently of the atria ... heartblock #cardiology #ecg