10 results
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
Canon A waves in ... #Awaves #waves ... #AV #dissociation ... clinical #video #JVP ... #jugular #neck
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
Cannon A Waves in ... AVNRT on Neck Physical ... ... regular cannon ... a waves in AVNRT ... #AWaves #AVNRT
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
Cannon A Waves on ... Cannon a waves ... AV dissociation ... : 3rd deg AV block ... #AWaves #Neck #
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... waves are enough ... #Awaves #AVNRT ... #PhysicalExam #JVP ... #Cardiology #Neck
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... a wave usually occurs ... , it indicates AV ... #AWaves #diagnosis ... #cardiology #CVP
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 ... a waves”! ... a waves? ... #AWaves #Complete
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Abnormal Jugular ... atrioventricular block ... pulmonic stenosis - Cannon ... dissociation, ventricular ... #Waveforms #JVP
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
blocks) - ECG Diagnosis ... wave is normal ... group-beating" on the ECG ... intervals are regular ... #ecg #diagnosis
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
non-conducted P wave ... Non-conducted P waves ... • Block in AV ... degrees #summary #Diagnosis ... #ecg #cardiology
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 ... • Rapid and regular ... Valvular disease (e.g ... bending over: AVNRT