9 results
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
Canon A waves in ... dissociation ... #AV #dissociation ... #jugular #neck ... #cardiology #Canon
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
Cannon A Waves on ... Cannon a waves ... Cannon a waves indicate ... AV dissociation ... #AWaves #Neck #
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... Atrioventricular dissociation ... dissociation + ... #AWaves #diagnosis ... #cardiology #CVP
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
Cannon A Waves in ... ... regular cannon ... a waves in AVNRT ... #AWaves #AVNRT ... #JVP #Cardiology
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Abnormal Jugular ... pulmonic stenosis - Cannon ... dissociation, ventricular ... #JVP #Differential ... #cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... waves are enough ... to diagnose the ... #Awaves #AVNRT ... #Cardiology #Neck
Abnormal Jugular Venous Pressure (JVP) Algorithm
Outward Wave / Peak
 • With Every Beat
Abnormal Jugular ... Algorithm Outward Wave ... with Every Beat - Cannon ... 'A' Inward Wave ... #cardiology #physicalexam
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
non-conducted P wave ... Brady Management ... Non-conducted P waves ... degrees #summary #Diagnosis ... #ecg #cardiology
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
(> 160ms) - AV ... dissociation (P ... nadir of the S-wave ... nadir of the S-wave ... #ekg #cardiology