10 results
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
Canon A waves in ... venous system seen ... wave in the JV. ... #Awaves #waves ... #JVP #jugular #
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
Cannon A Waves on ... a waves! ... Cannon a waves indicate ... : 3rd deg AV block ... #Cardiology
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... a wave usually ... , it indicates AV ... #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 ... EMdoc14 #CannonA #AWaves ... #Cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... EKG of the same ... rapid cannon a ... waves are enough ... #Awaves #AVNRT
Abnormal Jugular Venous Pressure (JVP) Algorithm
Outward Wave / Peak
 • With Every Beat
Outward Wave / ... Fusion of Lancisi Sign ... with Every Beat - Cannon ... 'A' Inward Wave ... #Jugular #Venous
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Venous Pressure ... - Absent a wave ... pulmonic stenosis - Cannon ... a waves - Atrioventricular ... #Waveforms #JVP
Giant A waves caused by pulmonary HTN. There are two clearly discernible descents (X and Y)
Giant A waves caused ... has Kussmaul's sign ... you see in the venous ... the underlying diagnosis ... #Cardiology
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
but the P wave ... relationship with the R wave ... it is driven by a ... #ThirdDegree #3rd ... #ekg #ecg #diagnosis
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
(> 160ms) - AV ... nadir of the S-wave ... nadir of the S-wave ... #ecg #ekg #cardiology ... #diagnosis #electrocardiogram