14 results
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
Canon A waves in ... #AV #dissociation ... #clinical #video ... #JVP #jugular # ... neck #cardiology
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 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”! ... #AWaves #Complete ... #Video #JVP
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... a wave usually occurs ... , it indicates AV ... activation from SVT (e.g ... #AWaves #diagnosis
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 ... a waves are enough ... to diagnose the ... #Awaves #AVNRT
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
fibrillation, sinus ... atrioventricular block ... pulmonic stenosis - Cannon ... dissociation, ventricular ... Jugular #Waveforms #JVP
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
blocks) - ECG Diagnosis ... group-beating" on the ECG ... with complete AV ... #cardiology #ekg ... #ecg #diagnosis
High-grade AV Block aka Advanced AV Block
 • During sinus rhythm, when 2 or more P
High-grade AV Block ... sinus rhythm, when ... 2 or more P waves ... #cardiology #ecg ... #ekg #electrocardiogram
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 ... , P waves fail to ... heartblock #cardiology #ecg ... #ekg #diagnosis
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
Block aka Complete ... with complete AV ... regular but the P wave ... relationship with the R wave ... #ekg #ecg #diagnosis