5 results
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
Canon A waves in ... pressure → pressure wave ... exaggerated A wave ... #Awaves #waves ... #video #JVP #jugular
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... a wave usually ... activation from SVT (e.g ... #AWaves #diagnosis ... #cardiology #CVP
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 ... waves are enough ... #Awaves #AVNRT ... #PhysicalExam #JVP
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
Block • The P wave ... • Normal P waves ... the dropped P wave ... first conducted P wave ... but the P wave
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
non-conducted P wave ... Non-conducted P waves ... P and QRS • Atrial ... HeartBlocks #Types #Classification ... #electrocardiogram