13 results
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
msocoMD #CanonA #Awaves ... #waves #AV #dissociation ... clinical #video #JVP ... #jugular #neck ... #cardiology #Canon
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Abnormal Jugular ... Diagnosis - Absent ... Atrioventricular dissociation ... #Waveforms #JVP ... #cardiology
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
Cannon A Waves on ... AV dissociation ... and an atrial tachycardia ... #JVP #Clinical ... #Video #Cardiology
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
Cannon A Waves in ... shown , what’s the diagnosis ... a waves in AVNRT ... EMdoc14 #CannonA #AWaves ... #JVP #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 ... Hussainch #Cannon #Awaves ... #Cardiology #Neck
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • The cannon a wave ... 2LmUODZ #Cannon #AWaves ... #diagnosis #cardiology ... #CVP
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
• Variable P wave ... • Some P waves ... #cardiology #diagnosis ... #ekg #electrocardiogram ... #clinical #comparison
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 3 different P waves ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
SVT - Wide Tachycardias ... nadir of the S-wave ... nadir of the S-wave ... #ekg #cardiology ... #diagnosis #electrocardiogram
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
overdose: Prominent R wave ... prominent terminal R wave ... #electrocardiogram ... #diagnosis #ekg ... cardiology