16 results
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
a patient with AV ... #waves #AV #dissociation ... clinical #video #JVP ... #jugular #neck ... #cardiology #Canon
Cannon A Waves on Neck Examination

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

69 year old female patient comes with a
AVNRT on Neck Physical ... shown , what’s the diagnosis ... ... regular cannon ... #AVNRT #Neck #PhysicalExam ... #JVP #Cardiology
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
, it indicates AV ... dissociation + ... activation from SVT (e.g ... #diagnosis #cardiology ... #CVP
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
transmitted to JV ... EKG of the same ... are enough to diagnose ... #PhysicalExam #JVP ... #Cardiology #Neck
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
Evaluation of Regular ... AV Dissociation: ... Interpretation #ECG ... #EKG #Electrocardiogram ... #Diagnosis #Cardiology
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
(> 160ms) - AV ... dissociation (P ... VT #VTach #SVT #Comparison ... #ekg #cardiology ... #diagnosis #electrocardiogram
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
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
1) Rate - Regular ... interval < 120 ms = AV ... Interpretation #ECG ... #Electrocardiogram ... #cardiology #diagnosis
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
200 msec) • P wave ... node dissociation ... heart #heartblock #cardiology ... #ecg #ekg #diagnosis ... #electrocardiogram