11 results
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
Cannon A Waves in ... AVNRT on Neck Physical ... a waves in AVNRT ... EMdoc14 #CannonA #AWaves ... #AVNRT #Neck #PhysicalExam
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 ... #AVNRT #PhysicalExam
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
Cannon A Waves on ... Cannon a waves ... : 3rd deg AV block ... VivekKulkarniMD #CannonA #AWaves ... #Neck #PhysicalExam
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... interval < 120 ms = AV ... junction origin (e.g ... @AmyChung #EKG ... Interpretation #ECG
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... wave is normal ... group-beating" on the ECG ... AVBlock #cardiology #ekg ... #ecg #diagnosis
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 ... completely absent, P waves ... heartblock #cardiology #ecg ... #ekg #diagnosis
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 3 different P waves ... block (lower AV ... bradyarrhythmia #ECG ... #EKG #diagnosis
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
non-conducted P wave ... Non-conducted P waves ... • Block in AV ... summary #Diagnosis #EKG ... electrocardiogram #ecg
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
pathway which blocks ... In most case P wave ... as 'pseudo-s' wave ... and 'pseudo-r' wave ... ECG usually shows
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
intervals are regular ... but the P wave ... relationship with the R wave ... Complete #cardiology #ekg ... #ecg #diagnosis