13 results
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 ... #Neck #Frog #Sign
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 ... and an atrial tachycardia ... #JVP #Clinical
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 ... The a wave is the ... UCSFIMChiefs #CannonA #AWaves ... Clinical #Video #JVP
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
Hallmark ECG features ... (VT) AV indicates ... ; RWPT, R wave peak ... and WCT, wide complex ... #VTach #ECG #EKG
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
blocks) - ECG Diagnosis ... Block aka Complete ... intervals are regular ... atrioventricular #blocks #AVBlock ... #ecg #diagnosis
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
1) Rate - Regular ... interval < 120 ms = AV ... Lose P • 3° Complete ... through) QRS Complex ... Interpretation #ECG
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
In most case P wave ... as 'pseudo-s' wave ... and 'pseudo-r' wave ... ECG usually shows ... complex tachycardia
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Rhythm - Narrow Complex ... • ST vs SVT (AVNRT ... AFIutter) • P-waves ... AFIutter + variable block ... abnormality • Beware AV
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... DANGER Narrow - Regular ... 3 different P waves ... block (lower AV ... bradyarrhythmia #ECG
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
Block aka Complete ... AV block, the PP ... but the P wave ... relationship with the R wave ... ThirdDegree #3rd #AVBlock