10 results
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
Canon A waves in ... #Awaves #waves ... #clinical #video ... #JVP #jugular # ... neck #cardiology
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... , it indicates AV ... 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 ... EKG of the same ... to diagnose the ... PhysicalExam #JVP #Cardiology ... #Neck #Frog #Sign
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
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
blocks) - ECG Diagnosis ... group-beating" on the ECG ... intervals are regular ... blocks #AVBlock #cardiology ... #ekg #ecg #diagnosis
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
DANGER Narrow - Regular ... 3 different P waves ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• Block in AV ... (block beyond AV ... degrees #summary #Diagnosis ... #EKG #electrocardiogram ... #ecg #cardiology
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
is positive in aVR ... (> 160ms) - AV ... VentricularTachycardia #Versus #ecg ... #ekg #cardiology ... #diagnosis #electrocardiogram
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
Third Degree AV ... intervals are regular ... but the P wave ... AVBlock #Complete #cardiology ... #ekg #ecg #diagnosis