18 results
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • The cannon a wave ... activation from SVT (e.g ... 2LmUODZ #Cannon #AWaves ... #CVP
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
Arrhythmias on ECG ... rhythm & Multifocal ... ECG Recognition ... #atrial #rhythm ... #ekg #electrocardiogram
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Multifocal Atrial ... Tachycardia (MAT) on EKG ... Irregularly irregular rhythm ... At-least 3 distinct P-wave ... #EKG #ECG #Electrocardiogram
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... 3 different P wave ... • Oxygen • Treatment ... MAT #Cardiology #Diagnosis ... #ECG #EKG #Management
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... (e.g. ectopic atrial ... = multifocal atrial ... @AmyChung #EKG ... Interpretation #ECG
Ectopic atrial rhythm
 • The atrial rate is less than 100 bpm.
 • PR interval within
during sinus rhythm ... • P wave morphology ... • Inverted P waves ... #diagnosis #ekg ... #ecg #electrocardiogram
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Multifocal Atrial ... Rhythm / Multifocal ... of a variable P-wave ... #cardiology #ekg ... #ecg #electrocardiogram
Wandering atrial pacemaker - ECG Diagnosis
 • The change in P wave contour is gradual
 •
Wandering atrial ... pacemaker - ECG ... change in P wave ... appreciate this rhythm ... #ekg #ecg #electrocardiogram
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... In AVNRT, the atria ... EKG of the same ... rapid cannon a waves ... Hussainch #Cannon #Awaves
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
block (3) Multifocal ... 3 different P waves ... arrest - escape rhythms ... bradyarrhythmia #ECG ... #EKG #diagnosis