23 results
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Multifocal Atrial ... ) on EKG • Heart ... #Multifocal #Atrial ... #cardiology #EKG ... #ECG #Electrocardiogram
Comparison between Wandering atrial pacemaker (A) vs multifocal atrial arrhythmia (B)

#WAP #MAR #wandering #atrial #pacemaker #comparison
(B) #WAP #MAR ... #rhythm #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram ... #clinical
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... different P wave ... #MAT #Cardiology ... #Diagnosis #ECG ... #EKG #Management
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
Multifocal Atrial ... Arrhythmias on ECG ... ECG Recognition ... #MAT #Multifocal ... #diagnosis #ekg
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
• Caused by atrial ... + retrograde atrial ... 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
In AVNRT, the atria ... EKG of the same ... are enough to diagnose ... #PhysicalExam #JVP ... #Cardiology #Neck
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
AV dissociation ... for DDI and an atrial ... than the PPM’s max ... #JVP #Clinical ... #Video #Cardiology
Atrial Flutter on EKG
 • Regularly-occurring atrial activity
 • ≥ 240 atrial depolarizations (i.e. flutter waves)
EKG • Regularly-occurring ... Flutter #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical ... #diagnosis
A Lewis Lead (also called the S5 lead) is a modified ECG lead used to detect
is a modified ECG ... standard 12 lead ECG ... Lead I on the ECG ... flutter waves may ... #Cardiology #EKG
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... Specific for critical ... Serial EKGS in pts ... EKG #ECG #Electrocardiogram ... #Diagnosis #Cardiology