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Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
'dropped' QRS complex ... #Clinical #EM #IM ... #Cardiology #MedStudent ... #EKG #MobitzI # ... #ECGEducator
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
'dropped' QRS complex ... #Clinical #EM #IM ... #Cardiology #MedStudent ... #EKG #MobitzI # ... #ECGEducator
Mobitz II heart block is characterized on a surface ECG by intermittently nonconducted P waves not
conducted QRS complex ... #Clinical #EM #IM ... #Cardiology #MedStudent ... #EKG #MobitzII ... #ECGEducator
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Narrow & regular rhythm ... . 2nd Degree, Mobitz ... 3rd Degree, Complete ... summary #Diagnosis #EKG ... #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
MAT) - 3 different ... arrest - escape rhythms ... - ventricular pacemaker ... #EKG #diagnosis ... electrocardiogram #cardiology
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
of at least 3 different ... focus from the ... wap #diagnosis #cardiology ... #ekg #ecg #electrocardiogram ... #comparison
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
is gradual and rhythmic ... intervening QRS complex ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... variants #clinical #comparison
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
Block Type I aka Mobitz ... • During sinus rhythm ... by a junctional pacemaker ... an infra-Hisian pacemaker ... blocks #AVBlock #cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
is gradual and rhythmic ... intervening QRS complex ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... variants #clinical #comparison