27 results
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
electrocardiogram (ECG ... 'dropped' QRS complex ... #Clinical #EM #IM ... #Cardiology #MedStudent ... #EKG #MobitzI #
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
electrocardiogram (ECG ... 'dropped' QRS complex ... #Clinical #EM #IM ... #Cardiology #MedStudent ... #EKG #MobitzI #
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Second degree AV Block ... location of the block ... • The QRS complex ... #cardiology #ecg ... #ekg #electrocardiogram
Mobitz II heart block is characterized on a surface ECG by intermittently nonconducted P waves not
block is characterized ... conducted QRS complex ... #Clinical #EM #IM ... #Cardiology #MedStudent ... #EKG #MobitzII
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
Second Degree Heart Block ... waves and QRS complexes ... beating" • The block ... #Cardiology #EKG ... #ECG #Electrocardiogram
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Second Degree Heart Block ... normal • QRS complexes ... bundle branch block ... #Cardiology #EKG ... #ECG #Electrocardiogram
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
bundle branch block ... bundle branch block ... and WCT, wide complex ... #VTach #ECG #EKG ... #Cardiology
66 yo with syncope - Ventricular Tachycardia

This ECG shows a wide-complex tachycardia in a right bundle
shows a wide-complex ... bundle branch block ... morphology of the QRS complex ... There is a RS complex ... VentricularTachycardia #Clinical #Cardiology
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Fibrillation with Complete ... Heart Block and ... Tachycardia with 2:1 AV Block ... #cardiology #ecg ... #ekg #electrocardiogram
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
preceding each QRS complex ... complex) is dropped ... Third Degree" • Complete ... heart #heartblock #cardiology ... #ecg #ekg #diagnosis