18 results
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
interval on the electrocardiogram ... 'dropped' QRS complex ... the dropped QRS complex ... #Clinical #EM #IM ... Cardiology #MedStudent #EKG
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Block type II (aka Mobitz ... • The QRS complex ... the block (AV node ... #ekg #electrocardiogram ... #Mobitz2
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
interval on the electrocardiogram ... 'dropped' QRS complex ... the dropped QRS complex ... #Clinical #EM #IM ... Cardiology #MedStudent #EKG
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
Degree Heart Block, Mobitz ... waves and QRS complexes ... within the AV node ... #Mobitz #Type1 ... #ECG #Electrocardiogram
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Degree Heart Block, Mobitz ... normal • QRS complexes ... is below the AV node ... Diagnosis #Cardiology #EKG ... #ECG #Electrocardiogram
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
preceding each QRS complex ... Degree AV Block - Mobitz ... not you have a Mobitz ... #ekg #diagnosis ... #electrocardiogram
66 yo with syncope - Ventricular Tachycardia

This ECG shows a wide-complex tachycardia in a right bundle
shows a wide-complex ... Note the morphology ... of the QRS complex ... VentricularTachycardia #Clinical ... #EKG #Electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Treatment 2nd Degree, Mobitz ... . 2nd Degree, Mobitz ... Pacemaker 3rd Degree, Complete ... • Block in AV node ... #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
intervening QRS complex ... back to the sinus node ... cardiology #diagnosis #ekg ... #ecg #electrocardiogram ... #variants #clinical
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
Block Type I aka Mobitz ... the block (AV node ... • This is a clinically ... pacemaker (AV node ... #electrocardiogram