19 results
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
Type 1 Second-degree ... AV block, also ... node.Mobitz I heart block ... prolongation of the PR ... QRS complex, the PR
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
Type 1 Second-degree ... AV block, also ... node.Mobitz I heart block ... prolongation of the PR ... QRS complex, the PR
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
1st Degree Heart ... Treatment 2nd Degree ... , Mobitz I Heart ... , Mobitz II HeartBlock ... HeartBlocks #Types #Classification
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Second degree AV ... Block type II ( ... aka Mobitz II) ... There is constant PR ... #Second #Degree
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
Placement Indications Class ... 2nd degree block ... block Class II: ... LBBB with syncope Class ... arrest, prolonged PR
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
with prolonged PR ... AV Block - Mobitz ... AV Block - Mobitz ... with progressive PR ... independently of the atria leading
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
Second Degree Heart ... Block, Mobitz Type ... • PR interval ... beating" • The block ... the AV node #Mobitz
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Second Degree Heart ... Block, Mobitz Type ... bundle branch block ... • PR intervals ... His-Purkinje system #Mobitz
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
PR interval ... Mobitz I / Wenckebach ... aka Mobitz II) ... There is constant PR ... electrocardiogram #classification
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... : • MOA: Block ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Pharmacology #Classification