13 results
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• PR interval ... Block Type I aka ... • The RR interval ... the shortest RR interval ... Block type II (
Mobitz Type I (Wenckebach Phenomenon) 2nd Degree AV Block on EKG
 • P-R interval gradually increases
2nd Degree AV Block ... on EKG • P-R interval ... resets • P-P interval ... #Second #Degree ... #AV #Block #AVBlock
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 ... #Type1 #SecondDegree
Second Degree AV Block Type I aka Mobitz I / Wenckebach 
 • Normal P waves.
Second Degree AV ... Block Type I aka ... shortening of the RR interval ... • The RR interval ... the shortest RR interval
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 ... system #Mobitz #Type2
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
with prolonged PR interval ... the AV node Second ... - Mobitz Type 1 ... progressively prolonged PR intervals ... at the AV node Second
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Second degree AV ... Block type II ( ... is constant PR interval ... #Second #Degree ... TypeII #MobitzII #Type2
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 interval ... complex, the PR interval
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 interval ... complex, the PR interval
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... depolarization • ↑ PR interval ... Duration) - ↑ QT interval ... velocity) - ↑ PR interval ... #Classes #pathophysiology