15 results
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• PR interval ... • The RR interval ... the shortest RR interval ... High-grade AV Block ... • The PR interval
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 #diagnosis #cardiology
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
Second Degree Heart Block ... , Mobitz Type I ... • PR interval ... beating" • The block ... HeartBlock #Diagnosis #Cardiology
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Second Degree Heart Block ... , Mobitz Type II ... • PR intervals ... system #Mobitz #Type2 ... HeartBlock #Diagnosis #Cardiology
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 ... pathophysiology #cardiology
Second Degree AV Block Type I aka Mobitz I / Wenckebach 
 • Normal P waves.
Second Degree AV Block ... shortening of the RR interval ... • The RR interval ... the shortest RR interval ... Wenckebach #diagnosis #cardiology
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
Type 1 Second-degree ... AV block, also ... prolongation of the PR interval ... complex, the PR interval ... Clinical #EM #IM #Cardiology
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
Type 1 Second-degree ... AV block, also ... prolongation of the PR interval ... complex, the PR interval ... Clinical #EM #IM #Cardiology
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
with prolonged PR interval ... - Mobitz Type 1 ... progressively prolonged PR intervals ... - Mobitz Type 2 ... heart #heartblock #cardiology
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Second degree AV Block ... type II (aka Mobitz ... is constant PR interval ... TypeII #MobitzII #Type2 ... #diagnosis #cardiology