59 results
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
Second-degree AV block ... node.Mobitz I heart block ... prolongation of the PR ... followed by a blocked ... QRS complex, the PR
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
Second-degree AV block ... node.Mobitz I heart block ... prolongation of the PR ... followed by a blocked ... QRS complex, the PR
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Second degree AV Block ... There is constant PR ... location of the block ... location of the block ... Second #Degree #AVBlock
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
• Third degree block ... Class II: • Mobitz ... arrest, prolonged PR ... • Reversible causes ... of AV block -
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
1st Degree Heart Block ... I Heart Block ( ... . 2nd Degree, Mobitz ... • Block in AV ... HeartBlocks #Types #Classification
Mobitz II heart block is characterized on a surface ECG by intermittently nonconducted P waves not
block is characterized ... not preceded by PR ... not followed by PR ... II blocks. ... #Mobitz2 #Mobitz
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
with prolonged PR ... - Mobitz Type 1 ... - Mobitz Type 2 ... not you have a Mobitz ... with progressive PR
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
PR interval ... Type I aka Mobitz ... type II (aka Mobitz ... #AVBlock #cardiology ... electrocardiogram #classification
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Second Degree Heart Block ... , Mobitz Type II ... bundle branch block ... • PR intervals ... beats • The block
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
: • MOA: Block ... : • MOA: Block ... primarily) and block ... : • MOA: Block ... #Classes #pathophysiology