15 results
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Second degree AV ... Block type II ( ... There is constant PR ... #Second #Degree ... #Type2 #diagnosis
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
Type 1 Second-degree ... also known as Mobitz ... prolongation of the PR ... QRS complex, the PR ... #Mobitz1 #Mobitz
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
Type 1 Second-degree ... also known as Mobitz ... prolongation of the PR ... QRS complex, the PR ... #Mobitz1 #Mobitz
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Heart Blocks 1st Degree ... , Mobitz I Heart ... , Mobitz II HeartBlock ... #HeartBlocks #Types ... #Classification
Second Degree Heart Block, Mobitz Type I (Wenckebach)

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

• p waves are normal 
• QRS complexes are usually
Second Degree Heart ... Block, Mobitz Type ... branch block • PR ... His-Purkinje system #Mobitz ... #Type2 #TypeII
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
Placement Indications Class ... I: • Third degree ... I or II • Mobitz ... block Class II: ... 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 ... Type 1 (Weinckebach ... Type 2 "If some ... independently of the atria leading
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
PR interval ... Block Type I aka ... Block type II ( ... aka Mobitz II) ... electrocardiogram #classification
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
channels open leading ... Vaughan Williams Classification ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Pharmacology #Classification