AV Nodal Blocks

Dr. S. Aswini Kumar. MD Professor of Medicine Medical College Hospital Thiruvananthapuram A V N o d e BLOCK

Sino-Atrial Node ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2007-06-11

Atrial Depolarisation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2007-06-11

AV Node ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2007-06-11

AV Node ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2007-06-11

The Bundle Of His ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2007-06-11

The Bundle Branches & Purkinje Fibers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2007-06-11

Ventricular De & Repolarization ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2007-06-11

The Conducting System - Summary 2007-06-11

The AV Nodal Conduction ,[object Object],[object Object],PR Segment PR Interval 2007-06-11

AV Nodal Blocks (Heart Blocks) ,[object Object],[object Object],[object Object],[object Object],2007-06-11

Causes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2007-06-11

Degenerative diseases ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2007-06-11

First Degree Heart Block (1 º HB) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2007-06-11

First Degree Heart Block (1 º HB) 2007-06-11

First Degree Heart Block (1 º HB) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2007-06-11

Second Degree Heart Block (2 º HB) (Intermittent Heart Block) ,[object Object],[object Object],[object Object],[object Object],Karel Frederik Wenckebach 2007-06-11

Second Degree Heart Block (2 ºHB) Mobitz Type I (Wenkebach) ,[object Object],PR PR PR DROPPED BEAT 2007-06-11

Second Degree Heart Block (2 ºHB) Mobitz Type I (Wenkebach) 2007-06-11

Second Degree Heart Block (2 ºHB) Mobitz Type I (Wenkebach) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2007-06-11

Second Degree Heart Block (2 ºHB) Mobitz Type II ,[object Object],PR PR DROPPED BEAT PR 2007-06-11

Second Degree Heart Block (2 ºHB) Mobitz Type II ,[object Object],[object Object],2007-06-11

Second Degree Heart Block (2 ºHB) Mobitz Type II ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2007-06-11

Second Degree Heart Block (2 ºHB) 2 : 1 HB ,[object Object],[object Object],[object Object],DROPPED BEAT DROPPED BEAT 2007-06-11

Second Degree Heart Block (2 º) 2 : 1 2007-06-11

Second Degree Heart Block (2 º) 2 : 1 HB ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2007-06-11

Third Degree Heart Block (3 º HB) (Complete Heart Block) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2007-06-11

Third Degree Heart Block (3 ºHB) (Complete Heart Block) ,[object Object],[object Object],[object Object],[object Object],[object Object],P P P P P QRS QRS 2007-06-11

Third Degree Heart Block (3 º) (Complete Heart Block) 2007-06-11

Differences between CHBs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2007-06-11

Third Degree Heart Block (3 º) (Complete Heart Block) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2007-06-11

Third Degree Heart Block (3 º HB) (Complete AV Dissociation) ,[object Object],[object Object],[object Object],[object Object],[object Object],P P P P P QRS QRS CAPTURED 2007-06-11

Two types of AV Dissociation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2007-06-11

Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2007-06-11

AV Nodal Blocks

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AV Nodal Blocks