4,200
edits
AV Conduction: Difference between revisions
Jump to navigation
Jump to search
m
→Third degree AV block
| Line 35: | Line 35: | ||
[[Image:Rhythm_totalAVblock.png|thumb| Short lasting total AV block (initiated by adenosine infusion). P-waves are present, but no QRS complexes follow]] | [[Image:Rhythm_totalAVblock.png|thumb| Short lasting total AV block (initiated by adenosine infusion). P-waves are present, but no QRS complexes follow]] | ||
Third degree AV block is synonymous to ''total block'': absence of atrioventricular conduction. The P-waves and QRS complexes have no temporal relationship, which is called to [[AV dissociation]]. | Third degree AV block is synonymous to ''total block'': absence of atrioventricular conduction. The P-waves and QRS complexes have no temporal relationship, which is called to [[AV dissociation]]. | ||
The ventricular rhythm can [[ | The ventricular rhythm can be [[Nodal Rhythm|nodal]], [[Idioventricular Rhythm|idioventricular]] or absent. Absent ventricular rhythm results in asystole and death. | ||
During third degree AV block the blood supply to the brain can insufficient, leading to loss of consciousness. [[w:Stokes-Adams_Attack|Adams Stokes (or Stokes-Adams) attacks]] (often misspelled as Adam Stokes) attacks arte attacks of syncope or pre-syncope in the setting of third degree AV block. | During third degree AV block the blood supply to the brain can insufficient, leading to loss of consciousness. [[w:Stokes-Adams_Attack|Adams Stokes (or Stokes-Adams) attacks]] (often misspelled as Adam Stokes) attacks arte attacks of syncope or pre-syncope in the setting of third degree AV block. | ||
{{clr}} | {{clr}} | ||