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==Overview of ventricular tachycardias== | ==Overview of ventricular tachycardias== | ||
[[Image: | {| class="wikitable" font-size="90%" | ||
|- style="text-align:center;background-color:#6EB4EB;" | |||
|+'''An overview of ventricular tachycardias''', follow the [[Approach to the Wide Complex Tachycardia]] | |||
|- | |||
! | |||
!example | |||
!regularity | |||
!atrial frequency | |||
!ventricular frequency | |||
!origin (SVT/VT) | |||
!p-wave | |||
!effect of adenosine | |||
|- | |||
| colspan="8" style="text-align:left;background-color:#cfefcf;" | '''Wide complex (QRS>0.12)''' | |||
|- | |||
! [[Ventricular Tachycardia]] | |||
| [[Image:vt_small.svg|200px]] | |||
| regular (mostly) | |||
| 60-100 bpm | |||
| 110-250 bpm | |||
| ventricle (VT) | |||
| [[AV-dissociation]] | |||
| no rate reduction (sometimes accelerates) | |||
|- | |||
! [[Ventricular Fibrillation]] | |||
| [[Image:vf_small.svg|200px]] | |||
| irregular | |||
| 60-100 bpm | |||
| 400-600 bpm | |||
| ventricle (VT) | |||
| [[AV-dissociation]] | |||
| none | |||
|- | |||
! [[Ventricular Flutter]] | |||
| [[Image:vflutt_small.svg|200px]] | |||
| regular | |||
| 60-100 bpm | |||
| 150-300 bpm | |||
| ventricle (VT) | |||
| [[AV-dissociation]] | |||
| none | |||
|- | |||
! [[Accelerated Idioventricular Rhythm]] | |||
| [[Image:aivr_small.svg|200px]] | |||
| regular (mostly) | |||
| 60-100 bpm | |||
| 50-110 bpm | |||
| ventricle (VT) | |||
| [[AV-dissociation]] | |||
| no rate reduction (sometimes accelerates) | |||
|- | |||
! [[Torsade de Pointes]] | |||
| [[Image:tdp_small.svg|200px]] | |||
| regular | |||
| | |||
| 150-300 bpm | |||
| ventricle (VT) | |||
| [[AV-dissociation]] | |||
| no rate reduction (sometimes accelerates) | |||
|- | |||
! [[Bundle-branch re-entrant tachycardia]]* | |||
| [[Image:bb_reentry_small.svg|200px]] | |||
| regular | |||
| 60-100 bpm | |||
| 150-300 bpm | |||
| ventricles (VT) | |||
| [[AV-dissociation]] | |||
| no rate reduction | |||
|- | |||
|colspan="8"|* Bundle-branch re-entrant tachycardia is extremely rare | |||
|} | |||
==Ventricular tachycardia== | ==Ventricular tachycardia== |