|
|
regularity
|
atrial frequency
|
ventricular frequency
|
origin (SVT/VT)
|
p-wave
|
effect of adenosine
|
| Wide complex (QRS>0.12)
|
| Ventricular tachycardia
|
regular (mostly)
|
60-100 bpm
|
110-250 bpm
|
ventricle (VT)
|
AV-dissociation
|
no rate reduction (sometimes accelerates)
|
| ventriclefibrilleren
|
irregular
|
60-100 bpm
|
400-600 bpm
|
ventricle (VT)
|
AV-dissociation
|
none
|
| Ventricular flutter
|
regular
|
60-100 bpm
|
150-300 bpm
|
ventricle (VT)
|
AV-dissociation
|
none
|
| AIVR
|
regular (mostly)
|
60-100 bpm
|
50-110 bpm
|
ventricle (VT)
|
AV-dissociation
|
no rate reduction (sometimes accelerates)
|
| Torsade de pointes
|
regular
|
|
150-300 bpm
|
ventricle (VT)
|
AV-dissociation
|
no rate reduction (sometimes accelerates)
|
| Supraventricular tachycardia with block
|
(ir)regular depending on SVT
|
150-250 bpm
|
75-200 bpm
|
atria (SVT)
|
absent
|
temporary increased AV-block (eg 4:1)
|
| AVRT - antidrome
|
regular
|
150-250 bpm
|
150-250 bpm
|
circular: bypass - atria - av-node - ventricles
|
RP < PR
|
stops
|