Curtis and Walker reported 7 scores to grade arrhythmias. Score E is one of several that assigns a single point score. The authors are from St. Thomas’ Hospital London and the University of British Columbia.
Parameters:
(1) number of premature ventricular contractions (PVCs, VPBs)
(2) number of episodes of ventricular tachycardia (VT)
(3) number of episodes of spontaneously converting ventricular fibrillation (SVF)
(4) number of episodes of nonspontaneously converting ventricular fibrillation (NVF)
PVCs |
VT |
SVF |
NVF |
Points |
< 20 |
0 |
0 |
0 |
0 |
20 to 100 |
0 |
0 |
0 |
1 |
> 100 |
0 |
0 |
0 |
2 |
NA |
1 to 3 |
0 |
0 |
2 |
NA |
> 3 |
0 |
0 |
3 |
NA |
NA |
>= 1 |
0 |
4 |
NA |
NA |
NA |
1 or 2 |
5 |
NA |
NA |
NA |
3 to 5 |
6 |
NA |
NA |
NA |
> 5 |
7 |
where:
• Nonspontaneously converting VF requires some form of intervention to convert.
Specialty: Cardiology