Studies Flashcards
What percentage of SCD is coronary and cardiomyopathy
80% CAD
15% Cardiomyopathy
What percentage of SCD is VT, Torsades, Brady and VF
VT 52%
Torsades 13%
Bradycardia 17%
VF 8%
Chance of success is reduced by what each minute
10%
What is the single most important risk factor
LVEF - Ejection fraction >30%
Whats the NNT in ICDs
1 in 8
List secondary prevention trials
AVID
CIDS
CASH
What did AVID show
Anti Arr is worse than ICD
What did CIDS show
Amiodarone is worse than ICD
What did CASH show
Amio or Meto is worse than ICD
What are 3 common primary prevention risks
CAD / DCM / CHF
Big 3 post MI TRIALS
MADIT // MUSTT // MADIT II
What did DINAMIT show
ICD therapy doesn’t work post MI
SCD HeFT showed what
Amiodarone is as good as placebo
ICD best
Primary indication rules are
1 - LVEF >35%
2- NYHA II or III or MI 40 days ago
3- Medically optimised
is SCD risk related to LV wall thickness?
Yes - 40% increase in mort if wall exceeds 30mm
What did PAiNFREE show
85% of FVT can be terminated with ATP
40% of all episodes is FVT
93% of VF detection was FVT