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What is SCD or SCA
- Death related to an adrupt loss of heart function
- usually related to arrythimia
- UNEXPECTED (MI is excpected death)
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What is the most prevelate symptom of SCD
CAD! 80%
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What is the first symptom of SCD?
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What is the difference between SCD and MI
- MI=loss of oxygen to heart muscle usually due to blocked artery (death of heart muscle)....would expect death
- SCD= Electrical Problem....very fast activiations that keep heart from pumping....unexpected!
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Risk factors for SCD
- Pretty much anything that leads to CAD
- -smoking, inactivity, obesity, age, diabetes
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What rhythms are assoicated with SCD?
- VF
- High Degree AV block with asystole
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_____ makes up the other 20% of SCD related deaths
- non-ischemic heart disease
- -dialted
- -hypertrophic
- -restrictive
- ARVD
- congential
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Victims chance of survial is reduced by for every minute without defibrillation
7-10%
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Primary Prevention for SCD
- prior MI
- Low EF
- class 2 & 3 HF
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Secondary Prevention of SCD
- Survivor of Cardiac Death
- symptomatic substained VT
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