8 Glossary
automatic external defibrillator
AHA American Heart Association
ALS advanced life support
arrhythmia irregular rhythm of the heart muscle
cardiac arrest cessation of the heart muscle
cardiopulmonary resuscitation
defibrillation high-energy pulse of electricity (shock)
delivered to the heart muscle to restore normal
cardiac activity
ECG electrocardiogram
curve traced by an electrocardiograph
electrocardiograph instrument used to record electrical currents
associated with heart muscle activity
fibrillation
rapid twitching movements that replace the
normal rhythmic contraction of the heart and
may cause a lack of circulation and pulse
Joule The amount of energy delivered during
defibrillation, related to the intensity of the
shock delivered.
Log
list of ECG samples and time-stamped system
non-shockable rhythm patient heart rhythms that are not a candidate
for defibrillation pulse
NSR normal sinus rhythm
RF radio frequency
self-test automatic test performed at system power-up to
check readiness of battery, internal circuitry,
main processor, and defibrillator
Shock defibrillation electrical pulse
shockable rhythm abnormal heart rhythm which is a candidate for
defibrillation pulse
tachycardia an abnormally fast heart rate
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