ANSWER:
The AED can identify a fast or unusual heart rhythm that requires a shock.
EXPLANATION:
The AED is intended to stun VF or VT (ventricular tachycardia), or, in other words, powerless however quick heartbeat. An AED can check a man's heartbeat through screens that are in the defibrillator cushions, so you don't need to be a Prepared master to perceive unpredictable heart rhythms to spare somebody's life utilizing an AED. The AED can perceive a quick or unpredictable heart mood that requires a stun.
