Public speaking, I guess.
Answer:
It eliminates the abnormal heart rate.
Explanation:
The Chain of Survival should be applied when a patient is under cardiac arrest.
Cardiac arrest is mostly caused due to abnormal electrical activity in the victim's heart. This can result in ventricular fibrillation or pulseless ventricular tachycardia which, if not treated, could cause death.
An automated external defibrillator (AED) is designed to restore the heart's regular activity, by providing a heavy electric shock to the patient's chest. This a vital step in the chain of survival as it greatly increases the chances of survival.
You're demonstrating effective listening skills
listening skills are skills to listen well and understand well what people are saying, and you can demonstrate them by repeating in your words what was said: this shows you understood what was said, since you couldn't do it without properly understanding him
