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Use "defibrillators" in a sentence
"More recently, electric stimulation to the heart (using devices called defibrillators) has greatly increased the efficacy of this technique."
"The devices, called defibrillators, fire an electrical shock to jolt the heart back into a normal rhythm if it starts to beat in a disordered way that can cause sudden death."
"The defibrillators are a welcome addition to the hospital and will provide easier access in life-threatening situations."