Answer: A small battery-operated device
Step-by-step explanation:
She is using a pacemaker as medical equipment with a small battery. This small device is placed in her chest or it can also be placed in the abdomen. This device is used to control heart rhythm with the usage of electrical pulses.
The Pacemaker as a device is used for arrhythmias where the person is having a heartbeat or rate problem such as Nichole.