Defibrillator
Implantable cardioverter-defibrillators (ICD) are defibrillators that are designed to help patients from inside their body. They are put inside people that are at high-risk of going into cardiac arrest and monitor a person's heart rate, rhythm, and waveform. By comparing the activity in the different chambers of the heart, an icd can detect cardiac arrhythmias and treat them quickly.