Molly Magee Section 2 BME 181 University of Rhode Island Pacemaker Molly Magee Section 2 BME 181 University of Rhode Island

The Heart Organ that supplies blood and oxygen to the body Blood pumped away from heart through arteries and back through veins

The Heart 4 Chambers: Right and Left Atria ; Right and Left Ventricles Cardiac Cycle: Diastole= atria and ventricles relax and blood flows through. Systole= ventricles contract sending blood away

The Pacemaker Def: A small device that is placed in the chest to help control abnormal heart rhythms Uses electrical pulses to tell the heart to beat at a normal rate

History Idea in the 1700s 1930s: Hyman Pacemaker 1950s: first working pacemaker implant

What it’s used for Arrhythmia’s Tachycardia: heart beats too fast Bradycardia: heart beats too slow

Pacemaker 2 parts Leads Pulse Generator

Different Pacemakers Single Chamber Dual Chamber Biventricular

Biventricular

Cost In the U.S., the average price for a pacemaker is from $5,400 - $14,000 Much cheaper in other countries Insurance will cover part of it Usually cost is for the device, surgery, and doctors

Advances Revo MRI sure-scan allows patient to have MRI without damage Trying to get it wireless and very small (possibly without surgery)

References National Heart, Lung, and Blood Institute www.nhlbi.nih.gov/health/health-topics/topics/pace/ About.com “The Heart” <www.biology.about.com/od/anatomy/a/theheart.htm> WebMD www.webmd.com/heart-disease/guide/abnormal- rhythms-pacemaker Medical Tourism Guide www.medicaltourismguide.com/procedures/medical/pacema ker/