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

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

3. 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

4. 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

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

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

7. Pacemaker
2 parts
Leads
Pulse Generator

8. Different Pacemakers
Single Chamber
Dual Chamber
Biventricular

9. Biventricular

10. 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

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

12. References
National Heart, Lung, and Blood Institute
About.com “The Heart” <
WebMD rhythms-pacemaker
Medical Tourism Guide ker/