Cardiovascular system

2. do not resuscitate
3. congestive heart failure
4. prefix meaning outside of
5. a machine that records the electrical activity of the heart
6. prefix meaning slow
11. tissue used to connect, support, or surround other tissues and organs
14. high blood pressure
16. irregular heartbeat disease
17. blood pressure measuring tool
20. coronary artery disease
21. X-ray dye called contrast is injected into blood vessels to diagnose things like narrowing (stenosis) or aneurysms
22. prefix meaning inner
23. a test that uses ultrasound to look at the heart and its vessels

1. dilated and bulging veins, often found in legs
3. disease where plaque buildup narrows the coronary arteries, and causes the heart to receive less oxygen and nutrients
7. tubes that carry blood away from the heart
8. tool used to listen to heartbeat
9. protective tissue covering the whole body
10. most important organ in the circulatory system
11. cardiopulmonary resuscitation
12. suffix meaning hardening
13. prefix meaning fast
15. beats per minute
18. automated external defibrillator
19. infarction commonly referred to as a heart attack