Across
- 2. the organ that pumps blood
- 4. the only artery that carries deoxygenated blood
- 5. cardiovascular problems often present as pain in the _________ region
- 10. heart rate that exceeds 100 bpm
- 12. irregular rhythm of the heart is known as _________.
- 14. persistantly elevated blood pressure results in what disease?
- 15. the largest artery in the body.
Down
- 1. the smallest blood vessel
- 3. which nerve causes the classic left arm referred pain in heart attacks?
- 6. the waves in an ECG
- 7. the heart’s natural pacemaker is the ________ node.
- 8. Ion responsible for cardiac muscle contraction
- 9. specialised fibres responsible for impulse conduction in the ventricle walls.
- 11. crushing chest pain
- 13. the structure that separates the two halves of the heart