Across
- 4. record of electrical activity
- 7. arteries supply blood to the myocardium
- 8. two lower chambers of the heart
- 10. physician specializing in diseases and disorders of the blood
- 11. low number of erythrocytes
- 12. surgical repair of a blood vessel
- 15. rapid heart rate
Down
- 1. high blood pressure
- 2. abnormally slow heartbeat
- 3. physician specializing in diseases and disorders of the heart
- 5. loss of normal rhythm of heartbeat
- 6. diseases of the heart muscles
- 9. fainting
- 13. two upper chambers of the heart
- 14. membranous sac enclosing the heart
