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Across 1. pertaining to the heart muscle 6. tumor of a blood vessel 9. rapid heartbeat that is over 100 beats per minute 10. inflammation of a vein associated with the formation of a blood clot 17. active narrowing of a blood vessel 19. colorless,odoerless,tasteless gas essential to resperation in animals 23. wall or partition that divides or separates a body space or cavity 24. a blockage in a vessel,canal, or passage of the body 26. surgical repair of a cardiac valve 27. a blood clot within the vascular system 28. an abnormal rapid throbbing or fluttering of the heart 29. medical instrument used to listen to the normal and pathological sounds of the heart,lungs and other internal organs 30. the pericardium, the sac surounding the heart 31. valve with three cusps

Down 2. used to lower abnormally high blood levels of fatty substances when other treatment regimens fail 3. skin,fingernails, and mucous membranes can appear slightly blue or gray 4. swollen,dilated, and knotted veins that usually occur in the lower legs 5. medicine that acts directly on smooth muscle cells within blood vessels to make them widen 7. inflammation of the heart muscle that is usually caused by viral,bacterial, or fungal infections that reach the heart 8. life-threating condition thaty occurs when the body is not getting enough blood flow 11. low blood pressure 12. surgical excision of the inner partion of an artery 13. lack of oxygen due to decreased blood supply to a part of the body 14. inner lining of the heart 15. inflammation of the outer membranous sac surrounding the heart 16. pathological condition of narrowing of the mitral vavle 18. used to describe the puncture of a vein to withdraw blood for analysis 20. the sinus venosus and the atrium 21. use of a ballon-tipped catheter to compress fatty plaques against an artery wall 22. fat and protein molecules that are bound together 25. valves of the aorta and pulmonary artery;shaped like a crescent