5. CARDIOVASCULAR SYSTEM aorta Example: aortic stenosis aort/o + ic A narrowing of the aortic valve caused by rheumatic fever or congenital malformation 2-b
9. CARDIOVASCULAR SYSTEM arteriole Example: arteriolosclerosis arteriol/o + sclerosis Pathologic thickening, hardening, and loss of elasticity of arteriolar walls. 4-b
13. CARDIOVASCULAR SYSTEM atrium Example: atrial septal defect atri/o + al A congenital cardiac anomaly characterized by an abnormal opening between the atria. 6-b
15. CARDIOVASCULAR SYSTEM blood pressure The pressure exerted by the circulating volume of blood on the walls of the arteries and veins and the heart chambers. 7-b Abbreviation
19. CARDIOVASCULAR SYSTEM coronary artery bypass graft A section of vein grafted between the aorta and a coronary artery distal to an obstructive lesion of the coronary. 9-b Abbreviation
21. CARDIOVASCULAR SYSTEM coronary artery disease An abnormal condition that may produce pathologic effects and reduce flow oxygen and nutrients to the heart. 10-b Abbreviation
31. CARDIOVASCULAR SYSTEM heart Example: precordial lead pre + cardi/o + al An electrocardiographic conductor in which an electrode is placed on the chest (precordium). 15-b
35. CARDIOVASCULAR SYSTEM heart Example: coronary bypass coron/o + ary Open heart surgery in which a section of blood vessel is grafted onto one of the coronary arteries, bypassing a blocked artery. 17-b
37. CARDIOVASCULAR SYSTEM cardiopulmonary resuscitation A basic emergency procedure for life support, consisting of artificial respiration and manual external massage. 18-b Abbreviation