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Chapter 9

(Cardiovascular System)

ather/o fatty (lipid) paste
phleb/o vein
varic/o swollen, twisted vein
epicardium membrane forming the outer layer of the heart
pericardial cavity fluid-filled cavity between the pericardial layers
bicuspid valve heart valve between the left atrium and the left ventricle (cuspis = point); also called the mitral valve
aorta large artery that is the main trunk of the arterial system branching from the left ventricle
systemic circulation circulation of blood throughout the body via arteries, arterioles, capillaries, venules, and veins to deliver oxygen and nutrients to body tissues
systole to contract; period during the cardiac cycle (complete heart beat) when the heart is in contraction and blood is ejected through the aorta and the pulmonary artery
atrioventricular (AV) node neurological tissue in the center of the heart that receives and amplifies the conduction of impulses from the SA node to the atrioventricular bundle (bundle of His)
polarization resting; resting state of a myocardial cell
normal sinus rhythm (NSR) regular rhythm of the heart cycle stimulated by the SA node (average rate of 60-100 beats/minute)
arteriosclerosis thickening, loss of elasticity, and calcification (hardening) of arterial walls
diaphoresis profuse sweating (perspiration)
infarct a localized area of necrosis (dead tissue cells) caused by ischemia resulting from occlusion of a blood vessel; to stuff into
anastomosis joining of two blood vessels to allow flow from one to the other
valvuloplasty surgical repair of a heart valve
antherectomy excision of atheromatous plaque from within an artery utilizing a device housed in a flexible catheter that selectively cuts away or pulverizes tissue buildup
cardioversion restoration of a fast of irregular heart rate to a normal rhythm, either by pharmaceuticals means or by delivery of electrical energy
Angiotensin-converting enzyme (ACE) inhibitors drug that suppresses the conversion of angiotensin in the blood by the angiotensin-covering
anticoagulant drug that prevents clotting of the blood; commonly used in the treatment of thrombophlebitis and myocardial infarction
Beta Blockers agents that inhibit responses to sympathetic adrenergic nerve activity causing a slowing of electrical conduction and heart rate and a lowering of the pressure within the walls of the vessels; used to treat angina pectoris and hypertension
Vasodilators drugs that cause dilation of the blood vessels, thereby increasing blood flow
ACS acute coronary syndrome
CXR chest x-ray
ICD implantable cardioverter-defibrillator
PET positron emission tomography
STAT immediately
TPA tissue plasminogen activator
arrhythmia any of several kinds of irregularity or loss of rhythm of the heartbeat
Created by: CNHP 2010
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