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97 Cards in this Set
- Front
- Back
aorta
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largest artery in the body
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arteriole
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small artery
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artery
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largest type of blood vessel; carries blood away from the heart to all parts of the body
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atrioventricular bundle (bundle of His)
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Specialized muscle fibers connecting the atria with the ventricles and transmitting electrical impulses between them
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atrioventricular node (AV node)
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specialized tissue in the wall between the atria. Electrical impulses pass from the pacemaker (SA node) through the AV node and the atrioventricular bundle or bundle of His toward the ventricles
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atrium
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one or two upper chambers of the heart
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capillary
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smallest blood vessel. Materials pass to and from the bloodstream through the thin capillary walls
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carbon dioxide (CO2)
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Gas (waste) released by body cells, transported via veins to the heart, and then to the lungs for exhalation
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coronary arteries
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blood vessels that branch from the aorta and carry oxygen-rich blood to the heart muscle
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deoxygenated blood
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blood that is oxygen-poor
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diastole
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relaxation phase of the heartbeat
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electrocardium
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record of the electricity flowing through the heart. The electricity is represented by waves or deflections called P, QRS, or T
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endocardium
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inner lining of the heart
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endothelium
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innermost lining of blood vessels
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mitral valve
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valve between the left atrium and the left ventricle; bicuspid valve
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murmur
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abnormal heart sound caused by improper closure of the heart valves
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myocardium
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muscular, middle layer of the heart
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normal sinus rhythm
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heart rhythm originating in the sinoatrial node with a resting rate of 60 to 100 beats per minute
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oxygen
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gas that enters the blood through the lungs and travels to the heart to be pumped via arteries to all body cells
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pacemaker (sinoatrial node)
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specialized nervous tissue in the right atrium that begins that heartbeat. An artificial cardiac pacemaker is an electronic apparatus implanted in the chest to stimulate heart muscle that is weak and not functioning
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pericardium
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double-layered membrane surrounding the heart
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pulmonary artery
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artery carrying oxygen-poor blood from the heart to the lungs
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pulmonary circulation
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flow of blood from the heart to the lungs and back to the heart
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pulmonary valve
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valve positioned between the right ventricle and the pulmonary artery
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pulmonary vein
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one of two pairs of vessels carrying oxygenated blood from the lungs to the left atrium of the heart
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pulse
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beat of the heart as felt through the walls of the arteries
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septum
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partition or wall dividing a cavity; such as between the right and left atria (interatrial septum) and right and left ventricles (interventricular septum)
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sinoatrial node (SA node)
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pacemaker of the heart
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sphygmomanometer
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instrument to measure blood pressure
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systemic circulation
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flow of blood from body tissue to the heart and then from the heart back to the body tissues
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systole
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contraction phase of the heartbeat
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tricuspid valve
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located between the right atrium and the right ventricle; it has three (tri-) leaflets, or cusps
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valve
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structure in veins or in the heart that temporaily closes an opening so that blood flows in only one direction
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vein
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thin-walled vessel that carries blood from body tissues and lungs back to the heart. Veins contain valves to prevent backflow of blood
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vena cava
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largest vein in the body. The superior and inferior venae cavae return blood to the right atrium of the heart
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ventricle
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one of two lower chambers of the heart
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venule
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small vein
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angi/o
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vessel
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angiogram
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angi-vessel
gram-record |
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angioplasty
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angi-vessel
plasty-surgical repair |
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aort/o
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aorta
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aortic stenosis
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aort-aorta
ic-pertaining to stenosis-tightening |
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arter/o, arteri/o
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artery
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arteriosclerosis
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arteri-artery
sclerosis-hardening |
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arterial anastomosis
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arteri-artery
al-pertaining to anastomosis-provide a mouth |
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arteriography
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arteri-artery
graphy-process of recording |
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endarterectomy
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end-in; within
arter-artery ectomy-removal; excision |
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ather/o
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yellowish plaque, fatty substance
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atheroma
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ather-yellowish plaque
oma-mass |
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atherosclerosis
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ather-yellowing plaque
sclerosis-hardening |
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atherectomy
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ather-yellowing plaque
ectomy-removal;excision |
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atri/o
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atrium, upper heart chamber
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atrial
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atri-atrium, upper heart chamber
al-pertaining to |
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atrioventricular
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atrio-atrium, upper heart chamber
ventricul-ventricle of the heart ar-pertaining to |
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brachi/o
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arm
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brachial artery
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brachi-arm
al-pertaining to arter-artery y-process |
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cardi/o
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heart
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cardiomegaly
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cardi-heart
megaly-enlargement |
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cardiomyopathy
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cardi-heart
myo-muscle pathy-disease toxic or infectious agents may be the cause, but often the etiology is unknown (idiopathic). Hypertrophic cardiomyopathy is abnormal thickening of heart walls (septa), which causes narrowing (stenosis) of the aortic valve |
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bradycardia
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brady-slow
cardi-heart a-no slower than 60 beats per minute |
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tachycardia
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tachy-fast
cardi-heart a-no faster than 100 beats per minute |
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cardiogenic shock
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cardi-heart
genic-produced by or in shock results from failure of the heart in its pumping action. Shock is circulatory failure associated with inadequate delivery of oxygen and nutrients to body tissues |
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cholesterol/o
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cholesterol (a lipid substance)
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hypercholesterolemia
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hyper-above
cholesterol-cholesterol emia-hernia |
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coron/o
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heart
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coronary arteries
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coron-heart
ary-pertaining to These arteries come down over the top of the heart like a crown |
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cyan/o
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blue
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cyanosis
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cyan-blue
sis-state of; condition This bluish discoloration of the skin indicates diminished oxygen content of the blood |
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myx/o
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mucus
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myxoma
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myx-mucus
oma-mass A benign tumor derived from connective tissue, with cells embedded in soft mucoid stromal tissue. These tumors occur most frequently in the left atrium |
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ox/o
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oxygen
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hypoxia
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hyp-deficient;below
ox-oxygen ia-pertaining to Inadequate oxygen in tissues. Anoxia is abesence of oxygen in tissues |
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pericardi/o
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pericardium
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pericardiocentesis
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pericardi-pericardium
centesis-surgical puncture to remove fluid |
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phleb/o
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vein
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phlebotomy
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phleb-vein
tomy-process of cutting A phlebotomist is trained in opening veins for phlebotomy |
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thrombophlebitis
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thromb-clot
phleb-vein itis-inflammation Also phlebitis |
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sphygm/o
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pulse
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sphygmomanometer
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sphygm-pulse
manometer-measures pressure |
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steth/o
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chest
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stethoscope
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steth-chest
scope-instrument visual examination A misnomer because the examination is by ear, not by eye. Auscultation means listening to sounds within the body, typically using a stethoscope |
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thromb/o
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clot
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thrombolysis
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thromb-clot
lysis-breakdown; separation |
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valvul/o, valv/o
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valve
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valvuloplasty
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valvul-valve
plasty-surgical repair |
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mitral valvulitis
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valvul-valve
itis-inflammation Most commonly caused by rheumatic fever |
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valvotomy
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valv-valve
tomy-process of cutting |
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vas/o
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vessel
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vasoconstriction
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vas-vessel
constriction-means to tighten or narrow |
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vasodilation
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vas-vessel
dilation-widening; stretching |
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vascul/o
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vessel
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vascular
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vascul-vessel
ar-pertaining to |
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ven/o, ven/i
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vein
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venous
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ven-vein
ous-pertaining to A venous cutdown is a small surgical incision to permit access to a collapsed vein. An intravenous infusion is delivery of fluids into a vein |
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venipuncture
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ven-vein
This procedure is performed for phlebotomy or to start an intravenous infusion |
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ventricul/o
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ventricle, lower heart chamber
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interventricular septum
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inter-between
ventricul-ventricle ar-pertaining to |