Shared Flashcard Set

Details

cardiovascular system
chapter 11
98
Medical
Professional
03/20/2012

Additional Medical Flashcards

 


 

Cards

Term
aorta
Definition
largest artery in the body
Term
arteriole
Definition
small artery
Term
artery
Definition
largest type of blood vessel; carries blood away from the heart to all the parts of the body
Term
artioventricular bundle(bundle of His)
Definition
specialized muscle fibers connecting the atria with the ventricles and transmitting electricla impulses btw them
Term
atrioventricular node(AV node)
Definition
specialized tissue in the wall btw 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
Term
atrium(atria)
Definition
one of two upper chambers of the heart
Term
capillary
Definition
smallest blood vessel, material pass to and from the bloodstream through the thin capillary of the heart
Term
carbon dioxide(CO2)
Definition
gas(waste) released by the body cells, transported via veins to the heart, and then to the lungs for exhalation
Term
coronary arteries
Definition
blood vessels that branch from the aorta and carry oxygen-rich blood to the heart muscle
Term
deoxygenated blood
Definition
blood that is oxygen poor
Term
diastole
Definition
relaxation phase of the heatbeat
Term
electrocardiogram
Definition
record of the electricity flowing through the heart, the electricity is represented by waves or deflections called P, QRS, or T.
Term
endocardium
Definition
inner lining of the heart
Term
endothelium
Definition
innermost lining of blood vessels
Term
mitral valve
Definition
valve btw the L atrium and the L ventricle; bicuspid valve
Term
murmur
Definition
abnormal swishing sound caused by improper closure of the heart valves
Term
myocardium
Definition
muscular, middle layer of the heart
Term
normal sinus rhythm
Definition
heart rhythm originating in the sinoatrial node with a resting rate of 60-100 beats per minute
Term
oxygen
Definition
gas that enters the blood through the lungs and travels to the heart to be pumped via arteries to all body cells
Term
pacemaker(sinoatrial node; SA node)
Definition
specialized nervous tissue in the R atrium that begins the heartbeat
Term
pericardium
Definition
double-layered membrane surrounding the heart
Term
pulmonary artery
Definition
artery carrying oxygen-poor blood from the heart to the lungs
Term
pulmonary circulation
Definition
flow of blood from the heart to the lungs and back to the heart
Term
pulmonary valve
Definition
valve positioned btw the R ventricle and the pulmonary artery
Term
pulmonary vein
Definition
one of two pairs of vessels carrying oxygenated blood from the lungs to the L atrium of the heart
Term
pulse
Definition
beat of the heat as felt through the walls of the arteries
Term
septum(septa)
Definition
partition or wall dividing a cavity; such as btw the R and L atria and the R and L ventricles
Term
sinoatrial node (SA node)
Definition
pacemaker of the heart
Term
sphygmomanometer
Definition
instrument to measure blood pressure
Term
systemic circulation
Definition
flow of blood from body tissue to the heart and then from the heart back to body tissues
Term
systole
Definition
contracting phase of the heartbeat
Term
tricuspid valve
Definition
located btw the R atrium and the R ventricle; it has three leaflets, or cusps
Term
valve
Definition
structure in the veins or in the heart that temporarily closes an opening so that blood flows in only one direction
Term
vein
Definition
thin-walled vessel that carries blood from the body tissue and lungs back to the heart, veins contain valves to prevent back flow of blood
Term
vena cava(venae cavae)
Definition
largest vein in the body, the superior and inferior vena cava return blood to the R atrium of the heart
Term
ventricle
Definition
one of two lower chambers of the heart
Term
venule
Definition
small vein
Term
angi/o
Definition
vessel
Term
aort/o
Definition
aorta
Term
arter/o, arteri/o
Definition
artery
Term
ather/o
Definition
yellowish plaque, fatty substance
Term
atri/o
Definition
atrium, upper heart chamber
Term
brachi/o
Definition
arm
Term
cardi/o
Definition
heart
Term
cholesterol/o
Definition
cholesterol
Term
coron/o
Definition
heart
Term
cyan/o
Definition
blue
Term
myx/o
Definition
mucus
Term
ox/o
Definition
oxygen
Term
pericardi/o
Definition
pericardium
Term
phleb/o
Definition
vein
Term
rrhythm/o
Definition
rhythm
Term
sphygm/o
Definition
pulse
Term
steth/o
Definition
chest
Term
thromb/o
Definition
clot
Term
valvul/o, valv/o
Definition
valve
Term
vas/o
Definition
vessel
Term
vascul/o
Definition
vessel
Term
ven/o, ven/i
Definition
vein
Term
ventricul/o
Definition
ventricle, lower heart chamber
Term
arrhythmias
Definition
abnormal heart rhythms(dysrhythmias)
Term
bradycardia & heart block
Definition
failure of proper conduction of impulses from the SA node through the AV node to the atrioventricular bundle(bundle of His)
Term
flutter
Definition
rapid but regular contraction, usually of the atria
Term
fibrillation
Definition
very rapid, random, inefficient, and irregular contractions of the heart(350 beats or more per minute)
Term
congenital heart disease
Definition
abnormalities in the heart at birth
Term
coarctation of the aorta(CoA)
Definition
narrowing of the aorta
Term
patent ductus arteriosus
Definition
passageway btw the aorta and the pulmonary artery remains open after birth
Term
septal defects
Definition
small holes in the wall btw the atria or the ventricles
Term
tetralogy of Fallot
Definition
congenital malformation involving four distinct heart defects
Term
congestive heart failure(CHF)
Definition
heart is unable to pump its required amount of blood
Term
coronary artery disease(CAD)
Definition
disease of the arteries surrounding the heart
Term
endocarditis
Definition
inflammation of the inner lining of the heart
Term
hypertensive heart disease
Definition
high blood pressure affecting the heart
Term
mitral valve prolapse(MVP)
Definition
improper closure of the mitral valve
Term
murmur
Definition
extra heart sound, heard btw normal beats
Term
pericarditis
Definition
inflammation of the membrane surrounding the heart
Term
rheumatic heart disease
Definition
heart disease caused by rheumatic fever
Term
aneurysm
Definition
local widening(dilation) of an arterial wall
Term
deep vein thrombosis(DVT)
Definition
blood clot forms in a large vein, usually in a lower limb
Term
hypertension(HTN)
Definition
high blood pressure
Term
peripheral arterial disease(PAD)
Definition
blockage of arteries carrying blood to the legs, arms, kidneys and other organs
Term
Raynaud disease
Definition
recurrent episodes of pallor and cyanosis primarily in fingers and toes
Term
varicose veins
Definition
abnormally swollen and twisted veins, usually occurring in the legs
Term
acute coronary syndromes(ACSs)
Definition
unstable angina and myocardial infarction(heart attack) which are consequences of plaque rupture in coronary arteries
Term
angina(pectoris)
Definition
chest pain resulting from myocardial ischemia, stable angina occurs predictably with exertion; unstable angina is chest pain that occurs more often and with less exertion
Term
angiotensin-converting enzyme(ACE)inhibitor
Definition
antihypertensive drug that blocks the conversion of angiotensin i to angiotensin ii causing blood vessels to dilate, it prevents heart attacks, CHF, stroke, and death
Term
auscultation
Definition
listening for sounds in the blood vessels or other body structures
Term
beta-blocker
Definition
drug used to treat angina, hypertension, and arrhythmias, it blocks the action of epinephrine at receptor sites on cells, slowing the heartbeat and reducing the workload on the heart
Term
biventricular pacemaker
Definition
device enabling ventricles to beat together so that more blood is pumped out of the heart
Term
bruit
Definition
abnormal blowing or swishing sound heard during auscultation of an artery or organ
Term
calcium channel blocker
Definition
drug used to treat angina and hypertension, it dilates blood vessels by blocking the influx of calcium into muscle cells lining vessels
Term
cardiac arrest
Definition
sudden,unexpected stoppage of heart action; sudden cardiac death
Term
cardiac tamponade
Definition
pressure on the heart caused by fluid in the pericardial space
Term
claudication
Definition
pain,tension,and weakness in a leg after walking has begun, but adsence of pain at rest
Term
digoxin
Definition
drug that treat arrhythmias and strengthens the heartbeat
Term
embolus(emboli)
Definition
clot or other substance that travels to a distant location and suddenly blocks a blood vessels
Term
infraction
Definition
area of dead tissue
Term
nitrates
Definition
drug used in the tx of angina, they dilate blood vessels, increasing blood flow and oxygen to myocardial tissue
Supporting users have an ad free experience!