Cardiovascular System Vocabulary Flashcards

Terms Definitions
leuk/o
white
aort/o
aorta
-penia
deficiency
-lytic
destroy
embol
something inserted
coron/o
coronary, crown
arter/o, arteri/o
arteries
plast/o
growth, mold
tachy-
fast, rapid
erythrocytes
mature red blood cells
atria
2 upper receiving chambers
fibrinogen and prothrombin
clotting proteins
lymphocytes
protect body against disease
Dysrhythmia is?
Abnormal heart rhythm.
monocytes
protect against disease, indicates chronic infection
hem/o, hemat/o
blood, relating to blood
pericardial fluid
between layers, prevents friction
essential hypertension
primary, idiopathic, unknown origin
reticulocyte
immature erythrocyte with meshlike pattern of threads
aneurysm
localized weak spot, balloon-like enlargement of wall of artery, ruptures often fatal
percutaneous transluminal coronary angioplasty
balloon angioplasty
blood pressure
systolic- ventricles contract, highest pressure, diastolic- ventricles relax, lowest pressure
macrophanges
from spleen,liver, and bone marrow destroy erythrocytes after no longer useful 120 days
angina pectoris
choking/suffocating chest pain caused by interference of o2 to myocardium
aorta
main trunk, begins from L ventricle
arterioles
smaller thinner branches, carry blood to capillaries
trombocytes
platelets, fragments of large bone marrow cells called megakaryocytes, become sticky and form clots
neutrophils
fight infection by phagocytosis, most common of WBC, indicate bacterial infection
hematologist
specializes in diagnosing and treating diseases adn disorders of blood and blood forming tissues
bundle of his
within interventricular septum, carries impulses to purkinje fibers causing ventricles to contract forcing blood into aorta adn pulmonary arteries
minimally invasive direct coronary artery bypass
MIDCABG, keyhole/buttonhole bypass
venae cavae
2 large veins that enter heart
veins
return waste filled blood to heart, thin walled with valves for 1 way flow, venules small veins join up to make larger vein
thrombus
blood clot attached to interior wall of vein or artery
coronary artery disease
CAD, atherosclerosis of coronary arteries, cause angina pectoris, myocardial infarction, and death
infarct
localized area of necrosis caused by interruption of blood supply
cardiac arrhythmia
dysrhythmia, irregularity or loss of normal rhythm
blood corpuscles
red and white blood cells, platelets
Infarction is?
A localized area of necrosis(death)in tissue, a vessel, organ or body part resulting from lack of oxygen (anoxia) due to interrupted blood flow to the area
Ventricle is?
The lower chambers of the heart
blood composition
55% liquid plasm, 45% formed elements (blood corpuscle)
pulmonary circulation
blood flows between heart and lungs, o2 poor goes out R ventricle to pulmonary arteries to lungs, o2 rich comes in L atrium from pulmonary veins
sinoatrial node
natural pacemaker, posterior wall of R atrium, starts contraction of both atria forcing blood into ventricles
high-density lipoprotein cholesterol
HDL, good, doesn't contribute to plaque buildup
The Tricuspid Valve is?
An atrioventricular valve found between the right atrium and the right ventricle
Chordae Tendineae is?
Tough fibrous bands of connective tissue that attach the cuspid valves to the walls
of the ventricles of the heart.
tricuspid valve
TV, 3 point opening between R atrium and R ventricle
arteries
carry o2 rich blood from heart to all points
pulmonary semilunar valve
half moon opening between R ventricle and pulmonary artery
Hyperlipidemia is?
An excessive level of fat in the blood
What is Pulmonary Circulation?
The circulation of deoxygentaed blood from the right ventricle of the heart to the lungs for oxygenation and back to the left atrium
What is a Pacemaker?
An electrical apparatus used to regulate the heart rate by causing the heart muscle to contract with elctrical stimulation
What is an Aneurysm?
Localized dilation of a weakened area of the wall of an artery
What is Mediastinum?
The area between the lungs in the chest cavity that contains the heart, aorta, trachea, esophagus, and bronchi
A Pulmonary Artery is?
A pair of Arteries that transprts deoxygenated blood from the right ventricle of the heart to teh lungs; the only arteries in the body to carry deoxygenated blood.
Palpations are?
A pounding or a racing of the heart, normally associated with emotional responses or heart disorders
What is a Bruit?
An abnormal sound or murmur heard when listening to the cartoid artery, organ or gland with a stethescope (auscultation).
What is an Aneurysmectomy?
The Surgical removal of the sac of an aneurysm.
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