-
anemia
- lower than normal number of erythrocytes in the blood.
- decrease of hemoglobin in the blood.
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aneurysm
localized balloon like enlargement in the artery wall.
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angina pectoris
(angina) severe episodes of chest pain due to inadequate blood flow to the myocardium.
-
angiogram
picture or records of a blood vessel.
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aorta
- the largest blood vessel in the body.
- Left ventricle of the heart and forms main trunk of the arterial system.
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aortic valve stenosis
surgical narrowing of the aortic valve.
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apex
lower tip of the heart.
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arrhythmia
loss of normal rhythm of heart beat.
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arterioectomy
surgical removal of the artery
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aterionecrosis
necrotic artery due lack of oxygen to the tissue
-
arteriosclerosis
abnormal hardening of the artery due to excess plaque build up
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asystole
- complete lack of electrical activity in the heart.
- Lack of heart contractions leading to insufficient blood supply and blood flow.
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atherectomy
surgical removal of a fatty substance, or plaque.
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athersclerosis
abnormal hardening of plaque or fatty substance.
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atrial fibrillation (A-fib)
rapid, irregular, and twitching of the muscular heart wall.
-
AV node (atrioventricular node)
- receives impulses from SA node which is transferred to Bundle of His.
- Location: floor of the RA near interatrial septum.
-
basophils
least common WBC which is responsible for allergic reactions.
-
biscuspid valve (mitral valve)
- has 2 cusps
- Location: LEFT atrium & LEFT ventricle.
-
blood gases
- normally dissolved in the liquid portion of the blood.
- oxygen
- carbon dioxide
- nitrogen
-
blood pressure
measurement of the amount of systolic/diastolic pressure exerted against walls of the arteries.
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bradycardia
condition of slow resting heart rate.
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Bundle of His
- group of fibers located within the interventricular septum.
- electric impulses travel to L/R ventricles to Purkinje fibers.
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cardiac ischemia
lack of blood flow and oxygen to heart muscle.
-
cardiologist
physician who specializes in Dx/Tx abnormalities and disorders of the heart.
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cardiomegaly
abnormal enlargement of the heart.
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cardiovascular
Pertaining to the heart and blood vessels.
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carotid endarterectomy
surgical removal of the lining of the or a portion of a clogged carotid artery.
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cholesterol
fatty substance that is found in the blood and other parts of the body.
-
common carotid
- Location: both sides of the neck
- Function: major arteries that carry blood to the head.
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congestive heart failure
- most common in elderly.
- The heart is not able to pump out all the blood it receives.
- Decreased pumping=congestion.
-
coronary artery bypass graft (CABG)
procedure performed with a fiberoptic camera through small openings of the ribs.
-
defibrillation
use of electrical shock to restore the heart's normal rhythm.
-
deoxygenated
deficient in oxygen
-
diastole
relaxation of the heart
-
dialated cardiomyopathy
disease of the heart muscle that causes the heart to become enlarged and pump less strongly.
-
diuretic
medication used to increase urine secretion to rid the body of salt and water.
-
electrocardiography
process of recording the electrical impulses and activity of myocardium.
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embolism
sudden blockage of a blood vessel by an embolus (foreign object).
-
endocarditis
inflammation of the inner lining of the heart.
-
endocardium
- consists of epithelial tissue
- INNER LINING OF THE HEART.
-
eosinophils
- WBC
- formed in RBM
- destroy parasitic organisms
- play a major role in allergic reactions
-
epicardium
- EXTERNAL layer of the heart
- INNER layer of the pericaridum
-
erythrocytes
- matured RBCs produced in the RBM.
- transport oxygen to tissues.
-
external carotid
brings blood to the face.
-
fibrillation
rapid, uncontrolled heartbeat
-
heart attack
- also known as MYOCARDIAL INFARCTION.
- blockage of one or more arteries caused by plague build up.
-
hematologist
physician who specializes in Dx/Tx of abnormalities, diseases, disorders of the blood or blood forming tissues.
-
hemolytic
pertaining to the breakdown of RBCs
-
hemorrhage
loss of large amount of blood in a short time.
-
hemostasis
stop or control bleeding.
-
hyperplipidemia
elevated levels of cholesterol and other fatty substances in the blood
-
hypertension (HTN)
high blood pressure; elevation of arterial blood pressure.
-
hypotension
- lower than normal blood pressure.
- Symptoms include dizziness.
-
idiopathic hypertension
- consistently elevated blood pressure with unknown cause.
- primary hypertension
-
infarction
sudden insufficiency of blood
-
inferior vena cava
drains blood from lower extremities to the heart.
-
interatrial septum
septum that separates the R/L atrium.
-
internal carotid
brings oxygen to the brain
-
interventricular septum
separates the R/L ventricles
-
ischemia
condition of insufficient supply of oxygen in tissues due to restricted blood flow to the part of the body.
-
left-sided heart failure
- also known as pulmonary edema; accumulation of fluid in the lungs.
- left side of the heart is unable to pump oxygenated blood from the lung.
-
leukemia
cancer characteristic of abnormal increase of WBC found in the blood, tissues, and/or circulating blood.
-
leukocytes
- WBC
- defends body against infective organisms.
-
lumen
opening within the blood vessels
-
lymphocytes
- formed in the RBM, spleen, and lymph nodes.
- they identify foreign substances and germs then produce antibodies that specifically target them.
-
mitral valve
- also known as BICUSPID VALVE.
- located LA/LV
- has 2 cusps
-
mitral valve prolasped
falling or dropping down of an affected valve (mitral)
-
myocardial infarction
- also known as a HEART ATTACK.
- caused by blockage of one or more coronary arteries caused by plaque build up.
-
myocardial muscle
also known as the MYOCARDIUM
-
myocarditis
- inflammation of the myocardium.
- can develop as a complication of a viral infection.
-
myocardium
- middle and thickest layer of the heart.
- creates pumping movement that is necessary to maintain the blood flow throughout the body.
-
monocytes
- WBC formed in the RBM, spleen, and lymph nodes.
- they destroy pathogens through phagocytosis (engulf and digest).
-
natural pacemaker
- referred to SA node (sinoatrial node)
- it establishes the basic rhythm and rate of the heart.
-
neutrophil
- most common type of WBC
- defense against pathogens by surrounding and swallowing.
-
occlursion
total blockage
-
oxygenated
rich in oxygen
-
P wave
stimulation of the atria (contraction)
-
palpitation
pounding, racing heart beat.
-
parietal pericardium
fibrous sac that surrounds and protects the heart.
-
paroxysmal atrial tachycardia
episode that begins and ends abruptly which there are very rapid regular heartbeats originating in the atrium or AV node.
-
perfusion
flow of blood through the vessels of an organ
-
pericardial fluid
- between the parietal and visceral pericardium.
- it acts as a lubricant to prevent friction as the heart beats.
-
percardial sac
double walled membranous sac that encloses the heart.
-
pericarditis
- inflammation of the percardium.
- accumulation of fluid in the pericardial sac.
- excess fluid can restrict the heart to beat.
-
peripheral artery disease
caused by atherosclerosis
-
phagocytosis
process of destroying pathogens by surrounding and swallowing them.
-
phlebitis
inflammation of the vein due to infiltrated walls forming a clot.
-
plaque
fatty deposit found within the lumen of an artery.
-
plasmapheresis
- removal of whole blood from the body
- separation of blood's cellular elements.
-
proplasped
falling or dropping down of an organ or internal part.
-
pulmonary
pertaining to the lungs
-
pulmonary circulation
blood flow between the heart and lungs.
-
pulmonary artery
carries deoxygenated blood from RV and into the lungs
-
pulmonary veins
carry oxygenated blood from lungs to LA
-
pulmonary edema
- also known as left sided heart failure.
- inefficient pumping of oxygen rich blood from the lungs into the RA.
- accumulation of fluid=congestion.
-
QRS complex
stimulation of ventricles (contraction) as the atria relaxes.
-
Rh negative (Rh-)
about 15% of Americans do not have the Rh antigen.
-
Rh positive (Rh+)
about 85% of Americans have the Rh antigen.
-
right-sided heart failure
- fluid build up through the rest of the body.
- The right side of the heart is unable to pump causing edema of the lower extremeties.
-
sinoatrial node (SA node)
- Location: posterior wall of RA near the entrance of superior vena cava.
- it is also known as "natural pacemaker" since it establishes the basic rhythm and rate of the heart.
-
pulmonary semilunar valve
- Location: between the RV and pulmonary artery
- it allows deoxygenated blood to flow to the lungs for gas exchange.
-
aortic semilunar valve
- Location: LV & aorta
- allows oxygen rich blood to flow through into the aorta and carried out to the rest of the body.
-
septicemia
- condition where bacteria is found in the blood leading to severe infections.
- "septic"
-
superior vena cava
transports deoxygenated blood from upper portion of the body into the RA.
-
systole
contraction of the heart.
-
T wave
recovery of ventricles; relaxation
-
purkinje fibers
- specialized conductive fibers that receive impulses from Bundle of His to cells within the ventricles causing CONTRACTION.
- Location: within walls of ventricles.
-
tachycardia
- abnormally rapid resting heart rate
- 100+ beats per min.
-
thrombocytes
platelets which play an important role in clotting.
-
thrombocytosis
abnormal increase of platelets in the blood.
-
thrombolytic
PT to the breakdown of a thrombus or clot.
-
thrombosis
abnormal condition of having a thrombus
-
thrombus
a blood clot attached to the interior wall of an artery or vein.
-
tricuspid valve
- has 3 cusps
- controls blood flow from RA to RV.
-
valvoplasty
surgical repair (replacement) of a valve
-
varicose veins
abnormally swollen veins usually occurring in the superficial veins of the legs.
-
vascular
PT to the blood vessels
-
vasculitis
inflammation of a blood vessel
-
venous stenosis
condition of narrowing, stiffening, thickening blockage of one or more veins.
-
ventricle
- two lower chambers of the hert
- divided by the interventricular septum
- has thicker walls to pump blood out to the rest of the body.
-
ventricular fibrillation (V-fib)
- consist of rapid, irregular useless contractions of the ventricles.
- Atrium chambers are pumping regularly.
-
ventricular tachycardia (V-tach)
rapid heartbeat that begins with the ventricles
-
visceral pericardium
- inner layer
- also forms outer layer over the epicardium
-
valvular prolapse
the abnormal protrusion of a heart valve that results in the inability of the valve to close completely.
-
orthostatic hypotension
low BP when standing up
-
myelodysplastic syndrome
insufficient production of one or more blood cells.
-
perinicious anemia
caused by lack of protein that helps the body absorb vitamin B12.
-
hemochromatosis
genetic disorder of intestines absorbing too much iron.
-
anticoagulant
prevents new clots from forming
-
coumadin
prevents clots from producing or forming more clots
-
nitroglycerin
- vasodilator that is prescribed to prevent or relieve pain of agina by dilating blood vessels.
- increases blood flow and oxygen supply.
-
ACE inhibitor
- antihypertensive
- relaxes vessels to decrease elevated BP.
- blocks the action of an enzyme that causes vessels to contract.
-
beta blocker
- reduces the workload of the heart by slowing the rate of the heartbeat.
- antihypertensive
-
percutaneous transluminal coronary angioplasty (PTCA)
- balloon angioplasty
- small balloon that flattens the plaque deposit in the artery.
-
restenosis
condition when stent no longer works and requires a new replacement.
-
coronary artery bypass graft (CABG)
- also known as bypass surgery
- a piece of vein from leg or chest is implanted into the heart to replace a blocked coronary artery.
-
defibrillation
use of electrical shock to restore heart's normal rhythm.
-
cardiopulmonary resuscitation (CPR)
emergency procedure for life support consisting of artificial respiration and manual external cardiac compression.
-
plasmapheresis
removal of whole blood from the body and separation of blood's cellular elements.
-
serum
plasma without clotting proteins.
-
type A blood
has antigen A and B antibodies
-
type B blood
has antigen B and A antibodies
-
type AB blood
has AB antigens and NO ANTIBODIES
-
type O blood
- no antigens
- CANNOT receive type A, B, AB blood
-
coronary heart disease (CHD)
caused by athersclerosis
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