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231 Cards in this Set

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cardiovascular system (CV)
consists of the pump and vessels that distribute blood to all areas of the body. This system allows for the delivery of needed substances to the cells of the body as well as for the removal of waste
cardiovascular system organs
heart
blood vessels
arteries
capillaries
veins
angi/o
vessel
aort/o
aorta
arteri/o
artery
arti/o
atrium
ather/o
fatty substance
cardi/o
heart
coron/o
heart
corpor/o
body
emboi/o
plug
isch/o
to hold back
myocardi/o
heart muscle
pect/o
chest
phleb/o
vein
sphygm/o
pulse
steth/o
chest
thromb/o
clot
valv/o
valve
valvul/o
valve
varic/o
dilated vein
vascul/o
blood vessel
vas/o
vessel/duct
ven/o
vein
ventricul/o
ventricle
-manometer
instrument to measure pressure
-ole
small
-tension
pressure
-tonic
pertaining to tone
-ule
small
arteries
blood vessels that carry blood away from the heart
blood vessels
closed system of tubes that conducts blood throughout body: consists of arteries, veins and capillaries
capillaries
smallest blood or lymphatic vessels, blood capillaries are very thin to allow gas, nutrients and waste exchange between blood and tissues; lymph capillaries collect lymph fluid from tissues and carry it to large lymph vessels
carbon dioxide(CO2)
waste product of cellular energy production; is removed from cells by blood and eliminated from body by lungs
circulatory system
also called cardiovascular sulystem. system that transports blood to all areas of the body: organs of the circulatory system include: heart and blood vessels, arteries, veins and capillaries,
de oxygenated
blood in veins that are low in oxygen content
heart
organ of cardiovascular system that contracts to pump blood through blood vessels. located in the mediastinum in center of chest cavity. more toward the left.
oxygen (02)
gaseous element absorbed by blood from air sacs in lungs; necessary for cells to make energy
oxygenated
term for blood with a high oxygen level
pulmonary circulation
pulmonary circulation transports deoxygenated blood from right side of heart to lungs where oxygen and carbon dioxide are exchanged; then it carries oxygenated blood back to left side of heart
systemic circulation
systemic circulation transports oxygenated blood from left side of heart to cells of body and then back to right side of heart
veins
blood vessels of cardiovascular system that carry blood toward heart
apex
directional term meaning tip or summit; am area of lungs and heart
cardiac muscle
involuntary muscle found in the heart
mediastinum
endocardium
inner layer of heart which is very smooth and lines chambers of heart. smooth and thin. reduces friction as the blood passes through the heart chambers
epicardium
outer layer of heart; forms part of pericardium
myocardium
middle layer of muscle, thick and composed of cardiac muscle; layer produces heart contractions. contracts to develop pressure required to pump blood through the vessels
parietal pericardium
outer layer of pericardium surrounding heart.
pericardium
double walled outer sac around heart, inner layer of pericardium is called epicardium, outer layer is the heart itself; this sac contains pericardial fluid that reduces friction caused by heart beating
visceral pericardium
inner layer of pericardium surrounding heart
internal view of heart
atria
3 upper chambers of heart, left atrium receives blood retuning from lungs and right atrium receives blood retuning from body
interatrial septum
wall or septum that divides left and right atria
ventricles
2 lower chambers of heart that receive blood from atria and pump it back out of heart; left ventricle pumps blood to body, and right ventricle pumps blood to lungs; also fluid filled spaces within cerebrum: certain cerebrospinal fluid, which is watery, clear fluid that provides protection from shock or sudden motion to brain.
interventricular septum
wall or septum that divides left and right ventricles
aortic valve
semilunar valve between left ventricle of heart and aorta in heart; prevents blood from flowing backwards into ventricles
atrioventricular valve (AV or A-V)
heart valves located between atrium and ventricle; includes tricuspid valve in right side of heart and bicuspid or mitral valve in left side of heart
bicuspid valve
valve between left atrium and ventricle; prevents blood from flowing backwards into atrium: has 2 cusps or flaps; also called mitral valve
cusps
leaflets or flaps of heart valve
mitral valve
valve between left atrium and ventricle in heart; prevents blood from flowing backwards into atrium: also called bicuspid valve because it has 2 cusps or flaps
pulmonary valve
semilunar valve between right ventricle and pulmonary artery in heart; prevents blood from flowing backwards into ventricles
semilunar valve
heart valves located between ventricles and great arteries leaving heart; pulmonary valve is located between right ventricle, and pulmonary artery and aortic valve are located between left ventricle abd aorta
tricuspid valve
valve between right atrium and ventricles of heart; prevents blood from flowing backwards into atrium, has 3 cusps or flaps
4 valves that control blood flow
1) tricuspid valve
2) pulmonary valve
3) mitral valve
4) aortic valve
aorta
largest artery in body; located in mediastinum and carries oxygenated blood away from left side of heart
diastole
period of time during which heart chamber is relaxed
inferior vena cava
branch of vena cava that drains blood from abdomen and lower body
pulmonary artery
large artery that carries deoxygenated blood from right ventricle to lung
superior vena cava
branch of vena cava that drains blood from chest and upper body
systole
period of time during which heart chamber is contracting
path of blood flow through heart chambers
atrioventricular bundle
In heart, conducts electrical impulse from atrioventricular node into ventricles formally called bundle of His
atrioventricular node
This area at junction of right atrium and ventricle receives stimulus from sinoatrial node and sends impulse to ventricles through bundle of His
autoimmune nervous system (ANS)
portion of nervous system consisting of nerves to internal organs that function involuntary; regulates functions of glands (especially salivary, gastric and sweat glands) , adrenal medulla, heart and smooth muscle tissue; system is divided into 2 parts: sympathetic and parasympathetic
bundle branches
part of conduction system of heart; electrical signal travels down interventricular septum
bundle of His
bundle of His is located in interventricular septum; receives electrical impulse from atrioventricular node and distributes it through ventricular walls, causing them to contract simultaneously
purkinje fibers
part of conduction system of heart: found in ventricular myocardium
sinoatrial node (SA)
Also called pacemaker of heart. area of right atria that indicates electrical pulse that causes heart to contact
condution system of heart
electrocardiogram (EKG) wave
3 types of blood vessels
1) arteries
2) capillaries
3) veins
lumen
space, cavity or channel within tube or tubular organ or structure in body such as vessels
s
comparative structure of blood vessels
arterioles
smallest branch of arteries; carries blood to capillaries
coronary arteries
group of 3 arteries that branch off aorta and carry blood to myocardium
arteries
large thick walled vessels that carry blood away from the heart. walls contain smooth muscle that contract or relax to change the size of the arterial lumen.
major arteries of body
capillary bed
network of capillaries found in a given tissue or organ. arterial blood flows into a capillary bed and venous blood flows back out.
venules
smallest veins; receive deoxygenated blood leaving capillaries. then merge into larger veins
blood pressure (BP)
measurement of pressure that is exerted by blood against walls of a blood vessel
diastolic pressure
lower pressure within blood vessels during relaxation: phase of heart beat. lower number of BP
pulse (P)
expansion and contraction produced by blood as it moves throug artery. pulse can be taken at several pulse points throughout the body where artery is close to surface
systolic pressure
maximum pressure within blood vessels during heart contraction. upper number of BP
major veins of body
angitits
inflammation of vessel
angiospasm
involuntary muscle contraction of the smooth muscle in the wall if a vessel. narrows the vessel
angiostenosis
narrowing of a vessel
embolus
The obstruction of a blood vessel by a blood clot that has broken off from a thrombus somewhere else in the body and traveled to the point of obstruction. If it occurs in a coronary artery it may result in a myocardial infraction
infract
an area of tissue within an organ or part that undergoes necrosis following the loss of its blood supply
ischemia
The localized and temporary deficiency of blood supply due to an obstruction to the circulation
murmur
a sound in addition to the normal heart sounds arising from blood flowing through the heart. This extra sound may or may not indicate heart abnormality
ortho static hypotension
The sudden drop in blood pressure a person experiences when standing straight up suddenly
palpitations
pounding racing heartbeat
plaque
a yellow, fatty deposit in an artery that is the hallmark of arthrostenosis also called an atheroma
atheroma
tumor like collection of fatty substances
regurgitation
to flow backwards. In the cardiovascular system this refers to the back flow of blood through a valve
thrombus
a blood clot forming within a blood vessel. may partially or completely occlude the blood vessel
angina pectoris
condition in which there is severe pain with a sensation of constriction around the heart. caused by a deficiency of oxygen to the heart muscle
arrhythmia
irregularity in the heartbeat or action. cones in many different forms: some are not serious while others are life threatening
bundle branch block (BBB)
occurs when the electrical impulse is blocked from traveling down the bundle of His or bundle branches. results in the ventricles beating at a different rate than the atria also called heart block
cardiac arrest
complete stopping of heart activity
cardiomegaly
enlarged heart
cardiomyopathy
General term for a disease of the myocardium. can be caused by alcohol abuse, patasites, viral infection and congestive heart failure. One of the most common reasons a patient may require a heart transplant
congenital septal defect (CSD)
a hole, present at birth, in the septum between 2 heart chambers. results in a mixture of oxygenated and deoxygenated blood. There can be an atrial septal defect (ASD) and a ventricular septal defect ( VSD)
congestive heart failure (CHF)
pathological condition of the heart in which there is a reduced outflow of blood from the left side of the heart because the left ventricle myocardium has become too weak to efficiently pump blood. results in weakness, breathlessness and edema
coronary artery disease (CAD)
insufficient blood supply to the heart muscle due to an obstruction of one or more coronary arteries. may be caused by atherosclerosis and may cause angina pectoris and myocardial infraction
endocarditis
inflammation of the lining membranes of the heart. may be due to bacteria or to an abnormal immunological response. In bacterial endocarditis the mass of bacteria that forms is referred to as vegetation
fibrillation
am extremely serious arrhythmia characterized by am abnormal quivering or contraction of heart fibers. When this occurs in the ventricles, cardiac arrest and death can occur. emergency equipment to defibrillate or convert the heart to a normal beat is necessary
flutter
an arrhythmia in which the atria beat too rapidly but in a regular pattern
heart valve prolapse
condition in which the cusps or flaps of the heart valve are too loose and fail to shut tightly, allowing blood to flow backward through the valve when the heart chamber contracts. Most commonly occurs in the mitral valve but may affect any of the heart valves
heart valve stenosis
The cusps or flaps of the heart valve are too stiff. Therefore they are unable to open fully, making it difficult for blood to flow throw shut tightly , allowing blood to flow backward. This condition may affect any of the heart valves
myocardial infraction
condition caused by the partial or complete occlusion or closing of one or more of the coronary arteries. symptoms include a squeezing pain or heavy pressure in the middle of the chest. A delay in treatment could result in death. Also referred to as a heart attack
myocarditis
inflammation of the muscle layer of the heart wall
pericarditis
inflammation of the pericardial sac around the heart
tetralogy of Fallot
combination of 4 congenital anomalies: pulmonary stenosis, an interventricular septal defect, improper placement of the aorta and hypertrophy of the right ventricle. needs immediate surgery to correct
valvulitis
inflammation of a heart valve
aneurysm
weakness in the wall of an artery resulting in localized widening of the artery. Although an aneurysm may develop in any artery, common sites include the aorta in the abdomen and the cerebral arteries in the brain
arteriorhexis
ruptured artery. may occur if an aneurysm ruptures an arterial wall
arteriosclerosis
thickening, hardening and loss of elasticity of the walls of the arteries. Most often due to atherosclerosis
atheroma
a deposit of fatty substance on the wall of an artery that bulges into and narrows the lumen of the artery. A characteristic of atherosclerosis. Also called a plaque
atherosclerosis
The most common form of arteriosclerosis. caused by the formation of yellowish plaques of cholesterol on the inner walls of arteries
coarctation of the aorta
severe congenital narrowing of the aorta
hemorrhoid
varicose veins in the anal region
hypertension
blood pressure above the normal range.
hypotension
decrease in blood pressure. cam occur in shock, infection, cancer, anemia and as death approaches
patent ductus arteriosus (PVD)
congenital heart anomaly in which the fetal connection between the pulmonary artery and the aorta fails to close at birth. This condition may be treated with medication and resolve with time. In some cases surgery is required
peripheral vascular disease (PVD)
Any abnormal condition affecting blood vessels outside the heart. symptoms may include pain, pallor, numbness and loss of circulation and pulses.
phlebitis
inflammation of vein
polyarteritis
inflammation of several arteries
Raynaud ' s phenomenon
periodic ischemic attacks affecting the extremities of the body, especially the fingers, toes, ears and nose. The affected extremities become cyanotic and very painful. These attacks are brought on by arterial constriction due to extreme cold or emotional stress
thrombophlebitis
inflammation of a vein resulting in the formation of blood clots within the vein
varicose veins
swollen and distended veins. usually in the legs
auscultation
process of listening to the sounds within the body by using stethoscope
sphygmomanometer
instrument for measuring blood pressure. Also referred to as blood pressure cuff
stethoscope
instrument for listening to body sounds such as chest, heart and intestines
cardiac enzymes
blood test to determine the level of enzymes specific to heart muscles in the blood. an increase of enzymes may indicate heart muscle damage such as myocardial infraction. The enzymes include: creatine phosphokinase (CPK) , lactate dehydroge-nase (LDH) and glutamic oxaloacetoc transaminase (GOT)
serum lipoprotein level
blood test to measure the amount if cholesterol and triglycerides in the blood. an indicator of atherosclerosis risk
angiogram
X ray of a vessel taken during angiography
angiography
X rays taken after the injection of am opaque material into blood vessel. can be performed on the aorta as an aortic angiography. on the heart as angiocardiography. and on the brain as cerebral angiography
cardiac scan
patient is given radioactive thallium intravenously and then scanning equipment is used to visualize the heart. It is especially useful in determining myocardial damage
doppler ultrasonography
measurement of sound wave echoes as they bounce off tissue and organs to produce an image. In this system used to measure velocity of blood moving through blood vessels to look for blood clots or deep vein thromoses
echocardiography
noninvasive diagnostic method using ultrasound to visualize internal cardiac structure, cardiac valve activity can be evaluated using this method
catheter
flexible tube inserted into the body for the purpose of moving fluids into or out of the body. . In the cardiovascular system a catheter is used to place dye into blood vessels so they may be visualized on X rays
cardiac catherization
passage of a thin tube catheter through a blood vessel leading to the heart. done to detect abnormalities to collect cardiac blood samples, and to determine the blood pressure within the heart
electrocardiogram
hard copy record produced by electrocardiography
Holter monitor stress testing
portable EGG monitor worn by a patient for a period of a few hours to a few days to assess the heart and pulse activity as the person goes through the activities of daily living. used to assess a patient who experiences chest pain and unusual heart activity during exercise and normal activities
stress testing
method for evaluating cardiovascular fitness. The patient us placed on a treadmill or a bicycle and then subjected to steadily increasing levels of work. an EKG and oxygen levels are taken while the patient exercises. tge test us stopped if abnormalities occur on the EKG. Also called an exercise test or a treadmill test
cardiopulmonary resuscitation
procedure to restore cardiac output and oxygenated air to the lungs f I r a person in cardiac arrest. A combination of chest compressions and respiration performed by one or 2 CPR trained rescuers
defibrillation
procedure that converts serious irregular heartbeats by giving electric shocks to the heart using instrument called a defibrilator. Also called cardioversion. automated external defibrillators (AED) are portable devices that automatically detect life threatening arrhythmias. abd deliver the appropriate electrical shock. they are designed to be used by non medical persons and are found I'm public places.
extra corporeal circulation (ECC)
During open heart surgery, the routing of blood to a heart lung machine so it can be oxygenated and pumped to the rest of body.
implantable cardioverter defibrilator (ICD)
device implanted in the heart that delivers an electrical shock to restore a normal heart rhythm. particularly useful for persons who experience ventricular fibrillation
pacemaker implantation
electrical device that substitutes for the pacemaker of the heart. It controls the beating of the heart by a series of rhythmic electrical impulses. an external pacemaker has the electrodes on the outside of the body. am internal pacemaker has the electrodes surgically implanted within the chest wall.
thrombolytic therapy
process in which drugs; such as streptokinase (SK)or tissue type plasminogen activator (tpa) are injected into a blood vessel to dissolve clots and restore blood flow
aneurysm ectomy
surgical removal of sac of an aneurysm
arterial anastomosis
surgical joining together of 2 arteries. performed if an artery is severed or it is damaged section of an artery is removed
atherectomy
surgical procedure to remove a deposit of fatty substance. an atheroma from an artery
coronary artery bypass graft
Open heart surgery in which a blood vessel from another location in the body (often leg vein) is grafted to route blood around a blocked coronary artery
embolectomy
removal of an embolus or clot from blood vessel
endarterectomy
removal of the diseased or damaged inner lining of an artery. usually performed to remove atherosclerosis plaques
heart transplantation
replacement of a diseased or malfunctioning heart with a donors heart
intracoronary artery stent
placement of a stent within a coronary artery to treat coronary ischemia due to atherosclerosis
ligation and stripping
surgical treatment for varicose veins. The damaged vein is tied off (ligation) and removed (stripping)
percutaneous transluminal coronary angioplasty
method for treating localized coronary artery narrowing. A balloon catheter is inserted through the skin into the coronary artery and inflated to dilate the narrow blood vessel
stent
stainless steel tube placed within a blood vessel or a duct to widen the lumen
valve replacement
removal of a diseased heart valve abd replaced with an artificial valve
valvoplasty
surgical procedure to repair a heart valve
ACE Inhibitor drugs
produce vasodilation and decrease blood pressure. ex: benazeptil, lotensin, catopril, capoten
antiarrhythmic
reduces or prevents cardiac arrhythmia
ex: flecainide, tambocor, ibutilide, corvert
anticoagulant
prevents blood clot formation.
ex: warfarin sodium, coumadin, warfarin
antipidemic
reduces amount of cholesterol and lipids in the bloodstream. treats hyperlipidemia.
ex: atorvastin, lipitor, simvastin, zocor
antiplatelet agents
inhibits the ability of platelets to clump together as part of a blood clot
ex: clopidogrel, plavix, aspirin, ticlopidine, ticlid
beta blocker drugs
treats hypertension and angina pectoris by lowering the heart rate.
ex: metopropol, lopressor, propranolol, inderal
calcium channel blocker drugs
treats hypertension, angina pectoris and congestive heart failure by causing the heart to beat less forcefully and less often
ex: diltiazem, cardizem, nifedipine, procardia
cardiotonic
increases the force of cardiac muscle contraction. treats congestive heart failure
ex: digoxin, lanoxin
diuretic
increases urine production by the kidneys which works to reduce plasma and therefore blood volume resulting in lower blood pressure
ex: furosemide, lasix
thrombolytic
dissolves existing blood clots
ex: tissue plasminogen activator (tpa), alteplase, activase
vasoconstrictor
contracts smooth muscle in walls of blood vessels raises blood pressure
ex; metaraminol, aramine
vasodilator
relaxes the smooth muscle in the walls of arteries thereby increasing diameter of the blood vessel. used for 2 main purposes; increasing circulation to an ischemic area and reducing blood pressure
ex: nitroglycerine, nitro-dur, isoxsuprine, vasodilan
AED
automated external defibrillator
AF
atrial fibrillation
AMI
acute myocardial infarction
AS
arteriosclerosis
ASD
atrial septal defect
ASHD
arteriosclerotic heart disease
AV, A-V
atrioventricular
BBB
bundle branch block
CABG
coronary artery bypass graft
CAD
coronary artery disease
CC
cardiac catherization chief complaint
CCU
coronary care unit
CoA
coarctation of the aorta
CP
chest pain
CSD
congenital septal resuscitation
CV
cardiovascular
CPR
cardiopulmonary resuscitation
ECC
extra corporeal circulation
ECG, EKG
electrocardiogram
ECHO
echocardiogram
GOT
glutamic oxaloacetic transaminase
HTN
hypotension
ICD
implantable cardioverter defibrilator
LVAD
left ventricular assist device
LVH
left ventricular hypertrophy
MI
myocardial infarction, mitral insufficiency
mm Hg
millimeters of mercury
MR
mitral regurgitation
MS
mitral stenosis
MVP
mitral valve prolapse
PAC
premature atrial contraction
PDA
patent ductus arteriosus
PTCA
percutaneous transluminal coronary angioplasty
PVC
premature ventricular contraction
S1
First heart sound
S2
Second heart sound
SA, S-A
sinoatrial
SK
streptokinase
tPA
tissue type plasminogen activator
V fib
ventricular fibrillation
VSD
ventricular septal defect
VT
ventricular tachycardia