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Touro . Medical Terminology. Ch 14
Chapter 14: Cardiovascular System
211
Health Care
Graduate
08/07/2014

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Term
Aort/o
Definition
Aorta
Term
Aortostenosis
Definition
Refers to narrowing of the aorta
Term
Atri/o
Definition
Atrium
Term
Atrium
Definition
Refers to each of the two (left anf right) upper chambers of the heart
Term
Arteri/o
Definition
Artery
Term
Arteriosclerosis
Definition
Refers to hardening of an artery
Term
Arteriol/o
Definition
Arteriole
Term
Arteriolitis
Definition
Refers to inflammation of an arteriole
Term
Apheresis
Definition
Removal of blood
Term
Therapeutic apheresis
Definition
Refers to the removal of a component of the blood that contributes to a disease state.
Term
-poiesis
Definition
Formation
Term
Hematopoiesis
Definition
Refers to formation of blood
Term
Hemostasis
Definition
Control of blood flow
Term
Homeostasis
Definition
A steady state
Term
Heart
Definition
The organ of circulation of the blood
Term
Atrium

Also give the plural form
Definition
One of the two, left and right, upper chambers of the heart.

Also known as the auricle

These upper chambers collect blood

Plural = atria
Term
Ventricle
Definition
One of the two, left and right, lower chambers of the heart.

They pump blood from the heart
Term
Apex
Definition
The pointed end, of the heart
Term
Tricuspid
Definition
Having three points of cusps

Situated between the right atrium and the right ventricle
Term
Valves
Definition
In membrane in a passage to prevent backward flow
Term
Pulmonary semilunar
Definition
Pertaining to the lung and resembling a crescent valve.
Located between the right ventricle and the pulmonary artery
Term
Mitral
Definition
Shaped like a miter, also called bicuspid valve.
Situated between the left atrium and the left ventricle
Term
Aortic
Definition
Located between the left ventricle and the aorta
Term
Septum
Definition
A dividing wall between the right and left sides of the heart
Term
Myocardium
Definition
Middle, thickest layer of the heart wall, made of cardiac muscle
Term
Pericardium
Definition
The fibroserous sac enclosing the heart
Term
Endocardium
Definition
Lining membrane of the heart's cavities
Term
Epicardium
Definition
The visceral pericardium
Term
Sinoatrial node, or SA node
Definition
Atypical muscle fibers at the junction of the superior vena cava and right atrium.

It originates the cardiac rhythm and is therefore called the pacemaker of the heart
Term
Atrioventricular node
Definition
Purkinje fibers beneath the endocardium of the right atrium in the septum
Term
Bundle of His
Definition
Cardiac muscle fibers connecting the atria and ventricles of the heart
Term
Circulation
Definition
Movement in circuitous course.

As the movement of blood through the heart and blood vessels
Term
Pulmonary
Definition
Movement of blood through the lungs and the pulmonary artery
Term
Systemic
Definition
Pertaining to movement of blood to the body as a whole
Term
Portal
Definition
Circulation of blood through the gastrointestinal tract and spleen through the portal vein to the liver.
Term
Aorta
Definition
The great artery arising from the left ventricle. The largest artery
Term
Artery
Definition
A vessel in which in which blood flows away from the heart, carrying oxygenated blood
Term
Coronary arteries
Definition
Arteries from the base of the aorta that supply the heart muscle with blood
Term
Vein
Definition
Vessel in which blood flows toward the heart, carrying blood with little oxygen
Term
Vena cava
Definition
Largest vein.
Inferior vena cava: the venous trunk from the lower the lower viscera.

Superior vena cava: the venous trunk draining blood from the head, neck, upper limbs, and thorax
Term
Capillary
Definition
A minute, hairlike vessel connecting arterioles and venules
Term
Red blood cells, rbcs
Definition
Red corpuscles.
One of the formed elements in peripheral blood.

They contain hemoglobin and transport oxygen enter also called erythrocytes
Term
White blood cells, WBCs
Definition
Colorless blood corpuscles capable of ameboid movement.

Protect the body against pathogenic microorganisms.

There are five types of white blood cells. Also called leukocytes
Term
Granulocytes
Definition
Any cells containing granules, especially a granular leukocyte.

Formed in the bone marrow. There are three types: neutrophils, eosinophils, and basophils.
Term
Neutrophils
Definition
Having a nucleus with 3-5 lobes and cytoplasm containing very fine granules.

Neutrophils defend the body by ingesting invaders.

A Type 1 WBC.
Term
Eosinophils
Definition
Having a nucleus with two lobes and cytoplasm containing coarse, round granules.

May be associated with allergy.

A Type 2 WBC.
Term
Basophils
Definition
Any structure cells staining readily with basic dyes.

Functions unknown.

A Type 3 WBC.
Term
Agranulocytes
Definition
Non-granular leukocytes, produced by the spleen and lymph nodes. There are two types.
Term
Lymphocytes
Definition
Participate in immunity.

Produced by the spleen and lymph nodes.

A Type 4 WBC.
Term
Monocytes
Definition
Destroy foreign invaders in the body.

A Type 5 WBC.
Term
Fibrinogen
Definition
Promotes blood clotting
Term
Thrombocytes
Definition
Blood platelets
Term
Plasma
Definition
The fluid portion of blood or lymph, without the sales, amber colored.

When whole blood is on distributed in a tube, clotting cells settle in the bottom, and the clear plasma is on top
Term
Serum
Definition
The clear portion of blood separated from solid elements.

Plasma minus fibrinogen
Term
Platelet
Definition
A disk shaped structure in the blood, for blood coagulation.

Also called thrombocyte
Term
Reticulocytes
Definition
Immature red blood cells, in the bone marrow
Term
Landsteiner types
Definition
Refers to the type of red blood cell: A, B, AB, & O
Term
Universal donor
Definition
A person with group O blood.

Frequently used in emergency transfusion
Term
Universal recipient
Definition
Able to receive blood of any type.

Group AB
Term
Type and crossmatch

(X match)
Definition
Determination of the compatibility of the blood of a donor and that of a recipient before transfusion by placing the donor's cells in the recipien's serum and the recipient's cells in the donor's serum.

Absence of agglutination, hemolysis, and cytotoxicity indicates compatibility.
Term
Rh factors
Definition
A genetically determined antigen, present on the surface of erythrocytes.

There are at least 8 variations.

It is named for rhesus monkeys used in early experiments.

One Rh factor present in blood means it is Rh positive.

If no factor is found, the blood is Rh negative.
Term
Hypertension
Definition
Persistently high arterial blood pressure. Causes may or may not be identifiable
Term
Sphygmomanometer
Definition
An instrument for measuring arterial blood pressure
Term
Systolic pressure
Definition
The contraction, or period of contraction, of the heart, especially of the ventricles.

The top number in a blood pressure reading.
Term
Diastolic pressure
Definition
The dilation, or the period of dilation of the heart, especially of the ventricles.

The bottom number in a blood pressure reading.
Term
Normal BP range
Definition
An acceptable range for systolic pressure is less than or equal to 120, and for diastolic less than 80
Term
Anemia
Definition
Reduction below normal of red blood cells, hemoglobin, or the volume of packed red cells in the blood . A symptom of various disorders
Term
Aneurysm
Definition
A sac formed by localized dilation of an artery or vein
Term
Angina pectoris
Definition
Pain in the chest, caused by decreased supply of oxygen to the heart muscle. Can be precipitated by increased activity or stress
Term
Arrhythmia
Definition
Variation from the normal rhythm of the heartbeat
Term
Arteriosclerosis
Definition
Thickening and loss of elasticity of the arterial walls, slowing the flow of blood
Term
Asystole
Definition
Cardiac standstill. No heartbeat
Term
Atherosclerosis
Definition
A form of arteriosclerosis in which fats, such as cholesterol, are deposited on arterial walls
Term
Cardiac arrest
Definition
Cessation of heart function
Term
Coarctation
Definition
Stricture or narrowing of a vessel
Term
Cyanosis
Definition
Dark, slightly bluish discoloration of the skin resulting from reduced hemoglobin in the blood
Term
Congenital defects
Definition
Defects present at birth
Term
Patent ductus arteriosus
Definition
Birth defect. Duct with an abnormal open lumen in the ductus arteriosus
Term
Tetralogy of Fallot
Definition
Birth defect consisting of pulmonic stenosis, interventricular septal defect, hypertrophy of right ventricle, and transposition of the aorta
Term
Congestive heart failure.

CHF
Definition
Defective blood pumping system, marked by breathlessness and abnormal retention of sodium and water
Term
Embolism
Definition
The sudden blocking of an artery by an embolus
Term
Endocarditis
Definition
Exudative and proliferative inflammation of the endocardium
Term
fibrillation
Definition
A small, local, involuntary muscular contraction, caused by spontaneous activation of single muscle cells or muscle fibers.
Term
Coronary thrombosis
Definition
Thrombosis of a coronary artery, often leading to myocardial infarction
Term
Infarction
Definition
A localized area of ischemic necrosis owing to exclusion of the arterial supply
Term
Myocardial infarction
Definition
Gross necrosis of the myocardium, caused by decreased blood supply to the area
Term
Occlusion
Definition
Obstruction, a closing off of the coronary arteries, leading to a heart attack
Term
Heart block
Definition
Impairment of conduction in heart excitation.

Often applied specifically to arterioventricular heart block
Term
Heart murmur
Definition
Auscultatory sound, (soft, blowing), a periodic sound of short duration of cardiac origin.

May be the result of an incompetent valve
Term
Hemophilia
Definition
Hereditary hemorrhagic conditions caused by lack of one or more clotting factors.
Term
Hodgkin's disease
Definition
Painless progressive enlargement of lymph nodes, spleen, and lymphoid tissue.

Symptoms include anorexia, lassitude, weight loss, fever, itching, night sweats, and anemia.
Term
Hypertension
Definition
Persistently high arterial blood pressure.

Causes may or may not be identifiable
Term
Ischemia
Definition
Deficiency of blood in a part.

Caused by spasm of blood vessel, temporarily reducing blood flow
Term
Leukemia
Definition
Malignant disease of the blood forming organs, for example abnormal proliferation and development of leukocytes and related cells in blood and bone marrow
Term
Myocarditis
Definition
Inflammation of the myocardium
Term
Pericarditis
Definition
Inflammation of the pericardium
Term
plaque
Definition
A deposit of fatty material in the artery (atherosclerosis)
Term
Rheumatic heart disease
Definition
The most important manifestation and sequel to rheumatic fever, consisting chiefly of valvular deformities.
Term
Stroke.

(Cerebrovascular accident [CVA])
Definition
A sudden and acute vascular lesion of the brain caused by hemorrhage, embolism, thrombosis, or rupturing blood vessels.
Term
thrombophlebitis
Definition
Inflammation of a vein associated with thrombus formation
Term
Transient ischaemic attack

(TIA)
Definition
Brief interruption of circulation to a portion of the brain owing to vascular spasm, causing temporary loss of function.

A precursor to CVA.
Term
Varicose veins
Definition
A dilated, tortuous vein, usually in the leg, caused by a defective venus valve
Term
Angiography
Definition
X-ray technique using injected contrast medium to visualize the heart and blood vessels
Term
Angioplasty
Definition
Surgical or percutaneous reconstruction of blood vessels
Term
Balloon angioplasty
Definition
Insertion of a balloon to dilate a vessel
Term
Anticoagulant
Definition
Any substance that removes or prevents blood clotting
Term
Antihypersensitive drug
Definition
a drug that reduces or eliminates high blood pressure
Term
Auscultation
Definition
The act of listening for sounds within the body chiefly to ascertain the condition of the thoracic or abdominal viscera.

May be performed with the unaided ear or with a stethoscope.
Term
Bradycardia
Definition
Slowness of the heartbeat, as evidenced by a pulse rate of less than 60.
Term
Bypass
Definition
A surgically created route to circumvent the normal path.
Term
Cardiac catherization
Definition
A long, fine catheter is navigated through a peripheral blood vessel into the chambers of the heart using x-ray visualization as a guide.
Term
Cardiac enzyme test
Definition
Test on drawing blood samples to determine if theres damage to the myocardial muscle.
Term
Collateral circulation
Definition
Circulation by secondary channels after obstruction of the principal channel supplying the heart.
Term
commissurotomy
Definition
Surgical incision of a defective heart valve to increase the size of the orifice.

Commonly done to separate adherent, thickened leaflets of a stenotic mitral valve.
Term
computed axial tomography

(CAT scan or CT scan)
Definition
Diagnostic x-ray technique that uses ionizing radiation to produce cross-sectional images of the body.

The x-ray feeds the images into a computer that produces cross-sectional pictures.
Term
Coronary artery bypass graft
Definition
Use of a leg vein or synthetic material to substitute for an occluded artery in the heart.
Term
Digitalize
Definition
To administer digitalis in a dosage schedule designed to reduce and maintain optimal heart contraction with nominal side effects.
Term
Diuretic
Definition
An agent that promotes removal of excess interstitial fluid and results in increased urine secretion.
Term
Doppler
Definition
A device for measuring blood flow that transmits and reflects sound waves.
Term
dyscrasia
Definition
Any abnormal condition of the blood
Term
Echocardiography
Definition
Diagnostic procedure using ultrasound waves to study the structure and motion of the heart and to detect changes in some heart disorders.
Term
Endarterectomy
Definition
Excision of thickened areas of the innermost coat of an artery to increase blood flow.
Term
Exercise stress test
Definition
Test widely used to assess cardiac function by means of subjugating the patient to controlled amouns of physical stress, such as the treadmill, pedaling a stationary bike, or climbing stairs.
Term
Hemoglobin
Definition
The oxygen-carrying pigment of the red blood cells.

It contains iron and copper.
Term
Heparin
Definition
The substance that counteracts blood clotting, existing both as a natural substance in the blood and as a drug.
Term
Holter monitor
Definition
A portable device for monitoring blood pressure or heart/respiratory rate.

For example ECG
Term
Low salt diet
Definition
Common term for a diet low in sodium content to reduce body water level.

Correctly termed sodium restricted diet.
Term
Lumen
Definition
The cavity or channel within a tube.

For example, a blood vessel
Term
Magnetic resonance imaging

MRI
Definition
Non-invasive procedure that uses strong magnetic fields and radio frequency waves to peoduce images of soft tissue, heart, blood vessels, and brain.

It can also show the heartbeat and blood flow.

Used to detect possible tumors and other pericardial conditions.
Term
Pacemaker
Definition
That which sets the pace at which a phenomenon occurs.

Often used alone to indicate the natural cardiac pacemaker or an artificial cardiac pacemaker.
Term
Phlebotomy
Definition
Incision of a vein
Term
Positron emission tomography

PET
Definition
Computerized x-ray technique using radioactive substances, which are given by injection, to measure blood flow and metabolic activity of the heart and blood vessels.

The radiation emitted is measured by the PET camera.
Term
Percutaneous transluminal coronary angioplasty

PTCA
Definition
Dilation of a blood vessel by means of a balloon catheter inserted through the skin and into the chosen vessel and then passed through the lumen of the vessel to the site of the lesion, where the balloon is inflated to flatten plaque against the artery wall.
Term
Serum lipid test
Definition
Tests on drawing blood samples to measure the amount of cholesterol, triglyceride, and lipoprotein substances in the blood.
Term
Sinus rhythm
Definition
The normal heart rhythm originating in the sinoatrial SA node
Term
Tachycardia
Definition
Abnormally rapid heart rate.
Term
Thallium stress test
Definition
Thallium injections are given intravenously in conjunction with the stress test to determine whether there are changes in coronary blood flow during exercise.

Changes may be indicative of ischemia, severe coronary narrowing, or infarction.
Term
Thrombolysis
Definition
Injection of a drug to dissolve a blood clot and restore blood flow in the coronary artery to prevent heart damage during a heart attack.
Term
vasodilator
Definition
An agent that dilates blood vessels
Term
vasopressor
Definition
An agent that constricts blood vessels
Term
Venipuncture
Definition
Puncture of a vein with a needle to withdraw blood or infuse fluid.
Term
ALL

What does this abbreviation stand for?
Definition
Acute lymphocytic leukemia
Term
AMI

What does this abbreviation stand for?
Definition
Acute myocardial infarction
Term
AML

What does this abbreviation stand for?
Definition
Acute myeloblastic leukemia

(myeloblast: primitive bone marrow WBC)
Term
ASD

What does this abbreviation stand for?
Definition
Arterial septal defect
Term
ASHD

What does this abbreviation stand for?
Definition
Arteriosclerotic heart disease
Term
BASO

What does this abbreviation stand for?
Definition
Basophil (type of WBC)
Term
BBB

what does this abbreviation stand for?
Definition
Bundle branch block
Term
BP

What does the abbreviation stand for?
Definition
Blood pressure
Term
CABG

What does it stand for?
Definition
Coronary artery bypass graft
Term
CBC

What does it stand for?
Definition
Complete blood count
Term
CCU

What does it stand for?
Definition
Coronary care unit
Term
CHF

What does it stand for?
Definition
Congestive heart failure
Term
CO2

What does it stand for?
Definition
Carbon dioxide
Term
CPR

What does it stand for?
Definition
Cardiopulmonary resuscitation
Term
CVA

What does it stand for?
Definition
Cerebrovascular accident
Term
DOE

What does it stand for?
Definition
Dyspnea on exertion
Term
DVT

What does it stand for?
Definition
Deep vein thrombosis
Term
ECG, EKG

What does it stand for?
Definition
Electrocardiogram
Term
ECHO

What does it stand for?
Definition
Echocardiogram
Term
Eos

What does it stand for?
Definition
Eosinophil (type of WBC)
Term
HDL

What does it stand for?
Definition
high-density lipoprotein
Term
LDL

What does it stand for?
Definition
Low-density lipoprotein
Term
Lymph

What does it stand for?
Definition
Lymphocyte (type of WBC)
Term
MI

What does it stand for?
Definition
Myocardial infarction
Term
Mono

What does it stand for?
Definition
Monocyte (a type of WBC)

"Mono"also can mean mononucleosis
Term
MRI

What does it stand for?
Definition
Magnetic resonance imaging
Term
MVP

What does it stand for?
Definition
Mitral valve prolapse
Term
O2

What does it stand for?
Definition
Oxygen
Term
PMI

What does it stand for?
Definition
Point of maximal impulse, of heart on chest wall
Term
PMN

What does it stand for?
Definition
polymorphonuclear (leukocyte)
Term
PTCA

What does it stand for?
Definition
Percutaneous transluminal coronary angioplasty
Term
PVC

What does it stand for?
Definition
Premature ventricular contractions
Term
RBC

What does it stand for?
Definition
Red blood cell, red blood cell count
Term
SA

What does it stand for?
Definition
Sinoatrial
Term
Segs

What does it stand for?
Definition
White blood cells with segmented nuclei
Term
TIA

What does it stand for?
Definition
Transient ischemic attack
Term
VSD

What does it stand for?
Definition
Ventricular septal defect?
Term
VT

What does it stand for?
Definition
ventricular tachycardia
Term
WBC

What does it stand for?
Definition
White blood cell, white blood cell count
Term
Adenoids
Definition
Masses of lymph tissue near the opening into the pharynx
Term
antibodies
Definition
Substances produced by the body in response to foreign organisms
Term
capillaries (lymphatic)
Definition
Smallest of the lymph vessels, they transport interstitial fluid back to the blood via large lymph vessels
Term
Ducts (lymphatic)
Definition
The largest of the lymph vessels, point of entry to blood circulation
Term
Fluid (lymphatic)
Definition
Interstitial fluid in the lymph vessels
Term
Nodes (lymphatic)
Definition
Collections of lymphatic tissue
Term
Macrophage (lymphatic)
Definition
Large cells involved in defending against infection.

Found in lymph nodes, liver, spleen, lungs, brain, and spinal cord.
Term
Lymphocytes (lymphatic)
Definition
Leukocytes originating from stem cells and developing in the bone marrow.
Term
Phagocytes (lymphatic)
Definition
Cells that engulf and destroy bacteria.
Term
Spleen
Definition
Large organ located behind the stomach that filters blood to remove pathogens and serves as a blood reservoir.
Term
T cells (lymphatic)
Definition
Important part of the immune response.

Provide defense against disease by attacking foreign and abnormal cells.
Term
Thymus gland
Definition
Endocrine gland that stimulates red bone marrow to produce T lymphocytes (T cells).
Term
Tonsils
Definition
3 masses of lymphatic tissue that help protect against harmful substances gaining entry through the mouth and nose.
Term
Carinii pneumonia
Definition
Pneumonia caused by a common worldwide parasite to which most people have a natural immunity.
Term
Hypersplenism
Definition
Enlargement of the spleen.

Splenomegaly
Term
Kaposi's sarcoma
Definition
Malignant tumor of the blood vessels associated with AIDS
Term
Lymphadenopathy
Definition
Any disorder of the lymph nodes or lymph vessels.
Term
Lymphoma
Definition
Malignant tumor of the lymph nodes and lymph tissue.
Term
Mononucleosis
Definition
Benign self-limiting acute infection of B lymphocytes usually caused by Epstein-Barr virus.
Term
pneumonocystic pneumonia
Definition
A rare form of pneumonia in AIDS patients.
Term
sarcoidosis
Definition
A systemic inflammatory disease characterized by small rounded lesions forming on the spleen, lymph nodes, and other organs.
Term
Sarcoma
Definition
A malignant neoplasm of the connective and supportive tissues of the body.
Term
Antiarrhythmic
Definition
Corrects cardiac arrhythmias
Term
Anti-
Definition
Against
Term
Arrhythm/o
Definition
Rhythm
Term
-ic
Definition
Pertaining to
Term
Anticoagulant
Definition
Prevents clot continuation information
Term
Coagul/o
Definition
Clotting
Term
Antihypersensitive
Definition
opposes high pressure (blood)
Term
Hyper-
Definition
Excess
Term
Tensive
Definition
Pertaining to tension or pressure
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