chapter 5 terminology

angioplasty

surgical procedure that opens a blocked artery by inflating a small balloon within a catheter to widen and restore blood flow in the artery

arteries

large blood vessels that carry oxygenated blood away from the heart

capillaries

microscopic blood vessels joining arterioles and venules

congenital

pertaining to presence of a disorder at the time of birth, which may result from genetic or environmental causes

metabolism

sum of all physical and chemical changes that take place within an organism

myocardium

middle layer of the walls of heart that is composed of cardiac muscle

veins

vessels that return deoxygenated blood to the heart

cardiology

medical specialty that focuses on medical, surgical, and therapeutic treatments of heart diseases

cardiologist

the pediatric cardiologist who specializes in treating infants, children, and adolescents

angioplasty

coronary artery bypass

cardiovascular system

composed of the heart, which is essentially a muscular pump and an extensive network of blood vessels. the main purpose is to deliver oxygen, nutrients, and other essential substances to body cells and remove wast products of cellular metabolism

systole

a contraction

diastole

the resting period between contractions when the heart fills with blood

aneurysm/o

widening, widened blood vessel

arteri/o

artery

ather/o

fatty plaque

atri/o

atrium

cardi/o or coron/o

heart

phleb/o or ven/o

vein

thromb/o

blood clot

varic/o

dilated vein

vas/o

vessel; vas deferens; duct

vascul/o

vessel

ventricul/o

ventricle (of the heart or brain)

#NAME?

heart condition

#NAME?

record, writing

#NAME?

instrument for recording

#NAME?

process of recording

#NAME?

narrowing, stricture

brady-

slow

endo-

in, within

epi-

above, upon

peri-

around

artheroma

tumor of fatty plaque

atherosclerosis

hardening of fatty plaque

phlepitis

inflammation of a vein

phlebothrombosis

abnormal condition of a blood clot in a vein

venous

pertaining to a vein

venouspasm

sapsm of a vein

electrocardiograph

instrument for recording the electrical activity of the heart

cardiomegaly

enlargemnt of the heart

angiopathy

disease of blood vessels

angloma

tumor of a vessel

aortostenosis

narrowing of the aorta

tachycardia

rapid heart rate

bradycardia

slow heart rate

aneurysm

localized dilation of a blood vessel walldue to a congenital defect or weakness in the vessel wall

angina pectoris

mild to severe pain or pressure in the chest caused by ischemia; also called angina

arrhythmia

irregularity or loss of rhythm of the heartbeat; also called dysrhythmia

fibrillation

irregular, rando contraction of heart fibers that commonly occurs in the atria or ventricles of the heart and is usually described by the part that is contracting abnormally, such as atrial fibrillation or ventricular fibrillation

arteriosclerosis

thickening, hardening, and loss of elasticity of arterial walls; also called hardening of the arteries

artherosclerosis

most common form of arteriosclerosis caused by accumulation of fatty substances within the arterial walls, resulting in partial and, eventually, total blockage

bruit

soft blowing sound heard on auscultation cause by turbulent blood flow

embolus

mass of undissolved matter that travels through the bloodstream and becomes lodged in a blood vessel

heart block

desease of the electrical system of the heart, which controls activity of the heart muscle

first-degree heart block

atrioventricular block in which the atrial electrical impulses are delayed by a fraction of a second before being conducted to the ventricles

second-degree heart block

AV block in which only some atrial electrical impulses are conduct4ed to the ventricles

third-degree heart block

AV block in which no electrical impulses reach the ventricles; also called complete heart block

heart failure

condition in whcih the heart cannot pump enough blood to meet the metabolic requirement of body tissues; formerly called congestive heart failure

hypertension

consistently elevated blood pressure, causing damage to the blood vessels and ultimately, the heart

ischemia

inadequate supply of oxygenated blood to a body part due to an interruption of blood flow

mitral valve prolapse

structural abnormality in which the mitral valve does not close completely, resulting in a backflow of blood into the left atrium with each contraction

murmur

abnormal sound heard on auscultation caused by defects in the valves or chamber of the heart

myocardial infarction

necrosis of a portion of cardiac muscle caused by partial or complete occlusion of one or more coronary arteries; also called heart attack

patent ductus arteriosus

failure of the ductus arteriosus to close after birth, resulting in an abnormal opening between the pulmonary artery and the aorta

raynaud disease

severe, sudden vasoconstriction and spasm in fingers and toes followed by cyanosis after exposure to cold temperature or emotional stress; also called raynaud phenomenon

rheumatic heart disease

streptococcal infection that causes damage to the heart valves and heart muscle, most commonly in children and young adults

stroke

damage to part of the brain due to interruption of its blood supply caused by bleeding within brain tissue or, more commonly, blockage of an artery; also called verebrovascular accident

thrombus

a stationary blood clot formed within a blood vessel or within the heart, commonly causing vascular obstruction; also called blood clot

deep vein thrombosis

formation of a blood clot in a deep vein of the body, occurring most commonly in the iliac and femoral veins

transient ischemic attack

blood supply to part of the brain is briefly interupted but does not cause permanent brain damage and may be a warning sign of a more serious and debilitating stroke in the future; also called ministroke

cardiac catheterization

insertion of a small tube through an inciscion into a large vein, usually of an arm or leg that is then threaded through a blood vessel until it reaches the heart

cardiac enzyme studies

battery of blood tests performed to determine the presence of cardiac damage

echocardiography

ultrasound technique used to image the heart and evaluate how the heart's chambers and valves are working and to diagnose and detect pathological conditions

electrocardiography

creation and study of graphic recordings produced by electric activity generated by the heart muscles; also called cardiography

holter monitor

monitoring device worn by a patient that records prolonged electrocardiograph readings on a portable tape recorder while the patient conducts normal daily activities

stress test

electrocardiography taken under controlled exercise stress condition while measuring oxygen consumption

nuclear stress test

ECG that utilizes a radioisotope to evaluate coronary blood flow

troponin I

blood test that measures protein released into the blood by damaged heart muscle and is a highly sensitive specific indicatory of recent myocardial infarction

angioplasty

surgery that opens a blocked artery by inflating a small balloon within a catheter to widen and restory blood flow in the artery

coronary artery bypass graft

angioplasty in which peripheral vens are removed and each end of the vein is sutured onto the conronary artery to create new routes around narrowed and blocked arteries, allwing sufficient blood flow to deliever oxygen and nutrients to the heart muscle

cardioversion

restoration of normal heart rhythm by applying an electrical countershock to the chest using a device called a defibrillator; also called defibrillation

defibrillator

device used to administer a defibrillating electric shock to restore normal heart rhythm

(automatic implantable cardioverter-defibrillator) AICD

surgically implanted electrical device that automatically detects and corrects potentially fatal arrhythmias by delivering low-energy shocks to the heart; also called implantable cardioverter defibrillator

(automatic external defibrillator) AED

Portable computerized device that analyzes the patient's heart rhythm and delivers an electrical shock to stimulate a heart in cardiac arrest

endarterectomy

surgical removal of the lining of an artery

carotid endarterectomy

removal of plaque and thromboses from an occluded carotid artery to reduce the risk of stroke

(endovenous laser therapy) EVLT

treatment of large varicose veins in the legs in which a laser fiber is inserted directly into the affected vein to heat the lining within the vein, causing it to collapse, shrink, and eventually disappear; also called endovenous laser ablation

sclerotherapy

chemical injection into a varicose vein that causes inflammation and formation of fibrous tissue, which closes the vein. treatment for varicose veins.

valvuloplasty

insertion of a balloon catheter in a blood vessel in the groin through the aorta and into the heart to widen a stenotic heart valve and increase blood flow; also called percutaneous valvuloplasty

anticoagulants

prevent the clotting or coagulation of blood

beta blockers

slow the heart rate and reduce the force with which the heart muscle contracts, thereby lowering blood pressure

nitrates

relieve chest pain associated with angina and ease symptoms of heart failure

statins

reduce cholesterol levels in the blood and block production of an enzyme in the liver that produces cholesterol

thrombolytics

dissolve blood clots in a process known as thrombolysis

(coronary artery disease) CAD

a condition that involves narrowing of the coronary arteries resulting in failure of the arteries to deliver an adequate supply of exygenated blood to the heart muscle

varicose veins

swollen, distended veins most commonly seen in the lower legs

fibrillation

means irregular, random contraction of heart fibers

thrombolytics

are drugs used to dissolve a blod clot

embolus

is a mass of undissolved matter that travesl through the blood stream and becomes lodged in a blood vessel

HF

is a condition in which the heart cannot pump enough blood to meet the metabolic requirement of body tissues

DVT

refers to formation of a blood clot in a deep vein of the body

HTN

refers to blood pressure that is consistently higher than normal

arrhythmia

is irregularity or loss of heart rhythm

statin

is an agent that reduces cholesterol levels in the blood and blocks production of cholesterol in the liver

bruit

is a soft blowing sound caused by turbulent blood flow

stroke

refers to partial brain damage due to interruption of its blood supply, commonly caused by blockage of an artery

rheumatic heart disease

is a streptococcal infection that causes damage to heart valves and heart muscle

holter monitor

is a device worn by a patient that records prolonged electrocardiograph readings, usually for 24 hours, on a portable tape

raynaud disease

is numbness in fingers or toes due to intermittent constriction of arterioles in the skin

endarterectomy

is the excision of the lining of an artery

apnea

suspension of external breathing

desiccated

dried up

dyspnea

shortness of breath

EKG

electrocardiogram

fibrillation

rapid, irregular contraction of muscle fibers

malaise

feeling of discomfort or uneasiness, first indiccation of disease or infection

myocardial infarction

heart attack, interrupted blood supply to heart

ST segment-T wave

waves in electrocardiogram

syncope

fainting

tachycardia

fast heart rhythm

thyroidectomy

surgical removal of all a prat of thyroid gland

apnea

temporary cessation of breathing

postoperatively

occurring after an operation

anxiety

feeling of apprechension, worry, uneasiness, or dread

thyroiditis

inflammation of the thyroid gland

syncope

fainting

desiccated

dried up

tricuspid

the valve that contains three leaflets is the...

arteriostenosis

disorder characterized by thickening and calcification of arterial wals is...

cardiomegaly

a patient with an enlarged heart suffers from...

phlebitis

the diagnosis of inflammation of a vein is charted as...

nitrate

a drug that treats chest pain associated with angina is called a...

ischemia

decreased supply of oxygenated blood to a body part or organ is called

aneurysm

a widened, stretched out portion of a blood vessel that forms a bulge is called an...

MI

when heart tissue dies as a result of lack of oxygen, the patient has suffered a...