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76 terms

Medical Terminology, Chap 5

Ehrlich Medical Terminology for Professionals, 6th edition. Chapter 5 word parts and terms.
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angi/o
blood or lymph vessel
aort/o
aorta
arteri/o
artery or arteries
ather/o
plaque or fatty substance
brady-
slow
cardi/o
heart
-crasia
a mixture or blending
-emia
blood or blood condition
erythr/o
red
hem/o, hemat/o
blood
leuk/o
white
phleb/o
vein
tachy-
rapid
thromb/o
clot
ven/o
vein
ACE inhibitor
blocks the action of the enzyme that causes the blood vessels to contract, resulting in hypertension
anemia
a lower than normal number of red blood cells in the blood
aneurysm
a localized weak spot or balloon-like enlargement of the wall of an artery
angina
a condition of episodes of severe chest pain due to inadequate blood flow to the myocardium
angioplasty
a procedure in which a small balloon is used to open a partially blocked coronary artery by flattening the plaque deposit and stretching the lumen
anticoagulant
medication that slows blood coagulation and prevents new clots from forming; also known as a thrombolytic or clot-busting drug
antihypertensive
medication administered to lower blood pressure
aplastic anemia
a condition marked by the absence of all formed blood elements
arrhythmia
an abnormality, or the loss of the normal rhythm, of the heartbeat
atherectomy
surgical removal of plaque from the interior lining of an artery
atheroma
a deposit of plaque on or within the arterial wall
atherosclerosis
hardening and narrowing of the arteries due to a buildup of cholesterol plaques
atrial fibrillation
when the normal rhythmic contractions of the atria are replaced by rapid, irregular twitching of the muscular heart wall
automated external defibrillator
electronic equipment that automatically samples the heart's electrical rhythms and when necessary, externally shocks the heart to restore a normal cardiac rhythm
beta-blocker
a medication that reduces the workload of the heart by slowing the rate of the heartbeat
blood dyscrasia
any pathologic condition of the cellular elements of the blood
bradycardia
an abnormally slow heartbeat, usually at a rate of less than 60 beats per minute
cardiac arrest
an event in which the heart abruptly stops or develops a very abnormal arrhythmia that prevents it from pumping blood
cardiac catheterization
a diagnostic procedure in which a catheter is passed into a vein or an artery and is guided into the heart
cardiomyopathy
the term used to describe all diseases of the heart muscle
carotid endarterectomy
surgical removal of the lining of a portion of a clogged carotid artery leading to the brain
cholesterol
a fatty substance that travels through the blood and is found in all parts of the body
chronic venous insufficiency
a condition in which venous circulation is inadequate due to partial vein blockage or leakage of venous valves
coronary thrombosis
damage to the heart muscle caused by a thrombus blocking a coronary artery
defibrillation
the use of electrical shock to restore the heart's normal rhythm; also known as cardioversion
diuretic
medication administered to stimulate the kidneys to increase the secretion of urine to rid the body of excess sodium and water
electrocardiogram
a record of the electrical activity of the myocardium
embolism
the sudden blockage of a blood vessel by an embolus
embolus
a foreign object - such as a blood clot, quantity of air or gas, or a bit of tissue or tumor - that is circulating in the blood; plural, emboli
endocarditis
inflammation of the inner lining of the heart
erythrocytes
mature red blood cells
hemoglobin
the iron-containing pigment of the erythrocytes that transports oxygen from the lungs to all of the body tissues
hemolytic anemia
a condition of an inadequate number of circulating erythrocytes due to the premature destruction of these cells by the spleen
hemostasis
the arrest or control of bleeding
ischemic heart disease
a group of cardiac disabilities resulting from an insufficient supply of oxygenated blood to the heart
leukemia
a malignancy characterized by a progressive increase in the number of abnormal leukocytes found in hemopoietic tissues, other organs, and the circulating blood
leukocytes
white blood cells
leukopenia
any situation in which the total number of leukocytes in the circulating blood is less than normal
megaloblastic anemia
a blood disorder in which red blood cells are larger than normal
myelodysplastic syndrome
a group of bone marrow disorders that are characterized by the insufficient production of one or more types of blood cells due to dysfunction of the bone marrow
myocardial infarction
the occlusion of one or more coronary arteries resulting in an infarct of the affected myocardium; also known as a heart attack or an MI
orthostatis hypotension
low blood pressure that occurs in a standing posture; also known as postural hypotension
paroxysmal atrial tachycardia
an episode that begins and ends abruptly, during which there are very rapid and regular heartbeats that originate in the atrium
pericardium
the double-walled membranous sac that encloses the heart
pernicious anemia
a form of anemia caused by a lack of the protein tha thelps the body absorb vitamin B12, which is necessary for the formation of red blood cells
phlebitis
inflammation of a vein or veins
Raynaud's phenomenon
a peripheral arterial occlusive disease in which intermittent attacks are triggered by cold or stress
septicemia
a systemic disease caused by the spread of microorganisms and their toxins via the circulating blood; also known as blood poisoning
sickle cell anemia
a genetic disorder that causes abnormal hemoglobin, resulting in some red blood cells assuming an abnormal sickle shape
tachycardia
an abnormally fast heartbeat, usually at a rate of more than 100 beats per minute
thallium stress test
a diagnostic test performed to evaluate how well blood flows through the coronary arteries to the heart muscle during exercise
thrombocytopenia
a condition in which there is an abnormally small number of platelets in the circulating blood
thrombolytic
medication that slows coagulation and prevents new blood clots from forming; also known as an anticoagulantor clot-busting drug
thrombosis
the abnormal condition of having a thrombus; plural, thromboses
thrombotic occlusion
the blocking of an artery by a thrombus
thrombus
a blood clot attached to the interior wall of a vein or an artery
transfusion reaction
a serious and potentially fatal complication of a blood transfusion in which a severe immune response occurs because the patient's blood and the donated blood do not match
valvulitis
inflammation of a heart valve
varicose veins
abnormally swollen veins, usually occuring in the legs
ventricular fibrillation
the rapid, irregular, and useless contractions of the ventricles
ventricular tachycardia
a very rapid heartbeat that begins within the ventricles