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angi/o
blood or lymph vessel
aort/o
aorta
arteri/o
artery
arther/o
plaque, fatty substance
brady-
slow
cardi/o
heart
-crasia
a mixture of blending
-emia
blood, blood condition
erythr/o
red
hem/o, hemat/o
blood, relating to the blood
leuk/o
white
phleb/o
vein
tachy-
fast, rapid
thromb/o
clot
ven/o
vein
ACE inhibitor
medication administered to treat hypertension and congestive heart failure.
anemia
a disorder characterized by lower than normal levels of red blood cells in the blood.
aneurysm
a localized weak spot or balloon-like enlargement of the wall of an artery.
angina
episodes of severe chest pain due to inadequate blood flow to the myocardium.
angioplasty
mechanically widening a narrowed or obstructed blood vessel.
anticoagulant
medication that slows coagulation and prevents new clots from forming.
aplastic anemia
a condition marked by the absence of all formed blood elements.
arrythmia
a loss of the normal rhythm of the heartbeat.
atherectomy
surgical removal of plaque buildup from the interior lining of an artery.
atheroma
a deposit of fatty plaque on or within the arterial wall.
athersclerosis
hardening and narrowing of the arteries due to a buildup of cholesterol plaque.
atrial fibrillation
irregular twitching of the muscular wall of the atria.
automated external defibrillator
electronic equipment that externally shocks the heart to restore a normal cardiac rhythm.
beta-blocker
medication administered to reduce 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 resting heart rate, usually at a rate of less than 60 beats per minute.
cardiac arrest
an event in which the heart abruptly stops beating or develops an arrhythmia that prevents it from pumping blood.
cardiac catherterization
a diagnostic procedure in which a catheter is passed into a vein or artery and then guided into the heart.
cardiomyopathy
all diseases of the heart muscle.
carotid endarterectomy
the surgical removal of the lining of a portion of a clogged carotid artery.
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 artery disease
atherosclerosis of the coronary arteries that reduces the blood supply to the heart muscle.
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.
diuretic
medication administered to increase urine secretion to rid the body of excess salt and water.
electrocardiogram
a diagnostic test that measures the electrical activity within muscle fibers in response to nerve stimulation.
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.
endocarditis
inflammation of the inner lining of the heart.
erythrocytes
red blood cells
hemoglobin
the oxygen-carrying blood protein pigment of the erythrocytes.
hemolytic anemia
condition characterized by an inadequate number of circulating red blood cells due to their premature destruction by the spleen.
hemostasis
to stop or control bleeding.
leukemia
a type of cancer characterized by a progressive increase in the number of abnormal leukocytes found in blood forming tissues, other organs, and in the circulating blood.
leukocytes
white blood cells
leukopenia
a decrease in the number of white blood cells circulating in the blood.
megaloblastic anemia
a blood disorder characterized by anemia in which the red blood cells are larger than normal.
myelodysplastic syndrome
a type of cancer in which there is 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 caused by plaque buildup (heart attack)
orthostatic hypotension
low blood pressure that occurs upon standing up.
pernicious anemia
anemia caused by a lack of a protein that helps the body absorb vitamin B12 from the gastrointestinal tract.
phelbitis
inflammation of a vein.
Raynaud's disease
a peripheral arterial occlusive disease in which intermittent attacks are triggered by cold or stress.
sepsis
an infection that results from bacteria or other infectious organisms entering the bloodstream.
sickle cell anemia
a genetic disorder that causes abnormal hemoglobin, resulting in some red blood cells assuming an abnormal sickle shape.
tachycardia
an abnormally rapid resting heartbeat usually at a rate of more than 100 beats per minute.
temporal arteritis
a form of vasculitis that can cause headaches, visual impairment, jaw pain, and other symptoms.
thallium stress test
performed to evaluate blood flow to the heart during exercise by injecting a small amount of thallium into the blood.
thrombocytopenia
a condition in which there is an abnormally small number of platelets circulating in the blood.
thrombolytic
medication that dissolves or causes a thrombus to break up.
thrombosis
the abnormal condition of having a thrombus.
thrombotic occlusion
the blocking of an artery by a thrombus.
thrombus
a blood clot attached to the interior wall of an artery or vein.
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
an inflammation of a heart valve.
varicose veins
abnormally swollen veins, usually occurring in the superficial veins of the legs.
ventricular fibrillation
rapid, irregular, and useless contractions of the ventricles.
ventricular tachycardia
a very rapid heartbeat that begins within the ventricles.
pericardium
the double-walled membranous sac that encloses the heart
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