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blocks the action of the enzyme that causes the blood vessels to contract, resulting in hypertension
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
medication that slows blood coagulation and prevents new clots from forming; also known as a thrombolytic or clot-busting drug
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
a medication that reduces the workload of the heart by slowing the rate of the heartbeat
an event in which the heart abruptly stops or develops a very abnormal arrhythmia that prevents it from pumping blood
a diagnostic procedure in which a catheter is passed into a vein or an artery and is guided into the heart
surgical removal of the lining of a portion of a clogged carotid artery leading to the brain
chronic venous insufficiency
a condition in which venous circulation is inadequate due to partial vein blockage or leakage of venous valves
the use of electrical shock to restore the heart's normal rhythm; also known as cardioversion
medication administered to stimulate the kidneys to increase the secretion of urine to rid the body of excess sodium and water
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
the iron-containing pigment of the erythrocytes that transports oxygen from the lungs to all of the body tissues
a condition of an inadequate number of circulating erythrocytes due to the premature destruction of these cells by the spleen
ischemic heart disease
a group of cardiac disabilities resulting from an insufficient supply of oxygenated blood to the heart
a malignancy characterized by a progressive increase in the number of abnormal leukocytes found in hemopoietic tissues, other organs, and the circulating blood
any situation in which the total number of leukocytes in the circulating blood is less than normal
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
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
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
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
a peripheral arterial occlusive disease in which intermittent attacks are triggered by cold or stress
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
thallium stress test
a diagnostic test performed to evaluate how well blood flows through the coronary arteries to the heart muscle during exercise
a condition in which there is an abnormally small number of platelets in the circulating blood
medication that slows coagulation and prevents new blood clots from forming; also known as an anticoagulantor clot-busting drug
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
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