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Shock

circulatory crisis marked by low blood pressure and inadequate peripheral blood flow

pacemaker

artificial device to give electrical conduction to atria

mitral valve prolapse

leaking valve; left atrium

mitral stenosis

narrowing of the bicuspid, increases resistance of blood flow

hypotension

low blood pressure, less than 90/60 mm Hg

hypertension

high blood pressure, pre-hypertension 120/80

hemorrhage

bleeding from a blood vessel

heart murmur

a swishing sound heard due to faulty valves

gangrene

tissue decay due to lack of blood supply; may lead to death of tissue (necrosis)

frostbite

local tissue damage caused by extreme cold

edema

swelling

embolism, pulmonary

a blood clot that is moving in blood vessel to the lungs

electrocardiogram

recording of electrical activity of the heart

congestive heart failure

left heart failure; inability of the left ventricle to pump effectively resulting in congestion of circulation

cardiomyopathy

disease of the myocardium

angina pectoris

severe chest pain

angioplasty

procedure in which occluded vessel is opened

varicose veins

enlarged vein in which blood pools

thrombocytopenia

abnormally low platelet count

sickle cell anemia

sever, possibly fatal, hereditary disease caused by an abnormal type of hemoglobin

rheumatic fever

inflammatory condition developing after bacterial infection; may cause valve problems; may cause heart and/or kidney problems

phlebitis

vein inflammation often with blood clots

pericarditis

inflammation of the sac around the heart

myocarditis

inflammation of the heart muscle

myocardial infarction

heart attack

mononucleosis

contagious viral infection of blood that causes irregularly shaped RBCs; virus spread through saliva

hodgkin's disease

cancer, enlarged lymph nodes, spleen and liver. 90% survival rate

hemophilia

any group of X-linked inherited blood clotting disorders; lack Factor XIII, needed in the blood clotting process

erythroblastosis fetalis

disease of the Rh factor in a second or later Rh+ child born to a Rh- mother

endocarditis

inflammation of the lining of the heart

chronic leukemia

overgrowth of leukocytes in bone marrow

atherosclerosis

build up of lipids in blood vessels; may lead to arteriosclerosis. may lead to ischemia - reduced blood supply to tissue

arteriosclerosis

thickening, hardening, and loss of elasticity in blood vessels

aneurysm

abnormal bulge in wall of blood vessel

anemia

deficient number of red blood cells or deficient hemoglobin. caused by excessive destruction of RBCs, blood loss, inadequate production of RBCs, inherited disorders

Acute leukemia

cancer of WBC, abnormal production, accumulate in marrow, drop in RBC, WBC and platelets; usually fatal in less than one year

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