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22 Cards in this Set

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hemorrhage
a discharge of blood from the vascular compartment to the exterior of the body or into nonvascular body spaces
hematoma
hemorrhage into the soft tissues
purpura
diffuse superficial hemorrhages in the skin up to 1 cm. in diameter
ecchymosis
a superficial hemorrhage larger than 1 cm.
petechia
a pinpoint hemorrhage usually in the skin or conjunctiva
hyperemia
an excess amount of blood in an organ
congestion
passive hyperemia; engorgement of an organ with venous blood
thrombosis
formation within a vascular space of an aggregate of coagulated blood containing platelets, fibrin and entrapped cellular elements
deep venous thrombosis (DVT)
thrombosis of the deep venous system of the legs
stasis
stagnation of the blood or other fluids
embolus
the passage through venous/arterial circulation of any material capable of lodging in a blood vessel, obstructing the lumen
decompression sickness
a unique form of gas embolism occurring underwater, where large amounts of inert gas are dissolved in body fluids forming gas bubbles in the circulation if the diver ascends too rapidly
fat embolism syndrome
caused by severe trauma to fat-containing tissue as occurs in bone fractures, where emboli of fat are released into damaged blood vessels; appears 1-3 days after the injury and may cause fatal respiratory failure
infarction
an area of ischemic coagulative necrosis produced by total occlusion of an artery (usually by a thrombus)
pale infarct
an infarct that becomes soft, light yellow and sharply delineated 1-2 days after the initial hyperemia; typical in heart, kidneys, brain and spleen
red infarct
an infarct that is distinguished by active bleeding into the site of coagulative necrosis from adjacent arteries and veins; typical in organs with a dual blood supply (lung) or extensive collateral circulation (small intestine, brain)
septic infarct
results when necrotic tissue of an infarct is seeded by pyogenic bacteria and becomes infected
ascites
edema fluid in the peritoneal cavity
anasarca
extreme generalized edema with conspicious fluid accumulation in subcutaneous tissue, visceral organs and body cavities
congestive heart failure
a syndrome that occurs when the heart does not pump and adequate volume of blood to meet the needs of the body
pulmonary edema
increased fluid in the alveolar spaces and interstitium of the lung causing decreased gas exchange leading to hypoxia and hypercapnia
cardiac tamponade
a precipitous drop in cardiac output caused by pericardial fluid accumulation