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22 Cards in this Set
- Front
- Back
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hemorrhage
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discharge of blood from vascular compartment to exterior of body or in nonvascular body spaces
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hematoma
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hemorrhage in soft tissues
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pupura
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diffuse superficial hemorrhages in skin up to 1 cm
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ecchymosis
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superficial hemorrhage > 1 cm
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petechia
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pinpoint hemorrhage usually in skin or conjunctiva
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hyperemia
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excess amount of blood in an organ
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congestion
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passive hyperemia, engorgement of an organ with venous blood
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thrombosis
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formation w/in a vascular space of an aggregate or coagulated blood containing platelets, fibrin and entrapped cellular elements
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deep venous thrombosis (DVT)
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thrombosis of deep venous system of legs
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stasis
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stagnation of blood or other fluids
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embolus
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passage through venous/arterial circulation of any material capable of lodging in a blood vessel, obstructing lumen
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decompression sickness
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unique form of gas embolism occurring underwater, where. lg amts of inert gas are dissolved in body fluids forming gas bubbles in circulation if diver ascends too rapidly
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fat embolism syndrome
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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 injury and may cause fatal resp. failure
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infarction
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an area of ischemic coagulative necrosis produced by total occlusion of an artery
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pale infarct
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an infarct that becomes soft, light yellow and sharply delineated 1-2 days after initial hyperemia (heart, kidneys, brain, and spleen)
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red infarct
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distinguised by active bleeding into site of coagulative necrosis from adj. arteries and veins, typpical in organs with dual blood supply (lungs) or extensive collateral circulation (SI, brain)
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septic infarct
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results with necrosis tissue of an infarct is seeded by pyogenic bacteria and becomes infected
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ascites
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edema fluid in peritoneal cavity
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anasarca
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extreme generalized edema with conspicious fluid accumulation in subcutaneous tissue, visceral organs, and body cavities
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CHF
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syndrome that occurs when heart does not pump an adequate vol. of blood to meet the needs of the body
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pulm. edema
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increased fluid in alveolar spaces and interstitium of lung causing decreased gas exchange leading to hypoxia and hypercapnia
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cardiac tamponade
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a precipitious drop in cardiac output caused by pericardial fluid accumulatino
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