r reducing pressureРdepartment of pathologyРPassive hyperaemia?may be pathological meaning?When impaired venous drainage, are called passive hyperaemia? also called congestion? may occur as a systemic? occur as a localizedРdepartment of pathologyРPathogenesis of congestion? 1. localized? Р 2. Systemic: heart failureРdetainingРPressureРdepartment of pathologyРMorphology:? wet? weight? blue-red coloration? temperatureРan increase of deoxygenated haemoglobinРdepartment of pathologyРMorphology:РNormal capillaryРcongestionРCongestive edemaРCongestive haemorrhageРCongestive sclerosisРcongestion of ans :? 1.congestion of lung:? pathogenesis--- ? familiar in left ventricular failureРleft ventricular failure ? elevated left atrial pressure? elevated pulmonary venous pressureРdepartment of pathology
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