ChapterⅢHemodynamicDisorderSection 1. Hyperemia and Congestion
Chapter Ⅲ Hemodynamic Disorder Section 1. Hyperemia and Congestion
To thoracic duct and eventuallyto left subclavianveinIncreasedinterstitialfluidpressureHydrostaticpressurePlasma colloidosmoticpressureVenousendCAPILLARYBEDArterialend
一. Arterial hyperemia1. Definition:Increasedvolumeof arterialinflow山an organ or tissue (hyperemia2. Common types:(1) Physiologic: exercise -→ skeletal muscle(2)Pathologic:atthe fociof inflammation(3) Hyperemia after reducing pressure
一 . Arterial hyperemia 1. Definition: Increased volume of arterial inflow in an organ or tissue (hyperemia) 2. Common types: (1) Physiologic: exercise skeletal muscle (2) Pathologic: at the foci of inflammation (3) Hyperemia after reducing pressure
3.Sequelae:(l)Restore:ifcausesabated(2)Hemorrhage:hypertension,AS二、CongestionResulting from an isolate venous obstructionaccumulation of blood in veinlet and capillary
3. Sequelae : (1) Restore: if causes abated (2) Hemorrhage: hypertension , AS 二、Congestion Resulting from an isolate venous obstruction accumulation of blood in veinlet and capillary
Etiology(一)11. Veins being pressed:Tumor → press local veinpseudolobulehepatic sinus2.Venous obstruction: thrombosis3. Heart failure:left→pulmonarycongestionright →hepatic congestion
(一) Etiology 1. Veins being pressed: Tumor → press local vein pseudolobule →hepatic sinus 2. Venous obstruction: thrombosis 3. Heart failure: left →pulmonary congestion right →hepatic congestion