重庆医科大学：《病理学》课程教学课件（PPT讲稿）disorder of blood flow

树 重麦路科大骨 hongging Medical University Hemodynamic Disorders Depart.Of Pathol.CQMU

Hemodynamic Disorders Depart. Of Pathol. CQMU

国重走牛利大子 ongqing Medical University Hemodynamic disorders are characterized by disturbed perfusion that results in organ and cellular injury

Hemodynamic disorders are characterized by disturbed perfusion that results in organ and cellular injury

圈 重麦等科大昂 ongging Medical University Hyperemia 1.Definition: Increased blood volume in a particular part of the body(tissue or organ) 2.Type: Arterial hyperemis Venous hyperemia

Hyperemia 1.Definition: Increased blood volume in a particular part of the body(tissue or organ) 2.Type: Arterial hyperemis Venous hyperemia

圈重走华种大导 ongqins里Med山eal Univers (1)Arterial hyperemia active hyperemia increased blood flow to an organ, resulting in increased blood content

(1) Arterial hyperemia active hyperemia increased blood flow to an organ, resulting in increased blood content

重麦等科大学 ongging Medical University Physiological:blushing for shyness,muscular exercise,erections Pathological:at the beginning of the inflammation

Physiological: blushing for shyness, muscular exercise,erections Pathological: at the beginning of the inflammation

國重走普种大 ongqing Medical University Pathological Changes The affected tissue or organ is redder because of the engorgement with oxygenated blood. The temperature in local area is higher than normal the function of affected organ is increased

Pathological Changes : The affected tissue or organ is redder because of the engorgement with oxygenated blood. The temperature in local area is higher than normal the function of affected organ is increased

重蹇等科大学 ongging Medical University (2)Venous hyperemia(Congestion) passive congestion decreased blood flow from an organ, resulting in increased blood content.This happens when something is interfering with the organ's venous drainage. Congestion is more common and important than arterial hyperemia

(2)Venous hyperemia(Congestion) passive congestion decreased blood flow from an organ, resulting in increased blood content. This happens when something is interfering with the organ's venous drainage. Congestion is more common and important than arterial hyperemia

国重走普升大子 ongqins里Med山eal Univers Causes 1)Compression of veins Pregnant uteri-iliac vein Expansile tumors or scar tissue Mesenteric veins

Causes: 1) Compression of veins Pregnant uteri-iliac vein Expansile tumors or scar tissue Mesenteric veins

网 重麦等科大学 nongging Medical University 2)Obstruction of venous lumen:venous thrombi 3)Heart failure

2) Obstruction of venous lumen: venous thrombi 3) Heart failure

重蹇暗科大学 ngqing Medical University (2)General features of venous hyperemia Morphology The effects of congestion to the body Edema Hemorrhage Injury of parenchymal cells Fibrosis

(2) General features of venous hyperemia Morphology The effects of congestion to the body Edema Hemorrhage Injury of parenchymal cells Fibrosis