意大利整骨Pathophysiology_3.2讲解材料.pptVIP

Pathophysiology through clinical cases - Leg and Foot - CLINICAL CASE 2;Clinical Case;Clinical Case;A rapidly spreading bacterial infection that tends to follow fascial planes and causes tissue necrosis Signs and Symptoms Sensory Deficit Severe pain in areas of infection Other Deficits Erythema Skin ulcerations and bullae Fever and chills Predisposing Factors Diabetes Immunosuppression Trauma, surgery, fracture Bacterical contamination of skin cuts or abrasions;In this condition blood clots form in veins of extremities, most often the lower limb, where there are two sets of veins: superficial and deep The two groups communicate via perforating veins that have valves to direct blood from superficial to deep; valves also prevent clots in the superficial veins from reaching the deep set;Signs and Symptoms Sensory Deficit Focal areas of pain in leg and/or foot Other Deficits Erythema Skin warmer than normal Edema Predisposing Factors Long periods of inactivity (e.g. hospitalization, immobility following surgery and long distance travel) Trauma (with or without surgery or casting) Fracture;Clinical Case;Clinical Case;Clinical Case;Clinical Case;Clinical Case;At first, these symptoms may appear only when the patient walks uphill, faster, or for longer distances and go away after several minutes of rest. Slowly, these symptoms come on more quickly and with less exercise. When peripheral artery disease becomes severe, you may have: Pain and cramps at night or tingling in the feet or toes, which can be so severe that even the weight of clothes or bed sheets is painful. Pain that is worse when?you raise the?leg and improves when you dangle your legs over the side of the bed. Skin that looks dark and blue, with sores?that do not heal.;During an examination, the health care provider may find: A whooshing sound with the stethoscope over the artery (arterial bruits) Decreased blood pressure in the affected limb Weak or absent pulses in the limb When PAD is more severe, finding