Blood vessel damage:
The fragility of capillaries depends on several factors, including the integrity of the capillary lining itself, as well as the platelet's ability to fill any gap in which it may occur.
The capillary resistance can be determined by a simple test called the Hess test, which can be performed by blowing the sleeve of the arterial pressure gauge around the upper arm until it reaches a constant pressure of 80 mm (or less if it reaches the systolic pressure) for five minutes.
Small hemorrhagic spots may occur in the presence of abnormalities in the wall of blood vessels, thrombocytopenia or poor thrombocytopenia, and can be counted after the release of pressure: less than 5 patches in the area of measurement 5 cm width under the pit of the elbow may be considered normal.
Elevated intravascular pressure may cause purpura in the absence of any other disease.
Small, simple blood lesions may occur from chronic coughing, prolonged vomiting or pressure on a localized area of the skin.
Direct injury caused by trauma or secondary to various factors such as the immune factors in the phenomenon of "Schwartzman" that result from the interaction against an antigen causing necrosis of the arteries and veins.
The fragility of capillaries depends on several factors, including the integrity of the capillary lining itself, as well as the platelet's ability to fill any gap in which it may occur.
The capillary resistance can be determined by a simple test called the Hess test, which can be performed by blowing the sleeve of the arterial pressure gauge around the upper arm until it reaches a constant pressure of 80 mm (or less if it reaches the systolic pressure) for five minutes.
Small hemorrhagic spots may occur in the presence of abnormalities in the wall of blood vessels, thrombocytopenia or poor thrombocytopenia, and can be counted after the release of pressure: less than 5 patches in the area of measurement 5 cm width under the pit of the elbow may be considered normal.
Elevated intravascular pressure may cause purpura in the absence of any other disease.
Small, simple blood lesions may occur from chronic coughing, prolonged vomiting or pressure on a localized area of the skin.
Direct injury caused by trauma or secondary to various factors such as the immune factors in the phenomenon of "Schwartzman" that result from the interaction against an antigen causing necrosis of the arteries and veins.
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skin diseases