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Petechia of the lower leg in a person with platelets of 3 due to ITP (immune thrombocytopenia).The most common cause of petechiae is through physical trauma such as a hard bout of coughing, holding breath, vomiting, or crying, which can result in facial petechiae, especially around the eyes.
Causes can include coughing, vomiting, heavy lifting, straining during acute constipation or the act of "bearing down" during childbirth, as these activities can increase the blood pressure in the vascular systems supplying the conjunctiva. Other causes include blunt or penetrating trauma to the eye.
Shingles can affect the eye and even cause vision loss. The condition is caused by the same virus as chickenpox. ... Treatment: Petechiae marks will go away with time while undergoing treatment ...
The sudden impact on the thorax causes an increase in intrathoracic pressure. [4] In order for traumatic asphyxia to occur, a Valsalva maneuver is required when the traumatic force is applied. [ 6 ] Exhalation against the closed glottis along with the traumatic event causes air that cannot escape from the thoracic cavity.
Purpura (/ ˈ p ɜːr p jʊər ə / [1]) is a condition of red or purple discolored spots on the skin that do not blanch on applying pressure. The spots are caused by bleeding underneath the skin secondary to platelet disorders, vascular disorders, coagulation disorders, or other causes. [2]
Petechiae are seen on the chest, axilla, shoulder, and mouth. [5] Occulsion of dermal capillaries by the fat emboli result in petechial rash. Petechiae rash occurs in 50 to 60% of the cases. [7] Neurologic signs such as confusion, stupor, and coma may be present. These are usually temporary and do not happen on one side of the body.
There are numerous causes of palpable purpura, such as autoimmune diseases, drug reactions, vaccinations, and infections.The most common infectious causes are N. gonorrhoeae, S. aureus, and N. meningitides, however palpable purpura has also been caused by Mycoplasma spp., Rickettsiae, Mycobacterium, and very rarely by Treponema pallidum, Brucella spp., Yersinia, Campylobacter, and Bartonella.
For a long time, H. aegyptius has been known to cause seasonal epidemics of acute purulent conjunctivitis (minor cases of pink eye). The harsher effects of Hemophilus aegyptius that typically manifest themselves in Brazilian Purpuric Fever are typically seen during the summer months with few cases of BPF reported during the winter months.