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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.
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.
paediatric trauma: child pedestrian struck by motor vehicle: Head trauma, thoracic and/or abdominal trauma, femoral fracture Watson's water hammer pulse: Sir Thomas Watson, 1st Baronet: cardiology: aortic regurgitation: J. Suvarna Watson's water hammer pulse Journal of Postgraduate Medicine 2008-04-01: bounding forceful pulse elicited with ...
Download as PDF; Printable version; In other projects ... Black heel and palm; Other names: Calcaneal petechiae, Chromidrose plantaire, Post-traumatic punctate ...
Glomerulations appear as checkerboard/lattice patterns, splotches, or pinpoint-sized red marks on the bladder. [7] [8] Glomerulations are classified into five grades that take into consideration the type and location of injury: Grade 0 (normal mucosa), Grade I (petechiae in at least two quadrants), Grade II (large submucosal bleeding), Grade III (diffuse global submucosal bleeding), and Grade ...
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]
A wound is any disruption of or damage to living tissue, such as skin, mucous membranes, or organs. [1] [2] Wounds can either be the sudden result of direct trauma (mechanical, thermal, chemical), or can develop slowly over time due to underlying disease processes such as diabetes mellitus, venous/arterial insufficiency, or immunologic disease. [3]
Petechiae – small pinpoint hematomas less than 3 mm in diameter Purpura (purple) – a bruise about 3–5 mm in diameter, generally round in shape Ecchymosis – subcutaneous extravasation of blood in a thin layer under the skin, i.e. bruising or "black and blue", over 1 cm in diameter [ 3 ]