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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.
appearance of petechiae after compression of arm by bandage or blood pressure cuff Hildreth's sign: DH Hildreth: dermatology: glomus tumor: Relief of pain at tumor site upon vascular occlusion of limb, with acute return of pain on reperfusion Hippocratic face: Hippocrates: palliative care: impending death: Hippocratic fingers: Hippocrates ...
Other causes of thrombocytopenia which may occur in pregnancy, such as drug induced thrombocytopenia, hereditary thrombocytopenia and pseudothrombocytopenia should also be ruled out. [63] ITP can be difficult to distinguish from gestational thrombocytopenia (which is by far the most common cause of thrombocytopenia in pregnancy). Unlike ITP ...
It is characterized by progressive lower extremity edema distal to the thigh, tight shiny skin, cyanosis (inadequate blood oxygenation), petechiae or purpura, and sudden severe pain of the affected limb in proportion to the level of venous blockage. Patients often have difficulty walking.
The cause of death was revealed to be acute fat embolism, which resulted from the blunt force impact caused by the beatings, which led to the fatty tissue entering the bloodstream and eventually entering the blood vessels in the lungs, which led to a blockage and cut off the circulation of oxygenated blood and led to Ee's death by respiratory ...
Mechanism of injury Reference Bankart's fracture: Arthur Bankart: Fracture of anterior glenoid associated with anterior shoulder dislocation: External rotation and abduction of shoulder [1] [2] Barton's fracture: John Rhea Barton: distal radius fracture involving the articular surface with dislocation of the radiocarpal joint: fall on ...
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.
Barotrauma is physical damage to body tissues caused by a difference in pressure between a gas space inside, or in contact with, the body and the surrounding gas or liquid. [1] [2] The initial damage is usually due to over-stretching the tissues in tension or shear, either directly by an expansion of the gas in the closed space or by pressure difference hydrostatically transmitted through the ...