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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. Excessive scratching and friction, especially on thin and poorly circulated parts of the body may also cause petechiae.
Traumatic asphyxia, or Perte's syndrome, [1] is a medical emergency caused by an intense compression of the thoracic cavity, causing venous back-flow from the right side of the heart into the veins of the neck and the brain.
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 ...
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 ...
Stress ulceration is a single or multiple fundic mucosal ulcers that causes upper gastrointestinal bleeding, and develops during the severe physiologic stress of serious illness. It can also cause mucosal erosions and superficial hemorrhages in patients who are critically ill, or in those who are under extreme physiologic stress, causing blood ...
An injury is any physiological damage to living tissue [1] caused by immediate physical stress. Injuries to humans can occur intentionally or unintentionally and may be caused by blunt trauma, penetrating trauma, burning, toxic exposure, asphyxiation, or overexertion.
Functionally, the subcutaneous fat insulates the body, absorbs trauma, and serves as a reserve energy source. [ 14 ] Conditions of the human integumentary system constitute a broad spectrum of diseases, also known as dermatoses , as well as many nonpathologic states (like, in certain circumstances, melanonychia and racquet nails ).
Psychogenic pain is physical pain that is caused, increased, or prolonged by mental, emotional, or behavioral factors, without evidence of physical injury or illness. [ 2 ] [ 3 ] [ 4 ] Headache, back pain, or stomach pain are some of the most common types of psychogenic pain. [ 5 ]