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Sensation of tiny insects crawling over the skin (formication) Mottled or marbled skin or subcutaneous crepitation, usually around the shoulders, upper chest and abdomen, with itching; Swelling of the skin, accompanied by tiny scar-like skin depressions (pitting edema) Neurologic Brain
Subcutaneous emphysema has a characteristic crackling-feel to the touch, a sensation that has been described as similar to touching warm Rice Krispies. [2] This sensation of air under the skin is known as subcutaneous crepitation, a form of crepitus. Numerous etiologies of subcutaneous emphysema have been described.
Dysesthesia is distinct in that it can, but not necessarily, refer to spontaneous sensations in the absence of stimuli. In the case of an evoked dysesthetic sensation, such as by the touch of clothing, the sensation is characterized not simply by an exaggeration of the feeling, but rather by a completely inappropriate sensation such as burning.
True visceral pain is characterized as a vague, diffuse, and poorly defined sensation. [9] [10] Regardless of specific organ of origin, the pain is usually perceived in the midline spanning anywhere from the lower abdomen up to the chest. In the early phases the pain is perceived in the same general area and it has a temporal evolution, making ...
Pleurisy Pleural linings and space (marked in blue) The pleural space can be invaded by fluid, air, and particles from other parts of the body, which fairly complicates diagnosis. [ 12 ] [ 13 ] Viral infection ( coxsackie B virus , HRSV , CMV , adenovirus , EBV , parainfluenza , influenza , COVID-19 ) is the most common cause of pleurisy.
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The tip of the endotracheal tube is positioned above the carina (before the trachea divides to each lung) and sealed within the trachea so that the lungs can be ventilated equally. [25] A tracheostomy tube is another type of tracheal tube; this 50–75-millimetre-long (2.0–3.0 in) curved metal or plastic tube is inserted into a tracheostomy ...
Respiratory sounds, also known as lung sounds or breath sounds, are the specific sounds generated by the movement of air through the respiratory system. [1] These may be easily audible or identified through auscultation of the respiratory system through the lung fields with a stethoscope as well as from the spectral characteristics of lung sounds. [2]