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Stertor (from Latin stertere 'to snore') is a term first used in 1804 [2] to describe a noisy breathing sound, such as snoring. [ 3 ] [ 4 ] It is caused by partial obstruction of the upper airways , at the level of the nasopharynx or oropharynx .
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]
Stridor (from Latin 'creaking/grating noise') is an extra-thoracic high-pitched breath sound resulting from turbulent air flow in the larynx or lower in the bronchial tree.It is different from a stertor, which is a noise originating in the pharynx.
In 1891 he presented a paper with the title 'On Stertor, Apoplexy, and the Management of the Apoplectic State' in relation to stroke patients with noisy breathing from airway obstruction (also known as stertor). This paper was taken up by anaesthetist Frederick Hewitt from the London Hospital who advised a sideways position for postoperative ...
The most common hypopnea symptom is excessive sleepiness, which results from constant sleep interruption. People with hypopnea due to airflow obstruction often have loud, heavy snoring that is interrupted with choking sounds or loud snorts followed by periods of silence, because not enough air can flow into the lungs through the mouth and nose.
Continuous positive airway pressure (CPAP) is a form of positive airway pressure (PAP) ventilation in which a constant level of pressure greater than atmospheric pressure is continuously applied to the upper respiratory tract of a person.
Curschmann's spiral. Curschmann's spirals are a microscopic finding in the sputum of asthmatics. They are spiral-shaped mucus plugs from subepithelial mucous gland ducts of bronchi.
Apnea (also spelled apnoea in British English) [1] is the temporary cessation of breathing.During apnea, there is no movement of the muscles of inhalation, [citation needed] and the volume of the lungs initially remains unchanged.