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Crackles are the clicking, rattling, or crackling noises that may be made by one or both lungs of a human with a respiratory disease during inhalation, and occasionally during exhalation. They are usually heard only with a stethoscope ("on auscultation"). Pulmonary crackles are abnormal breath sounds that were formerly referred to as rales. [2]
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 ...
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. Stridor is a physical sign which is caused by a narrowed or obstructed airway.
Researchers said on Wednesday they have settled the issue of what occurs inside knuckles to trigger the familiar popping sound. Snap, crackle, pop: study reveals secret behind knuckle-cracking ...
Further research into crackling noise was done in the late 1940s by Charles Francis Richter and Beno Gutenberg who examined earthquakes analytically. Before the invention of the well-known Richter scale, the Mercalli intensity scale was used; this is a subjective measurement of how damaging an earthquake was to property, i.e. II would be small vibrations and objects moving, while XII would be ...
It has been reported in scuba divers, [4] [5] apnea (breath hold) free-diving competitors, [6] combat swimmers, and triathletes. [ 2 ] [ 7 ] The causes are incompletely understood as of 2010. [ 2 ] [ 8 ] [ 9 ] Some authors believe that SIPE may be the leading cause of death among recreational scuba divers, but there is insufficient evidence at ...
A death rattle is noisy breathing that often occurs in someone near death. [1] Accumulation of fluids such as saliva and bronchial secretions in the throat and upper airways is the cause. [ 2 ] Those who are dying may lose their ability to swallow and may have increased production of bronchial secretions, resulting in such an accumulation. [ 3 ]
The North West Ambulance Service NHS Trust (NWAS) is the ambulance service for North West England. It is one of ten ambulance trusts providing England with Emergency medical services , and is part of the National Health Service , receiving direct government funding for its role.