Mindblown: a blog about philosophy.
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Physiological sound
A sound perceived when the auditory canals are closed. The sound is produced by the blood flowing through adjacent vessels.
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Friction sound
A sound produced by rubbing together two inflamed mucous surfaces. A noise resembling the friction of two coarse pieces of leather being rubbed together, observed in instances of dry pleurisy or pericarditis before any accumulation of fluid occurs.
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Ejection sound
Any noise made during cardiac systole by the valves of the heart or the root of the aorta.
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Diminished breath sound
A soft, decreased, or distant vesicular lung sound as heard through a stethoscope.
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Coarse breath sound
A vesicular lung sound that is lower pitched and louder than normal.
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Bronchovesicular sound
A mixture of bronchial and vesicular sounds.
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Bronchial sound
Sounds not heard in the normal lung but occurring in pulmonary disease, indicating infiltration and solidification of the lung. The rough noise generated by air moving through the bronchial tubes.
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Blowing sound
An organic murmur as of air from an aperture expelled with moderate force.
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Adventitious lung sound
Crackles and wheezes superimposed on the normal breath sounds; indicative of respiratory disease. Most adventitious lung sounds can be divided into continuous (wheezing) and discontinuous (crackles) according to acoustical characteristics.
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Absent breath sound
The lack of any sound heard over the chest of the patient during auscultation.
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