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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]
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]
Ah, January. The season of new beginnings, icy winds, and respiratory infections. With a “quad-demic” of diseases circulating the country—flu, COVID, respiratory syncytial virus (RSV), and ...
Understanding Lung Sounds 3rd edition (2002) by Steven Lehrer is a book and audio CD that guides the student through the skills of lung auscultation. It provides a complete overview of lung examination, anatomy, physiology, and pathology.
Cases of human metapneumovirus (HMPV) are surging in China right now. The virus was discovered in 2001. It can be hard to tell HMPV from the flu, RSV, or COVID-19. Cases of a respiratory virus ...
A quadruple whammy of viruses – flu, COVID, norovirus, and respiratory syncytial virus, or RSV – is hitting the U.S. as the year comes to a close. The Centers for Disease Control and ...
Decreased breath sounds, crackles, wheezing, and rhonchi that clears with coughs may be heard in the chest. Dullness to percussion and pleural rub suggest disease extension beyond the bronchi such as seen with pneumonia. [15] [16] Paroxysms of cough followed by inspiratory whoop and vomiting suggests pertussis. [21]
Any virus that can cause an upper respiratory illness can move into the lungs, causing pneumonia. Fungal pneumonia is more common in people with weakened immune systems or those who have close ...