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A wheeze is a clinical symptom of a continuous, coarse, whistling sound produced in the respiratory airways during breathing. [1] For wheezes to occur, part of the respiratory tree must be narrowed or obstructed (for example narrowing of the lower respiratory tract in an asthmatic attack), or airflow velocity within the respiratory tree must be heightened.
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]
Audible whistling or wheezing sound when exhaling; Bouts of coughing or wheezing that are worsened by a respiratory virus such as a cold or the flu; Chest tightness or pain; Difficulty breathing; Trouble sleeping caused by shortness of breath, coughing or wheezing [8] [4] [9]
What you need to know to get through coughing, wheezing and sneezing season. Gannett. William Barson, Megan Buller, Mark Herbert, Susan L. Koletar. December 4, 2023 at 5:28 AM.
Crackles are more common during the inspiratory than the expiratory phase of breathing, but they may be heard during the expiratory phase. Crackles are often described as fine, medium, and coarse. They can also be characterized as to their timing: fine crackles are usually late-inspiratory, whereas coarse crackles are early inspiratory.
When the airways spasm or constrict in response to the irritating stimulus of the breathing tube, it is difficult to maintain the airway and the patient can become apneic. During general anesthesia, signs of bronchospasm include wheezing, high peak inspiratory pressures, increased intrinsic PEEP , decreased expiratory tidal volumes, and an ...
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