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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]
Chest X-rays may show air in the mediastinum, the middle of the chest cavity. [5] A significant case of subcutaneous emphysema can be detected by touching the overlying skin, which will feel like tissue paper or Rice Krispies. [8] Touching the bubbles causes them to move and sometimes make a crackling noise. [9]
If you're having trouble sleeping or struggling with chest pain, the cause might not be what you expect. A new survey by National Jewish Health found about half of adults don't know chest pain and ...
Hamman's sign (rarely, Hammond's sign [1] or Hammond's crunch [2]) is a medical sign consisting of a crunching, rasping sound, synchronous with the heartbeat, [3] heard over the precordium in spontaneous mediastinal emphysema. It is thought to result from the heart beating against air-filled tissues.
The primary indication for a resuscitative thoracotomy is a patient with penetrating chest trauma who has entered or is about to enter cardiac arrest. [4] Other indications for the use of this procedure include the appearance of blood from a chest tube that returns more than 1500 mL of blood during the first hour of placement, or ≥200 mL of ...
Finding the right sleep sound is a bit like finding the right type of pajamas, says Dr. Winter. And while research on the sleep benefits of different noise types is limited, it’s definitely growing.
While a death rattle is a strong indication that someone is near death, [2] it can also be produced by other problems that cause interference with the swallowing reflex, such as brain injuries. [ 3 ] It is sometimes misinterpreted as the sound of the person choking to death or gargling .