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Bronchoalveolar lavage (BAL), also known as bronchoalveolar washing, is a diagnostic method of the lower respiratory system in which a bronchoscope is passed through the mouth or nose into an appropriate airway in the lungs, with a measured amount of fluid introduced and then collected for examination.
Bronchoscopy is an endoscopic technique of visualizing the inside of the airways for diagnostic and therapeutic purposes. An instrument ( bronchoscope ) is inserted into the airways, usually through the nose or mouth, or occasionally through a tracheostomy .
Rigid bronchoscopy is the gold standard for removal of a foreign body, however this intervention does have potential risks. [15] The most common complication from rigid bronchoscopy is damage to the patient's teeth. [15]
Bronchoscopy is the most effective method to diagnose, locate, and determine the severity of TBI, [6] [10] and it is usually the only method that allows a definitive diagnosis. [23] Diagnosis with a flexible bronchoscope, which allows the injury to be visualized directly, is the fastest and most reliable technique. [8]
A 1997 case report discussed several instances of teenagers inhaling the spores. In one severe case, the individual inhaled enough spores so as to be able to blow them out of his mouth. He underwent bronchoscopy and then had to be on life support before recovering in about four weeks.
Evaluation by means of bronchoscopy can be difficult and time consuming and is best performed under general anesthesia. Casts can be removed mechanically by bronchoscopy or physical therapy. High-frequency chest wall oscillation can also be used to vibrate the chest wall at a high frequency to try to loosen and thin the casts.
How dangerous is it? No evidence has shown that BA.5 will cause more severe illness than previous omicron subvariants. Montefiori said it’s helpful to think of the immune system as having two ...
Any approach to lung biopsy risks causing a pneumothorax.Careful technique can limit this risk, which ranges from less than 1% to about 10%. The precise risk of pneumothorax depends on technique and on underlying lung disease, as certain lung diseases such as COPD can increase the risk of pneumothorax.