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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.
Visualising the interior of the bronchi through a bronchoscope passed through the mouth and trachea, procedure is called bronchoscopy. The carina of the trachea is a hook shaped process projecting backward from the lower margin of lowest tracheal ring. It helps to divide the trachea into two primary bronchi.
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 .
The Bioelectromagnetics group at University College Cork has developed a novel low-cost tracking system for use in electromagnetic navigation bronchoscopy. [17] The group is also collaborating with the Surgical Planning Laboratory at Harvard Medical School to develop the world's first open-source virtual bronchoscopy module to be implemented in ...
The objectives of chest physiotherapy are twofold. First, to obtain outcomes equal to and more effective than bronchoscopy without the invasiveness, trauma, and risk of hypoxemia, the complications of physician involvement, and the cost that bronchoscopy requires. Second, to specifically improve ventilation to areas of local lung obstruction.
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Bronchoscopy with bronchoalveolar lavage is recommended in possible cases of organizing pneumonia to rule out infection and other causes of alveolar infiltrates. [9] The bronchoalveolar lavage in organizing pneumonia shows a lymphocytic predominant inflammation of the alveoli with increases in neutrophils and eosinophils. [9]