Final answer:
Sputum induction is a medical procedure used to collect lung mucus, with a Luken's Trap ensuring sterile collection. John's tests revealed a Legionella pneumophila infection, while influenza was ruled out. Levofloxacin was prescribed, and the correct usage of disinfectants in the clinic was emphasized for safety.
Step-by-step explanation:
Sputum Induction and Luken's Trap
Sputum induction is a clinical procedure used to collect mucus from the lungs for diagnostic purposes. A Luken's Trap, also known as a sterile suction trap, is a device that facilitates this collection in a sterile manner. Microscopic examination of such a sample, especially after respiratory illnesses or symptoms appear, can help in identifying pathogens, such as the Legionella pneumophila bacteria. For instance, in the provided case study, a patient named John had a chest radiograph showing extensive lung consolidation and his sputum cultures identified a gram-negative rod, which was then confirmed to be Legionella pneumophila through further testing. However, tests for influenza were negative, prompting the addition of the antibiotic levofloxacin to his treatment.
Correct use of disinfectants in a clinical setting is crucial to prevent further infections, and an in-use test can monitor this. If a patient experiences respiratory obstruction, intubation might be necessary to ensure an open airway or to administer treatment directly to the lungs.