Final answer:
A pneumothorax can be diagnosed using CXR, which stands for chest radiography. Chest radiography is a common imaging test that can detect air in the pleural space or around the lungs. Other diagnostic methods may include physical examination, auscultation of the lungs, collecting sputum samples, and blood tests.
Step-by-step explanation:
A pneumothorax can be diagnosed using the abbreviation CXR, which stands for chest radiography. Chest radiography, also known as a chest X-ray, is a common imaging test used to detect pneumothorax by visualizing the presence of air in the pleural space or around the lungs. Other diagnostic methods may include physical examination, auscultation of the lungs, collecting sputum samples, and ordering blood tests to check for abnormal levels of oxygen.