Sputum is a thick mucus produced in the lungs. A sputum culture test checks for infections that can cause pneumonia, tuberculosis, and other lung conditions.
Anatomic pathology is the branch of medicine that studies the effect of disease on the structure of body organs to identify abnormalities that can help to diagnose disease and manage treatment. Learn about biopsies, histopathology, cytology, fine needle aspirations and more.
Pneumonia is a potentially severe lung infection. Learn about the types of pneumonia and the types of tests that are used to diagnose and monitor the condition.
Sleep apnea is a disorder of disturbed breathing during sleep. Read our guide for details about the types of sleep apnea tests, including at-home tests.
