PTB stands for Pulmonary Tuberculosis.
Understanding Pulmonary Tuberculosis
Pulmonary tuberculosis (PTB) is a serious bacterial infection primarily affecting the lungs. It's caused by the bacterium Mycobacterium tuberculosis (M. tuberculosis). The infection is contagious and spreads through the air when an infected person coughs or sneezes, releasing microscopic droplets containing the bacteria. Inhaled droplets can then infect susceptible individuals.
Several sources confirm this definition:
- MedlinePlus: States that pulmonary TB is caused by Mycobacterium tuberculosis and is contagious. https://medlineplus.gov/ency/article/000077.htm
- BMC Infectious Diseases: Describes PTB as an infectious disease involving the lungs, potentially lethal if left untreated. https://bmcinfectdis.biomedcentral.com/articles/10.1186/1471-2334-14-401
- NCBI Bookshelf: Defines PTB as any bacteriologically confirmed or clinically diagnosed TB case involving the lung parenchyma or tracheobronchial tree. https://www.ncbi.nlm.nih.gov/books/NBK214446/
- WHO: Clearly states that tuberculosis (TB) is caused by bacteria and mostly affects the lungs, spreading through the air via coughs and sneezes. https://www.who.int/news-room/fact-sheets/detail/tuberculosis
While TB can affect other organs, the term "pulmonary" specifically refers to the lungs. Early diagnosis and treatment are crucial for preventing serious complications and transmission to others.