COPD progression: Stages, prognosis, and causes - Medical News Today
COPD is a progressive disease that causes less air to flow through the airways and impacts breathing. It can cause symptoms that include shortness of breath, chest discomfort, and coughing. Doctors will diagnose COPD with spirometry, which is the most common type of pulmonary (lung) function or breathing test. This test measures how much air a person can breathe in and out of their lungs, as well as how easily and quickly they can blow it out. A doctor may order spirometry if a person has wheezing, shortness of breath, or a cough. A pulmonologist (lung specialist) will review the spirometry results to determine if an individual has COPD. People with COPD typically experience worsening symptoms over time, which can become life-threatening. Read on to learn more about COPD and its progression. COPD is a progressive disease, which means it can worsen over time. Initial symptoms may be mild and progress without detection. The Centers for Disease Control and Prevention (CDC) estimate that m...