What is a spirometer primarily used for?

A spirometer is primarily used to measure the volume of air that a person inhales and exhales during breathing. This measurement is crucial for assessing lung function and can help diagnose respiratory conditions such as asthma, chronic obstructive pulmonary disease (COPD), and other disorders affecting the lungs. By evaluating the total volume of air as well as the speed of exhalation, healthcare providers can gain insights into the efficiency of the respiratory system and the presence of any obstructive or restrictive pulmonary diseases.

This tool is central to pulmonary function tests, which provide valuable data on how well a patient's lungs are working. Understanding lung capacity and airflow is essential for determining the appropriate course of treatment and monitoring respiratory health over time.