Tag: Pulmonary function test

According to scientific studies, the average residual volume in a healthy adult is approximately 1 to 1.2 liters. But what is a high residual volume, and why is this measurement so important for diagnosing lung conditions?

According to the Cleveland Clinic, avoiding a heavy meal before a pulmonary function test is crucial for accurate results. A full stomach can put pressure on your diaphragm, affecting your ability to breathe deeply and impacting test outcomes. This guide provides specific nutritional advice, answering what you should eat before a pulmonary function test to ensure the best possible results.