Valsalva Experience Negative

Negative Valsalva experience (a. valsalsva) is a method of testing respiratory function that is used in medicine to evaluate lung function. If the method shows a positive result, then the lungs are working correctly, but if it is negative, there are breathing problems.

How is testing done? The patient takes a deep breath, closes his nose and mouth and holds his breath for a few seconds. Then he exhales slowly and continues to breathe normally. The doctor listens to the patient's lungs through a stethoscope and evaluates breathing sounds. A positive result indicates that the lungs are working normally and producing a sound similar to