Spirometry with FVL measurement is a vital component of the patient evaluation for respiratory symptoms, and when a properly performed FVL test is abnormal it should prompt a thorough investigation.

Pre- and post-exercise flow-volume loops are often recommended as an easy non-invasive method for diagnosing or excluding exercise-induced laryngeal obstructions in patients with exercise-related ...

A 36-year-old woman with a six-month history of worsening shortness of breath was admitted to hospital for investigation. She had received a diagnosis of bronchial asthma six months earlier, for which ...

There are 2 main ways in which patients may experience dyspnea originating in the larynx. First, there may be structural interference with air flow due to an anatomic abnormality. In other words, ...