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.

Blood flow abnormalities found in the brains of veterans with Gulf War illness have persisted 20 years after the war, and in some cases have gotten worse, according to a new study. Blood flow ...

BEIJING—Horizontal loops in catheter tubing can reduce flow rate by nearly two-thirds, a study has shown. Investigators analyzed water flow through Foley catheters of different diameters with or ...