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.

Abnormal blood flow in the aorta is linked to inflammation and breakdown of the vessel wall in conditions where the aorta is dilated. This is shown in a study led by researchers at Linköping ...

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 ...