Ventilation-perfusion (V/Q) scan is a specialized test that uses a radioactive substance to show the parts of the lungs that are getting oxygen (ventilation scan) and getting blood flow (perfusion scan) to see if there are portions of the lungs with differences between ventilation and perfusion.
Moleskin may be the first commercial blister treatment and prevention product I remember using. My dad always kept some moleskin in his pack and at the first complaint of any hot or sore feet, out it would come.
1 Helps relieve pressure, pain and corns at tips of toes. 2  Comforts and supports toes which are bent due to hammertoes. 3  Washable and re-usable pads, each pad can be used over and over again. 4  Available in Left or Right.  For use in all styles of footwear.