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.
Toe stretchers such as the popular Yoga Toe are a simple, natural way to relieve foot pain. They spread, stretch and exercise your toes helping to prevent and treat a number of foot problems including Hammer Toe, Plantar Fasciitis and Bunions.