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.
The toebox is generally roomy to allow toes to splay inside the shoes, enhancing grip and balance. Barefoot / Minimalist Shoe Tips. Fit: Unlike with traditional shoes, you do not want any extra space in the toes of barefoot shoes. Socks: Minimalist shoes can be worn with or without socks. The benefits of wearing socks include extra warmth, odor deterrence and blister protection.