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.
Blister Prevention Tips. 1  Break in your shoes and socks carefully. 2  Make sure your shoes fit well. 3  Try them on in the afternoon while wearing the type and thickness of the socks you intend to wear them with. 4  Gradually increase your activity level. 5  Do not wear cotton socks for sports. 6  Allow shoes to dry out between runs.alvin Coolidge's nearly 16 year old son developed a blister on his big toe reportedly after playing tennis on the south lawn in shoes while not wearing socks. Several days later the blister became infected, he developed septicemia and died within the week.