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.
Crest Hammertoe Pad. Count on all-day toe pain relief with Toe Crest Pad. Extra cushioning relief for hammer and bent toes. Even when you wear them all day - these cushions refuse to flatten. Odorless, soft Toe Crest cushions can be worn by even the most sensitive toes.