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.
According to American Family Physician, evening primrose oil may help the cervix soften and efface (thin out). Other studies suggest that it can help shorten labor duration. This is due to linolenic acid found in EPO, which may trigger a prostaglandin response in the body.