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.
For really hard skin use paraffin based jelly such as vaseline cover your feet in it and soak them as above, when your feet are soft enough use a scrub to massage your feet and to remove dead skin. Soak again for 10 to 15 mins and rinse off. You can now use a foot file to take off more dead hard skin around the heels.assage your feet with a moisturizing lotion. Use an exfoliating lotion if the skin is dry and/or roughened. Use a loofah or pumice stone on roughened areas. 7. Separate your toes. Put cotton between your toes, or use a ready-made device for pedicures.