This mudra can save a person a 'Heart attack'. Hence thiis this mudra is called the [[sanjeevani mudra]], one that gives life to a dying person.. This mudra gives instant results and the pain is reduced immediately.
This is a combination of two [[mudras]]. Vayu and apana. Form [[vayu mudra ]] by placing the tip of index finger at the base of the thumb and then form [[apana mudra ]] bu joining the tips of thumbs with the middle and ring fingers. This can also be formed the other way shown in the picture.