High blood pressure, for which Window of the Sky Points are sometimes indicated, may also be useful for low blood pressure.
Tong Ren/Tam Healing System: Used to effect the circulation of the common carotid artery as well as effect the vagus nerve. Due to the connection with the vagus it is useful for lung, esophagus, heart, stomach, intestine and gall bladder issues - reflux, palpitations, digestive issues, etc.
Falls into the category of Window of the Sky points within the Tam Healing system.