1, there are pacemakers and other medical devices buried in the body.
2, the use of artificial heart and lungs and other life-sustaining medical electronic machines.
3, suffering from heart, lungs, kidneys and other important organs function decline.
4, suffering from bleeding tendency disease and malignant tumors
5., pregnant women and infants
6, may be life-threatening disease seizure
The above can not be used. Hopefully only for reference.