After a short period of feeling well, Elvis, again having breathing problems, forced Dr. Nichopoulos to admit Elvis as his patient to Memphis Baptist Memorial Hospital. Elvis got through a great amount of tests to determine the cause of his condition. Heart failure was ruled out immediately. At first the medical team had no idea at all, what could be the problem, until Dr. Nichopoulos came up with the thought that it could have something to do with Elvis' "acupuncture" treatments in California. Maybe the Demerol included in these injections caused the breathing problem, because of the addictive effect of Demerol.
Elvis had to remain in the hospital for 2 weeks and Linda stayed on his side the whole time.