The woman spent at least nearly 40 minutes in a body bag traveling from the Glen Oaks ... they were able to record a pulse and a shallow breath, according to the report. Woman Who Died 37 Years ...

Symptoms include shortness of breath even at rest, "tightness in the chest," marked ... After a 1-2 hours in the bag, the person's body chemistry will have "reset" to the lower altitude. This lasts ...