O2 dependence?: Unless the person you saw on a treadmill with an oxygen mask was being studied on a research project, it is likely that the patient has chronic lung disease and requires o2 supplementation to exercise.
Answered 12/8/2013
4.7k views
Stress with mask...: It sounds like you may be describing cardiopulmonary exercise testing (cpet) or pulmonary function testing (pft).
Answered 12/17/2013
4.7k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
9 doctors weighed in across 4 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question