>As an RN, I shook my head many times knowing that oxygen was not needed in many cases.<
The O2 certainly wouldn’t cause any harm. It could only benefit the person by raising the O2 level in the brain.
“The O2 certainly wouldn’t cause any harm. It could only benefit the person by raising the O2 level in the brain.”
You’re talking like a layman. Believe me...it just wasn’t needed at times.