hi i'm having surgery on dec 2 3 days away yikes--well my question was the hospital gave me this respirator looking device to practice breathing by i am having a hard time with it do you inhale and exhale into it untill you reach the desired number? does anyone know what i'm talking about? please help!!!!! sorry if i posted in the wrong thread
hi i'm having surgery on dec 2 3 days away yikes--well my question was the hospital gave me this respirator looking device to practice breathing by i am having a hard time with it do you inhale and exhale into it untill you reach the desired number? does anyone know what i'm talking about? please help!!!!! sorry if i posted in the wrong thread