Thank you for your response. Dr doesn’t think dad has the strength to breathe into those so not recommending anything but I think dad can do it with some exercise
Exercise of any kind helps, I think, even if it's on a level that the therapists can't measure. It also gives hope and some positive interaction, which are also good for everyone.
Here in the states, patients are routinely discharged with a spirometer, which is what I think your doctor is referring to. It helped my husband build his lung function and clear his lungs.
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