Also, a patient can be put at a risk for
pneumonia or other respiratory problems. Sometimes a
lung will
collapse and requires breathing exercises to get the lungs working properly. With that ruled out, it may be the sob is part of the recovery process.
My brother-in-law had shortness of breathe and told it was normal after bypass, the lungs are healing and must get build back up. There is some deconditioning associated with a hospital stay and takes time, walking everyday a little helps.