Can Sputum Drain Itself?
Cough cough cough…….. I have taken various expectorants, is there any non-drug method to assist in sputum clearance? Of course, in addition to the active breathing cycle technique introduced last time, sputum can also be “autogenously drained”. Autogenic drainage (AD) is a airway clearance technique that utilizes different lung volumes for breathing to facilitate the … Read more