constriction or blockage of the bronchi that lead from the trachea to the lungs
continuous positive airway pressure (CPAP)
a form of non invasive positive pressure ventilations (NPPV) consisting of a mask and a means of blowing O2 or air into the mask to prevent airway collapse or help alleviate dyspnea (difficulty breathing.
a passive process in which the intercostal (rib) muscles and the diaphragm relax, causing the chest cavity to decrease in size and force air from the lungs.
an active process in which the intercostal muscles and the diaphram contract, expanding the size of the chest cavity and causing air to flow into the lungs.
when a lung collapses without injury or any other obvious cause.