Lung edema is a serious condition that can develop rapidly and, if not treated in time, can lead to death. The most characteristic symptom is increasing shortness of breath, which often occurs at night, disrupting the patients’ sleep. In addition, during lung edema, a fine crackling sound can be heard in the airways, resembling the sound of blowing bubbles through a straw into a glass of water. Air enters the lungs through the trachea, where the trachea branches into two main bronchi, which then subdivide into smaller bronchi. At the very end of the smallest bronchi are the alveoli, which are responsible for oxygen exchange. The capillaries surrounding the lungs,…