Understand Chronic Obstructive Pulmonary Disease（COPD） Correctly.
Chronic Obstructive Pulmonary Disease (COPD), also known as chronic obstructive airway disease, is a common chronic respiratory disease characterized by persistent airflow limitation and corresponding respiratory symptoms.
Respiratory Topic | Structure and Working Principle of Medical Ventilator
Is a home oxygen therapy machine sufficient for blood oxygen saturation?
Life cannot go without oxygen. If oxygen supply is insufficient or there is a obstacle in the body's utilization of oxygen, asphyxia will occur, which not only affects our body functions but also leads to diseases.