COVID | 合法醫療器材資訊網

2020年6月10日—Nowadays,itmeanshavingaroomorunitinwhichtheinfectedairisrerouted,awayfromotherpatientsandhospitalstaff.Onewaytodothisis ...

During the Middle Ages, people tried to escape the plague by sequestering themselves-not an easy task (then or now). Dealing with infectious diseases still comes down to containing the spread. 

Modern hospitals have isolation down to a science, literally. Nowadays, it means having a room or unit in which the infected air is rerouted, away from other patients and hospital staff. One way to do this is with a negative pressure room, in which a lower air pressure allows outside air into the room; any air that flows out of the room has to pass through a filter. By contrast, a positive pressure room maintains a higher pressure inside the treated area than that outside it. Clean filtered air is pumped in; if there’s a leak, the air is forced out of the room. Positive pressure rooms are usually used for patients with compromised immune systems; negative pressure rooms are common in infection control, to ensure infectious germs don’t spread via the heating, ve...