Negative Pressure Airborne Infection Isolation Room

Hospitals usually design the following areas as negative pressure environments.

Negative pressure airborne infection isolation room. Negative pressure rooms should be located at the entry to an inpatient unit so that the patient requiring isolation does not need to pass other patient areas to access the isolation room. Negative pressure rooms can also be known as airborne infection isolation rooms or infectious isolation facilities. Airborne infection isolation aii room tb aii rooms are designed to prevent the spread of droplet nuclei expelled by a patient with tb disease. In a negative pressure room or airborne infection isolation room the hvac system is designed to exhaust room air and prevent inner room contaminates from escaping.

The center for disease control and prevention cdc requires hospitals and certain compounding pharmacies to have functional and highly efficient negative pressure rooms. Although covid 19 is currently not considered to be an airborne disease according to the cdc a patient known to have contracted the coronavirus can spread it person to person. Temporary negative pressure isolation tnpi tnpi is considered when airborne infection isolation is needed and there are no available or insufficient aiirs such as can happen when there is an outbreak of an airborne infectious disease with large numbers of communicable patients. Hospitals use them in patient rooms to ensure infectious germs don t spread throughout the facility via the hvac system.

Aii rooms have the following characteristics. How to achieve temporary negative pressure in a room will significantly depend on the design of the patient room and the ventilation system serving the patient room. Temporary negative pressure rooms help mitigate the transmission of the aerosolized virus to adjacent spaces containing contaminates and particles. Negative pressure rooms airborne infection isolation rooms are a common solution in infection control efforts.

By mike soper airborne infection isolation aii rooms commonly called negative pressure rooms are single occupancy patient care spaces designed to isolate airborne pathogens to a safe containment area.