What is the recommended number of air exchanges per hour in the cath lab?

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Multiple Choice

What is the recommended number of air exchanges per hour in the cath lab?

Explanation:
Air exchanges per hour describe how often room air is replaced to dilute and remove airborne contaminants produced during procedures. In cath labs, keeping the air refreshed at a level that reliably dilutes aerosols and vapors is essential for protecting staff and patients. The standard recommendation is 15 air exchanges per hour, which provides a balance between effective contaminant removal and practical energy use. Too few exchanges, like 5 or 10, would let contaminants linger and raise exposure risk. A higher rate, such as 20, increases dilution further but isn’t typically required for routine cath lab procedures and comes with higher energy costs. Thus, 15 exchanges per hour is the established target.

Air exchanges per hour describe how often room air is replaced to dilute and remove airborne contaminants produced during procedures. In cath labs, keeping the air refreshed at a level that reliably dilutes aerosols and vapors is essential for protecting staff and patients. The standard recommendation is 15 air exchanges per hour, which provides a balance between effective contaminant removal and practical energy use. Too few exchanges, like 5 or 10, would let contaminants linger and raise exposure risk. A higher rate, such as 20, increases dilution further but isn’t typically required for routine cath lab procedures and comes with higher energy costs. Thus, 15 exchanges per hour is the established target.

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