The intensity of the x-ray beam at the table top of a fluoroscope should not exceed what value for each mA of tube current operating at 80 kVp?

In fluoroscopy, regulatory guidelines dictate the limits on x-ray beam intensity to ensure patient and operator safety. The maximum permissible intensity of the x-ray beam at the tabletop level is crucial for minimizing radiation exposure. At an operating kilovolt peak (kVp) of 80 and for each milliampere (mA) of tube current, the intensity should not exceed a specific threshold to maintain safety standards.

The value of 2.2 R/min per mA at 80 kVp is aligned with established safety regulations and protocols set by organizations such as the American National Standards Institute (ANSI) and the National Council on Radiation Protection and Measurements (NCRP). This limit is designed to help protect both patients and healthcare workers from unnecessary radiation exposure during fluoroscopic procedures.

Choosing a lower limit is also critical because exceeding this value could lead to excessive radiation doses, potentially causing harmful biological effects. It's important for operators to stay within these established limits to ensure both compliance and safety during fluoroscopic imaging.