Do you constrain an implantable loop recorder cardiac device in patients getting radiation?

Do you constraint an implantable cardiac loop recorder?

• Yes, I constrain to < 5 Gy
• Yes, I constrain to < 2 Gy
• Yes, I attempt to keep ALARA, but do not use a particular constraint
• I do not account for loop recorders
• I do not know what a loop recorder is
• Other