Greatest<unk>  of harm during organogenesis (3-8 WGA)
IV contrast not teratogenic (class B)
PO contrast not absorbed = no<unk> 
<5,000 mrads = safe
~10,000 mrads = small<unk>  childhood cancer
~15,000^ mrads = 6% chance intellectual disability
<3% chance childhood cancer
^Considered max
Always use shield when possible
Radiation risk from medical imaging
Bladder/sacral nerve stimulators complications
Healthcare occupational exposure to blood or other body fluids
Safety at sea
Oncologic therapy related adverse events
Phrenic nerve/diaphragmatic stimulators complications
Post-surgical complications
Forearm diagnoses