Nuclear Medicine Spec Schema

device_class: diagnostic
camera_heads: 2
crystal_type: NaI(Tl)            # NaI(Tl) | CZT
crystal_thickness_in: 0.375
field_of_view_cm: [40, 54]
intrinsic_resolution_mm: 3.9
energy_resolution_fwhm_percent: 9.5
spect_capable: true
ct_integrated: false             # SPECT/CT = true
ct_slice_count: null
collimator_options: [LEHR, LEAP, MEGP, HEGP]
nrc_license_required: true