Protection Measures for Patients

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As Low As Diagnostically Acceptable (ALADA)

  • Aimed at limiting radiation exposure to patients
  • Patient-centric approach vs. ALARA (see Protective Measures for Staff)
  • Overall guiding principle: Diagnostic objective (Reason for Study) determines imaging modality and appropriate resolution settings (FOV size, mAs, kVp) specific to each patient

ALADA Principles