| Study | 
        View | 
        Minimum (mGy) | 
        Maximum (mGy) | 
      
      
        | Dental | 
          | 
        0.001 | 
          | 
      
      
        | Cerebral angiography | 
          | 
          | 
        <0.1 | 
      
      
        | Chest | 
        AP | 
        <0.01 | 
        <0.01 | 
      
      
        | Chest | 
        PA | 
        <0.01 | 
        <0.01 | 
      
      
        | Upper or lower extremity | 
          | 
        0.01 | 
          | 
      
      
        | Thoracic Spine | 
        PA | 
        <0.01 | 
        0.01 | 
      
      
        | Thoracic Spine | 
        AP | 
        <0.01 | 
        0.03 | 
      
      
        | Skull | 
          | 
        0.04 | 
          | 
      
      
        | Chest Helical    | 
          | 
          | 
        0.13 | 
      
      
        | Pulmonary perfusion 3mCi (99mTc) MAA | 
          | 
        0.18 | 
          | 
      
      
        | Mammogram | 
        Cc and Lat. (4films) | 
          | 
        0.20 | 
      
      
        | Intravenous Pyelogram (IVP) | 
        Lat. | 
          | 
        0.37 | 
      
      
        | Pulmonary Ventilation (Xenon) 10mCi (133Xe)6 | 
          | 
        0.40 | 
          | 
      
      
        | CT Head (10slices with slices thickness=10mm) | 
          | 
          | 
        <0.50 | 
      
      
        | Pulmonary angiography Brachial route  | 
          | 
          | 
        <0.50 | 
      
      
        | Hip | 
        Lat. | 
          | 
        0.51 | 
      
      
        | Hepatobiliary 5mCi 99mTc Sulfur Colloid | 
          | 
          | 
        0.55 | 
      
      
        | Upper GI Series | 
          | 
          | 
        0.56 | 
      
      
        | CT Chest (10slices with slices    thickness=10mm) | 
          | 
          | 
        <1.00 | 
      
      
        | Intravenous Pyelogram (IVP) | 
        PA | 
          | 
        1.04 | 
      
      
        | Hip | 
        AP | 
          | 
        1.40 | 
      
      
        | Hepatobiliary 5mCi 99mTc HIDA | 
          | 
          | 
        1.50 | 
      
      
        | Pulmonary perfusion (Technetium) 5mCi (99mTc) MAA | 
          | 
        1.75 | 
          | 
      
      
        | Intravenous Pyelogram (IVP) | 
        AP | 
          | 
        2.64 | 
      
      
        | Abdomen | 
        PA | 
        1.30 | 
        3.00 | 
      
      
        | Lumber Spine | 
        Lat. | 
        0.91 | 
        3.50 | 
      
      
        | Pulmonary angiography femoral route | 
          | 
          | 
        3.74 | 
      
      
        | Abdomen | 
        AP | 
        2.90 | 
        15.00 | 
      
      
        | Small bowel series with upper GI  | 
          | 
          | 
        21.30 | 
      
      
        | Pelvis | 
        AP | 
        3.40 | 
        22.00 | 
      
      
        | CT Abdomen(10slices with slices    thickness=10mm) | 
          | 
          | 
        26.00 | 
      
      
        | Lumber Spine | 
        AP | 
        7.50 | 
        40.00 | 
      
      
        | Barium enema | 
        10.00 | 
        130.00 | 
      
      
        | Iodine (131I),    at fetal thyroid tissue at 20weeks gestation (By the use of radioactive    isotopes of Iodine is contraindicated in pregnancy) | 
          | 
        5900.00 |