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basics of chest X- ray interpretation


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describe the basic interpretation of chest x- ray for beginners

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basics of chest X- ray interpretation

  1. 1. Chest x- ray interpretation Dr. Maha Yousif Lecturer of Chest Diseases, Egypt
  2. 3. Differential Absorption <ul><li>Penetration of the x-ray beam is dependent on tissue density </li></ul><ul><li>Denser object = Less beam striking the film (more absorption) = whiter </li></ul><ul><li>Less dense = More beam striking the film = blacker </li></ul>
  3. 4. Glass Test Tube Air Fat Water Bone + Water Metal
  4. 5. Orientation <ul><li>Film label </li></ul><ul><li>Aortic knuckle </li></ul><ul><li>Waist of the heart </li></ul><ul><li>Gas bubbles of the </li></ul><ul><li>stomach </li></ul>
  5. 7. Chest X ray views <ul><li>Chest Radiograph </li></ul><ul><li>PA </li></ul><ul><li>AP </li></ul><ul><li>Lateral </li></ul>
  6. 11. Postro-anterior Antero-posterior
  7. 12. Penetration
  8. 13. Child or adult ? Child Adult
  9. 14. Male or female ? ♂ ♀
  10. 17. Centralized or rotated ?
  11. 18. Rotation (continued)
  12. 25. A B C Heart size - Cardiothoracic Ratio A+B / C
  13. 26. Normal Heart (shape)
  14. 28. Radiological lung zones Upper Middle Lower
  15. 29. Chest X ray abnormalities <ul><li>Too white </li></ul><ul><li>Too black </li></ul><ul><li>Too large </li></ul><ul><li>In the wrong place </li></ul>
  16. 30. Never stop looking, carry on with your systematic approach!! Identify the lesion -> localise the lesion -> describe the lesion -> give DD
  17. 68. <ul><li>Thank you </li></ul>www.