1. Chest Xrays Christopher A. Klipstein

2. Chest Xrays Christopher A. Klipstein Approach vs Classic Examples

3. See anything abnormal?

4. How do CXRs work ? Send xrays at film – pass though, absorbed to various degrees, scatter Five basic radiologic densities: – Air, fat, soft tissue (fluids/muscle), calcium (bone), metal Film is a map of xray attenuation

5. Five basic radiologic densities

6. Film: map of xray attenuation

7. How do CXRs work ? Send xrays at film – pass though, absorbed to various degrees, scatter Five basic radiologic densities: – Air, fat, soft tissue (fluids/muscle), calcium (bone), metal Film is a map of xray attenuation

8. How do CXRs work ? Send xrays at film – pass though, absorbed to various degrees, scatter Five basic radiologic densities: – Air, fat, soft tissue (fluids/muscle), calcium (bone), metal Film is a map of xray attenuation See boarders between different densities Do not see boarders when density is the same

9. See boarders between different densities

10. Do not see boarders when density is the same

11. Do not see boarders when density is the same AND in direct contact

12. Silhouette sign

13. Do not see boarders when density is the same AND in direct contact

14. Important to know boarders

15. And anatomy

17. Can localize findings

19. Where is the infiltrate?

20. How do CXRs work ? Send xrays at film – pass though, absorbed to various degrees, scatter Five basic radiologic densities: – Air, fat, soft tissue (fluids/muscle), calcium (bone), metal Film is a map of xray attenuation See boarders between different densities Do not see boarders when density is the same AND in direct contact

21. Classic Examples Infiltrates (alveolar and interstitial) Pleural effusion Pneumothorax COPD CHF Mass/nodule

22. Alveolar infiltrate

27. Interstitial infiltrates

30. Pleural Effusion

34. Pneumothorax

36. COPD

38. CHF

43. Cephalization

44. Peri-Bronchial Cuffing

45. Interstitial Edema

46. Alveolar Edema

48. Mass (>3cm)

49. Nodule

50. Is Your Brain Full ?

51. How do CXRs work ? Send xrays at film – pass though, absorbed to various degrees, scatter Five basic radiologic densities: – Air, fat, soft tissue (fluids/muscle), calcium (bone), metal Film is a map of xray attenuation See boarders between different densities Do not see boarders when density is the same AND in direct contact (Silhouette sign)

52. Classic Examples Infiltrates (alveolar and interstitial) Pleural effusion Pneumothorax COPD CHF Mass/nodule

53. Quiz

60. Great Job Last xray