Chest X-ray Path correlation

1. Chest X-ray Path correlation • Normal structures • Densities • Genesis of abnormal densities • Localization • Pathological correlation • Steps in evaluation of CXR

5. Left RV RA LV LA

12. Densities

14. Hemorrhage Hem

15. Localization • Lobar distribution • Air bronchogram • Silouhette sign • Extra pleural sign

19. Lobar density

21. Silouhette sign

22. Silouhette sign

25. LUL RUL RML Lingula RLL LLL Silouhette sign

26. Extrapleural sign

29. Peripheral Sharp inner Indistinct outer Concave angles Extrapleural sign

30. Air bronchogram

31. Pathological correlation • Consolidation • Cavitation • Mass • Atelectasis • Pleural effusion • Pneumothorax • Pulmonary edema

32. Consolidation

33. Pneumonia

34. Air bronchogram Lobar No loss of volume Consolidation

36. Hole Wall Lumen Content Cavity

37. Mass

38. Homogenous Sharp margin No respect Mass

39. Atelectasis

40. Loss of lung volume Atelectasis

42. Homogenous Costophrenic angle Meniscus Pleural effusion

43. Pneumothorax

44. Air in pleura Atelectatic lung Hemithorax Mediastinual shift Pneumothorax

45. Pulmonary edema

46. Pulmonary edema

47. Bilateral Diffuse Alveolar Pulmonary edema

48. Emphysema

49. Bleb Emphysema

50. Bullous emphysema