4Identification! Start at the beginning Are old films available? Correct patientCorrect date and timeCorrect examinationAre old films available?DO THIS EVERYTIME – It buys you time and is vitally important.
5Approach to the CXR: Technical Aspects Projection – PA or APPosition – Upright or Supine (Supine folks are sick)Inspiratory effort9-10 posterior ribsPenetrationthoracic intervertebral disc space just visiblePositioning/rotationmedial clavicle heads equidistant to spinous process
36Differential X-Ray Absorption The absence of a normal interface may indicate disease;The presence of an unexpected interface may also indicate diseaseThe presence of interfaces can be used to localize abnormalities
37Chest Radiographic Patterns of Disease Air space opacityInterstitial opacityNodules and massesLymphadenopathyCysts and cavitiesLung volumesPleural diseases
58Cysts & CavitiesCyst: abnormal pulmonary parenchymal space, not containing lung but filled with air and/or fluid, congenital or acquired, with a wall thickness greater than 1 mmepithelial lining often present
59Cysts & CavitiesCavity: abnormal pulmonary parenchymal space, not containing lung but filled with air and/or fluid, caused by tissue necrosis, with a definitive wall greater than 1 mm in thickness and comprised of inflammatory and/or neoplastic elements
87Irregular linear opacities are present in both lungs, especially in the periphery and the bases of the lungs. The heart is slightly enlarged, but this is not related to the pulmonary abnormalities in this case.