A summary for the chest imaging,
chest x-ray positions and projections,
chest CT main usage and windows,
chest MRI and the cardiac planes
Dr. Mustafa Alnatsheh
Radiology
chest radiology
Chest diagnostic imaging techniques
,You will find:
• Chest X-ray (CXR):
- Erect Posterior-Anterior (PA) Projection
- Lateral Projections (Erect and sitting)
- Lateral decubitus Projections
- Anterior-Posterior (AP) Projections (Supine and Sitting)
• Computed Tomography (CT) scan and windows
- Important types of chest CT scans
• MRI of chest and cardiac imaging planes
, Chest Diagnostic Imaging Techniques
Chest X-ray (CXR)
The standard radiographic views of CXRs include:
- The erect posterior-anterior (PA) projection.
- The erect and sitting lateral projections.
- The supine and erect anterior-posterior (PA) projections.
Erect Posterior-Anterior (PA) Projection
• The PA projection is the standard frontal radiograph acquired with the patient standing.
• The image is viewed as if looking at the patient face-to-face.
• The x-ray beam enters the patient’s body from posterior to anterior.
• The x-ray source is posterior and the film detector is anterior.
• Advantages: technically excellent visualisation of the mediastinum and lungs, with accurate
assessment of heart size.
• Disadvantages: patient must be able to stand erect.
• Positioning:
- Patient is standing facing the detector.
- The chin is raised as to be out of the image field.
- Shoulders are rotated anteriorly to allow the scapulae to move laterally off the lung
fields, by letting the patient huge the film detector.
- Shoulders are depressed to move the clavicles below the lung apices.
- No rotation (strict anterior view).
- The Central X-ray is perpendicular to the detector and centred on the midline at the
level of the inferior scapula borders.
- The distance between the X-ray tube and the detector = 1.80m.
- Full inspiration, as some structures can appear different on expiration include: heart
size, mediastinal contours, width, lung inflation, diaphragm contour.
chest x-ray positions and projections,
chest CT main usage and windows,
chest MRI and the cardiac planes
Dr. Mustafa Alnatsheh
Radiology
chest radiology
Chest diagnostic imaging techniques
,You will find:
• Chest X-ray (CXR):
- Erect Posterior-Anterior (PA) Projection
- Lateral Projections (Erect and sitting)
- Lateral decubitus Projections
- Anterior-Posterior (AP) Projections (Supine and Sitting)
• Computed Tomography (CT) scan and windows
- Important types of chest CT scans
• MRI of chest and cardiac imaging planes
, Chest Diagnostic Imaging Techniques
Chest X-ray (CXR)
The standard radiographic views of CXRs include:
- The erect posterior-anterior (PA) projection.
- The erect and sitting lateral projections.
- The supine and erect anterior-posterior (PA) projections.
Erect Posterior-Anterior (PA) Projection
• The PA projection is the standard frontal radiograph acquired with the patient standing.
• The image is viewed as if looking at the patient face-to-face.
• The x-ray beam enters the patient’s body from posterior to anterior.
• The x-ray source is posterior and the film detector is anterior.
• Advantages: technically excellent visualisation of the mediastinum and lungs, with accurate
assessment of heart size.
• Disadvantages: patient must be able to stand erect.
• Positioning:
- Patient is standing facing the detector.
- The chin is raised as to be out of the image field.
- Shoulders are rotated anteriorly to allow the scapulae to move laterally off the lung
fields, by letting the patient huge the film detector.
- Shoulders are depressed to move the clavicles below the lung apices.
- No rotation (strict anterior view).
- The Central X-ray is perpendicular to the detector and centred on the midline at the
level of the inferior scapula borders.
- The distance between the X-ray tube and the detector = 1.80m.
- Full inspiration, as some structures can appear different on expiration include: heart
size, mediastinal contours, width, lung inflation, diaphragm contour.
