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  1. X-ray (chest), PA, Adult Male, Normal

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    Description: CXR PA - Adult male, normal
    Keywords: Diagnostic X-Ray Radiology, Diagnostic X-Ray, Diagnosis, Thoraces, Chest, Roentgenography, X-Ray Radiology, Diagnostic, Radiography, X-Ray, Diagnostic, Radiology, Diagnostic X-Ray

  2. X-ray (chest), AP, Adult Male, Normal

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    Description: CXR AP and Lateral - Adult male, normal
    Keywords: Diagnostic X-Ray Radiology, X-Ray Radiology, Diagnostic, Radiography, Diagnosis, Diagnostic X-Ray, X-Ray, Diagnostic, Chest, Thoraces, Radiology, Diagnostic X-Ray, Roentgenography

  3. X-ray (chest), Lateral, Adult Male, Normal

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    Description: CXR AP and Lateral - Adult male, normal
    Keywords: Diagnostic X-Ray Radiology, Thoraces, Diagnosis, X-Ray Radiology, Diagnostic, Radiography, Radiology, Diagnostic X-Ray, X-Ray, Diagnostic, Diagnostic X-Ray, Roentgenography, Chest

  4. X-ray (chest), PA, Pericardial Effusion, Adult Male, Answers

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    Description: 1. Cardiomegaly with water bottle sign. The widest diameter of the heart (A) is compared with the width of half the thorax at its widest point (B). This is known as the cardiothoracic ratio. The normal heart should be less than the diameter of the hemithorax (see the normal comparison study). This should be measured on an upright PA radiograph with adequate inspiration (Right cardiophrenic junction overlies 10th and 11th ribs posteriorly). AP portable studies, poor inspiration, patient rotation, and the patient not in an upright position can cause falsely elevated estimation of heart size. This example study does not have technically adequate inspiration as it shows only to the 9th rib. 2. Note also the pericardium has sagged like a water balloon that has been set on a table. Note the distortion of the normal contours of the heart visible on the comparison study. This is described as a “water bottle” shaped heart. This finding is associated with very large, slowly accumulating pericardial effusions. It is not sensitive for small, rapidly developing hemodynamically significant pericardial effusion. An acute, rapidly developing pericardial effusion that is causing cardiac tamponade frequently presents with a normal size heart on the chest radiograph.
    Keywords: Diagnostic X-Ray, Radiology, Diagnostic X-Ray, Diagnostic X-Ray Radiology, X-Ray, Diagnostic, Diagnosis, Hemopericardium, Chylopericardium, X-Ray Radiology, Diagnostic, Roentgenography, Radiography

  5. X-ray (chest), PA, Pericardial Effusion, Adult Male

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    Description: 1. Cardiomegaly with water bottle sign. The widest diameter of the heart (A) is compared with the width of half the thorax at its widest point (B). This is known as the cardiothoracic ratio. The normal heart should be less than the diameter of the hemithorax (see the normal comparison study). This should be measured on an upright PA radiograph with adequate inspiration (Right cardiophrenic junction overlies 10th and 11th ribs posteriorly). AP portable studies, poor inspiration, patient rotation, and the patient not in an upright position can cause falsely elevated estimation of heart size. This example study does not have technically adequate inspiration as it shows only to the 9th rib. 2. Note also the pericardium has sagged like a water balloon that has been set on a table. Note the distortion of the normal contours of the heart visible on the comparison study. This is described as a “water bottle” shaped heart. This finding is associated with very large, slowly accumulating pericardial effusions. It is not sensitive for small, rapidly developing hemodynamically significant pericardial effusion. An acute, rapidly developing pericardial effusion that is causing cardiac tamponade frequently presents with a normal size heart on the chest radiograph.
    Keywords: Roentgenography, Diagnostic X-Ray, X-Ray Radiology, Diagnostic, Chylopericardium, Diagnosis, X-Ray, Diagnostic, Radiology, Diagnostic X-Ray, Radiography, Diagnostic X-Ray Radiology, Hemopericardium

  6. X-ray (chest), PA, Pericardial Effusion, Adult Male, Numbered

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    Description: 1. Cardiomegaly with water bottle sign. The widest diameter of the heart (A) is compared with the width of half the thorax at its widest point (B). This is known as the cardiothoracic ratio. The normal heart should be less than the diameter of the hemithorax (see the normal comparison study). This should be measured on an upright PA radiograph with adequate inspiration (Right cardiophrenic junction overlies 10th and 11th ribs posteriorly). AP portable studies, poor inspiration, patient rotation, and the patient not in an upright position can cause falsely elevated estimation of heart size. This example study does not have technically adequate inspiration as it shows only to the 9th rib. 2. Note also the pericardium has sagged like a water balloon that has been set on a table. Note the distortion of the normal contours of the heart visible on the comparison study. This is described as a “water bottle” shaped heart. This finding is associated with very large, slowly accumulating pericardial effusions. It is not sensitive for small, rapidly developing hemodynamically significant pericardial effusion. An acute, rapidly developing pericardial effusion that is causing cardiac tamponade frequently presents with a normal size heart on the chest radiograph.
    Keywords: Radiography, Roentgenography, Diagnostic X-Ray, X-Ray, Diagnostic, Radiology, Diagnostic X-Ray, Chylopericardium, Hemopericardium, Diagnosis, Diagnostic X-Ray Radiology, X-Ray Radiology, Diagnostic

  7. X-ray (chest), PA, With Annotations, Adult Male, Normal

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    Description: (A) right clavicle (B) right scapula (C) right fourth anterior rib (D) right costophrenic angle (E) left lung apex (F) aortic arch (G) hilum (H) heart (I) left lung base (J) right hemidiaphragm (white arrow)
    Keywords: Radiography, Thoraces, Chest, Diagnostic X-Ray, Roentgenography, X-Ray, Diagnostic, Diagnosis, Radiology, Diagnostic X-Ray, Diagnostic X-Ray Radiology, X-Ray Radiology, Diagnostic

  8. X-ray (chest), PA, With Annotations, Adult Male, Normal

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    Description: (A) right clavicle (B) right scapula (C) right fourth anterior rib (D) right costophrenic angle (E) left lung apex (F) aortic arch (G) hilum (H) heart (I) left lung base (J) right hemidiaphragm (white arrow)
    Keywords: X-Ray Radiology, Diagnostic, Diagnosis, Radiology, Diagnostic X-Ray, Thoraces, Radiography, Diagnostic X-Ray Radiology, Roentgenography, Diagnostic X-Ray, Chest, X-Ray, Diagnostic

  9. X-ray (chest), PA, Miliary Tuberculosis (TB), Adult Male, Numbered

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    Description: 1. Miliary pattern of lung disease with innumerable discrete opacities usually the size of a millet seed (1-3 mm) more or less evenly distributed throughout both lungs. This finding is highly suggestive of disseminated M. tuberculosis, but may also be seen with fungal, viral, parasitic, bacterial, neoplastic, and inflammatory lung diseases as well. 2. Tracheostomy tube suggests this is a very sick patient. 3. Indistinct opacities that distort the mediastinal contour suggest mediastinal lymph node enlargement. Note the mediastinal borders on the comparison view. 4. Indistinct heart border demonstrating silhouette sign. Note distinct borders on comparison view.
    Keywords: Kochs Disease, Gram-Positive Bacterial Infections, Diagnostic X-Ray Radiology, Diagnosis, Radiography, X-Ray, Diagnostic, Koch's Disease, Radiology, Diagnostic X-Ray, X-Ray Radiology, Diagnostic, Roentgenography, Diagnostic X-Ray

  10. X-ray (chest), PA, Miliary Tuberculosis (TB), Adult Male, Answers

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    Description: 1. Miliary pattern of lung disease with innumerable discrete opacities usually the size of a millet seed (1-3 mm) more or less evenly distributed throughout both lungs. This finding is highly suggestive of disseminated M. tuberculosis, but may also be seen with fungal, viral, parasitic, bacterial, neoplastic, and inflammatory lung diseases as well. 2. Tracheostomy tube suggests this is a very sick patient. 3. Indistinct opacities that distort the mediastinal contour suggest mediastinal lymph node enlargement. Note the mediastinal borders on the comparison view. 4. Indistinct heart border demonstrating silhouette sign. Note distinct borders on comparison view.
    Keywords: Diagnostic X-Ray Radiology, Gram-Positive Bacterial Infections, Diagnostic X-Ray, Diagnosis, X-Ray Radiology, Diagnostic, Roentgenography, Radiology, Diagnostic X-Ray, X-Ray, Diagnostic, Radiography