ELEVATION OF THE DIAPHRAGM
- In most people the diaphragm in the mid lung field lies at the level of the fifth or sixth anterior rib interspace
- CAUSES OF BILATERAL SYMMETRICAL ELEVATION OF THE DIAPHRAGM
Supine position |
Poor inspiration |
Obesity |
Pregnancy |
Abdominal distension (ascites, intestinal obstruction, abdominal mass) |
Diffuse pulmonary fibrosis |
Lymphangitis carcinomatosa |
Disseminated lupus erythematosus |
Bilateral basal pulmonary emboli |
Painful conditions (after abdominal surgery) |
Bilateral diaphragmatic paralysis |
- CAUSES OF UNILATERAL ELEVATION OF THE DIAPHRAGM
Posture—lateral decubitus position (dependent side) |
Gaseous distension of stomach or colon |
Dorsal scoliosis |
Pulmonary hypoplasia |
Pulmonary collapse |
Phrenic nerve palsy |
Eventration |
Pneumonia or pleurisy |
Pulmonary thromboembolism |
rib fracture and other painful conditions |
Subphrenic infection |
Subphrenic mass |
REF:
Adam: Grainger & Allison's Diagnostic Radiology, 5th
ed.
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