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Test Findings

Mediastinal shift



    • Look For

    • Deviation of the mediastinum toward one side of the chest.
    • Causes of Mediastinal Shift

    • Mediastinal mass - tumour, lymphadenopathy
    • Lung volume loss - lobectomy, pneumonectomy, significant atelectasis
    • Lung volume expansion - tension pneumothorax, large pleural effusion
    • Interpretation

    • Tracheal deviation - a sign of upper mediastinal shift
    • Deviation of the cardiac shadow - a sign of lower mediastinal shift
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