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Why is vocal resonance increased in consolidation but reduced in pleural effusions? watch

    • Thread Starter

    Is it somehow related to the fact that pleural effusion is within the pleural space whereas consolidation is in the lung/alveoli itself?
    Could anyone kindly explain this to me? (:

    I’ll have a go at explaining but not entirely too sure:

    In a consolidated lung, there is less delay is transmitting sound because sound travels better through a solid or liquid than gas(air in the lungs), so vocal fremitus increases.

    In pleural effusion, you are now increasing the distance between the chest wall and lung tissue and therefore sound isn’t able to travel as much.
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