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Cough impulse

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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The cough impulse is a clinical sign that is elicited when examining a hernia.

If the swelling expands upon coughing, it is said to have a 'cough' impulse.

Movement of the swelling without expansion or an increase in tension is not a cough impulse.

The presence of an expansile cough impulse is almost diagnostic of a hernia. However a hernia may not have a cough impulse - neck of the sac may be blocked by adhesions which prevent the movement of additional viscera into the sac during coughing.


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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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