The history of an Achilles rupture is classically described as a feeling of a direct impact to the Achilles area with sometimes a very audible ‘crack’ or ‘snap’, heard by the patient. There is an immediate inability to continue with activity and well localised pain. In the vast majority of cases, posterior ankle bruising and swelling occurs rapidly
with most patients seeking immediate treatment.

However, there are a number of patients who either present late following a complete rupture, or in whom the diagnosis is initially missed. The reasons for this vary, but it is important to be aware that beyond two weeks after a complete rupture, there is usually very little pain anymore.

Read the full article in Practice Matters :practicemattersmag.co.uk/article-full-reading.php?id_article=168