To anyone else experiencing similar symptoms, or who are interested in this:
After a lot of searching, I came across this article from the Department of Accident and Emergency, Rotherham District General Hospital, Rotherham, UK, that seems to mirror my exact situation - although our injuries were caused by different things. They call it an avulsion fracture of the xiphoid process.
[I]Introduction
Avulsion fractures are very commonly seen in limb injuries, usually resulting from a force pulling the tendons or ligaments which avulses the bone at its attachment. We report an unusual case of avulsion fracture of the xiphoid process.
Patient
A 53-year-old gentleman presented to Accident and Emergency complaining of epigastric pain and a lump over the epigastrium.
He had no previous cardiac or gastrointestinal history. He stated that pain occurred suddenly while he was using a winding gear. The winding gear jammed on the down stroke and he immediately felt a pain. He described this as a dull ache with no radiation, worse on movement, inspiration and palpation. He denied any direct trauma to the chest or shortness of breath, palpitations, nausea or heartburn.
On examination, the patient had localised severe tenderness over the xiphoid process, with no other findings in the chest or the abdomen.
An anterioposterior (AP) and lateral chest X-rays were performed, the AP was normal, but the lateral view showed a fractured xiphoid process. (Fig. 1) ECG was normal.
No specific treatment was given other than analgesia. By 9 months, he reported a gradual resolution of his symptoms over 3 months. He retains a residual bony hard lump, approximately 1–2 cm in size, at the base of the xiphisternum, which is no longer tender.
Conclusion
Extreme tension on the abdominal wall muscles can cause a force powerful enough to pull the xiphoid process causing an avulsion fracture.
A literature search has revealed no other such cases.[/I]
The symptoms he describes, and the manner in which the injury occurred lead me to believe this is exactly the same injury I’m suffering from. I will bring it up at my doctor’s appointment next Friday, and update with his opinion.
As for myself, I’ve been living my life as usual (minus the yoga) - still working out with no major issues. I don’t want to stop exercising because of this unless my doctor specifically tells me to stop. There is some mild pain when I do exercises where I puff my chest out, like pull-ups, and some pain when I do ab exercises. Generally though, I feel like the pain has subsided a little bit - maybe 80% of what it was a few days ago. I really hope it won’t take a year to heal!
Brennan