When you see idiopathic uveitis, keep sarcoid on your radar.

study published in the January issue of JAMA Ophthalmology examined the prevalence of sarcoidosis in patients diagnosed with idiopathic uveitis.

The study details:
The study reviewed data of uveitis patients referred to the Casey Eye Institute. Of these 179 idiopathic cases, further testing revealed that 11% of them actually had sarcoidosis.

Why is this important?
Because cardiac involvement in sarcoidosis can be life-threatening and it was found that 20% of the patients diagnosed with sarcoid in this study had episodes of ventricular tachycardia requiring implantable cardiac defibrillators. (via)