Mike Patterson has brain AVM (arteriovenous malformation) and will require surgery or radiation, according to ESPN. Patterson apparently wasn't suffering from dehydration after all. AVM is a tangle of the blood vessels in the skull and recovery times depend on the severity. Pacers PG A.J. Price had the same condition. The Eagles can't count on having Patterson on the field anytime soon.

Eagles trainer Rick Birkholder confirms DT Mike Patterson (dehydration) is in "very stable" condition Wednesday afternoon. "He's very asymptomatic right now," said Birkholder, adding that Patterson already wants to return to training camp. He's expected to spend the night in the hospital as a precaution. There is not yet a timetable for his return.

Mike Patterson is being treated for mere dehydration, a source tells beat writer Les Bowen. It sounds like we can exhale. Patterson broke into a seizure for four minutes at Wednesday morning's practice, lost consciousness and was taken to the hospital via an ambulance. But ProFootballTalk's Mike Florio is reporting that the defensive tackle is already sending text messages from the hospital saying that he is fine.

Eagles DT Mike Patterson went into convulsions during Wednesday morning's practice and ended up leaving the field in an ambulance. Scary scene by all accounts at Lehigh University. Patterson was able to move his extremities, but his neck was stabilized as his teammates circled around. It's unclear if this was contact-related. We'll know more when coach Andy Reid addresses the media.