According to TMZ: Rich Homie Quan just got rushed to a hospital after suffering TWO seizures during a music video shoot ... 


According to Quan's rep ... the rapper was shooting a video with Problem in Atlanta's Piedmont Park, and about an hour ago he suffered back-to-back seizures.

We're told when Quan hit the ground ... he cracked his head pretty badly, paramedics were called ... and he was taken to an Atlanta hospital for emergency treatment.

His condition is unknown right now.

Quan -- one of the hottest new rappers -- was just featured on XXL mag's 2014 Freshman class issue.

Story developing ...