Rick Ross Hospitalized, On Support Machine

Rick Ross has been hooked up to a machine that's taking over the function of his heart and lungs and that's according to sources connected to the music mogul.

Rick is in a Miami hospital getting treatment in the cardiac unit -- a strong sign he might have suffered a heart attack.

TMZ broke the story ... Rick was rushed to a hospital after a 911 caller reported he was unresponsive and "slobbing at the mouth."

His colleagues have also taken to social media to ask the world to pray for him. #PrayForRickRoss