A man is fighting for life in hospital on Wednesday after falling off a Lime scooter and suffering a heart attack in South Bank Parklands overnight.

Multiple ambulance crews, including specialist critical care paramedics, rushed to the scene about 12.20am after the 50-year-old Woolloongabba man suffered a fall.

Emergency services said the man fell from the Lime scooter on the South Bank forecourt near the Wheel of Brisbane. Credit:Toby Crockford

Police said the man rode the hired electric scooter south across the Victoria Bridge and onto the forecourt at South Bank, where he fell.

As the rider fell, he hit his head and went into cardiac arrest, but paramedics revived him at the scene, near the Wheel of Brisbane.