The Westpac Rescue Helicopter was called out on Sunday (June 24) to Shelly Beach Headland, south of Yamba.
A 45-year-old male had suffered a suspected heart attack while bush walking in Yuragir National Park with his family.
The scene of the incident was remote, which required the Rescue Helicopter to winch in a doctor and critical care paramedic.
The patient was treated onsite, winched into the rescue helicopter and flown to Gold Coast University Hospital for further treatment.
In a separate incident, the helicopter was called out early Saturday morning to the Yamba Lighthouse. It was reported that a 80-year-old male had suffered a cardiac arrest whilst fishing.
The patient was treated on scene by the helicopter critical are team and flown to Gold Coast University Hospital.