If the patient requires further treatment they must wait for a bed to become available in Wellington before they can be airlifted there.
Snee said it could take between 10-14 days to complete the process, as sometimes beds were not available in Wellington and the results were not as good compared to if they were done locally.
"We know that the sooner it is done, the better it is for you getting back on your feet. Ideally it should be done within a few hours of actually having a heart attack." he said.
"Wherever we can, we want to stop people from traveling long distances to Auckland and Wellington if it is appropriate."
The DHB planned to recruit more interventional cardiologists to slowly build up the service and it was working on a proposal to build a dedicated angiogram unit.
Hawke's Bay Hospital chief medical and dental officer Dr John Gommans said patients were unable to be transported to Wellington Hospital for about 30 days during the year due to weather.
"Sometimes our patients wait because it is not ideal to fly unless it is an emergency."
A problem was when its peaks of demand coincided with other regional hospitals. Gommans said.
"In recent peaks we have had Nelson treating some of our patients under the regional agreement because they have had capacity where Wellington hasn't."
He said the service in Wellington was good when patients were there and a small portion of technical cases would continue to be done in the capital.
It's the latest development in a move to bring health services closer to home.
Recently it was announced the DHB would be acquiring a linear accelerator in the next few years from the Palmerston North-based regional cancer treatment service to use in radiation treatment for cancer sufferers.
Currently Hawke's Bay cancer patients have to complete the more than 400km round-trip to Palmerston North.