Kavinda Herath/Stuff Graeme Shepherd, centre, and his son Colin, right, were able to thank the paramedics who saved Graeme's life a year ago. They said Colin’s quick thinking made it possible. Posing with the father and son, from left, are Jason McVie, Rowan Hook, and Helen Bottcher. Only 12 per cent of Kiwis who have a heart attack is a community setting will survive, which is why Invercargill man Graeme Shepherd considers himself blessed. It was thanks to the quick thinking of his son and the lightning-fast response from St John Ambulance that he was able to survive his cardiac arrest and meet the crew who saved him, a year later.