By Tracey Baker, MBBS, FRACGP, Dip RACOG,DCH, General Practitioner, Canberra, ACT, Australia; George Nikolic , FRACP, FACC. FJFICM, FCSANZ, , Intensivist and Cardiologist at Canberra Hospital; and Simon O'Connor, MBBS, FRACP, DDU, Cardiologist, Canberra Hospital, Canberra ACT, Australia |