The Women's Hormone Intervention Secondary Prevention Pilot Study

INTERVENTION: Not provided at time of registration CONDITION: Acute myocardial infarction (MI) ; Circulatory System ; Acute myocardial infarction (MI) PRIMARY OUTCOME: Reinfarction, readmission, death SECONDARY OUTCOME: Not provided at time of registration INCLUSION CRITERIA: Post menopausal women (amenorrhoea for more than 12 months oestrogen deficiency symptoms) or more than 55 years, more than 48 hours and less than 7 days after the onset of acute Myocardial Infarction (MI) (Creatine Kinase [CK] twice upper limit or CKMB above the threshold considered diagnostic for myocardial damage in that centre) plus one of the two additional following criteria: 1. Admission for symptoms of acute myocardial ischaemia 2. Changes on the electrocardiogram supportive of a diagnosis of acute MI, provision of written informed consent