Characterisation of the cytokine response in the Acute Coronary Syndrome and its modulation with angiotensin-converting enzyme inhibition (Protocol B)

INTERVENTION: Randomised controlled trial. Random allocation to: 1. Standard management 2. Standard management + angiotensin‐converting enzyme inhibitor CONDITION: Acute coronary syndrome ; Circulatory System ; Other acute ischaemic heart diseases PRIMARY OUTCOME: Cytokine levels measured in the blood peripheral venous blood SECONDARY OUTCOME: Not provided at time of registration INCLUSION CRITERIA: The patient population will be drawn from all patients admitted to the cardiac unit based at the Leeds General Infirmary or St James's University Hospital with chest pain within the preceding 24 h. Patients must have a history and electrocardiogram (ECG) changes consistent with a diagnosis of the Acute Coronary Syndrome.