Magnetocardiography as a Tool for Patients Presenting With Chest Pain - Pilot Study

Inclusion Criteria: Non ischemic chest pain subject inclusion criteria * Subjects will be males or females over the age of 18. * Subjects will have experienced chest pain within the last 8 weeks and have been subsequently referred to the rapid access chest pain clinic (RACPC). * Subjects will have no coronary artery disease/ischemia as demonstrated by one of the following: MRI, myoview or stress echo within no less than 4 weeks prior to the magnetocardiogram (MCG) scan. * Subjects will have given written informed consent to participate in the study. Myocardial Infarction subject inclusion criteria * Subjects will be males or females over the age of 18. * Subjects will have experienced chest pain and have been admitted to the cardiology unit. * Subjects will have an abnormal level of Troponin (≥50ng/l) taken at 12 hours following the onset of chest pain. * Subjects will be suitable to have an MCG scan taken within 48 hours of the onset of chest pain and prior to coronary angioplasty or any other surgical intervention. * Subjects will have given written informed consent to participate in the study. Exclusion Criteria: Non ischemic chest pain subject exclusion criteria * Subjects with symptoms suggestive of acute coronary syndrome that require further investigation. * Subjects who had an abnormal level of Troponin (≥50ng/l) - as determined by a test performed prior to referral to the RACPC. * Subjects who have a pacemaker or internal cardiac defibrillator. * Subjects with an active implantable device. * Subjects with ferrous implants in the torso including wires or ferrous stents. * Subjects who are pregnant. * Subjects who are unable to lie in a supine position. * Subjects with any comorbidity that prevents them being scanned. Myocardial Infarction subject exclusion criteria * Subjects who have had a STEMI. * Patients with haemodynamic instability (dysrhythmia or hypotension). * Subjects who have had a revascularisation technique performed prior to an MCG scan. * Subjects who have a pacemaker or internal cardiac defibrillator. * Subjects with ferrous implants in the torso including wires or ferrous stents. * Subjects with an active implantable device. * Subjects who are pregnant. * Subjects who are unable to lie in a supine position. * Subjects with any comorbidity that prevents them being scanned.