"Discovery2" Study of Using MCG at Emergency Departments

Inclusion Criteria: * Women and men aged 22 years and older * Participant presenting with signs and symptoms suggestive of NSTE-ACS * In ED chest pain/NSTE-ACS care pathway * HEART Score 4+ * Have received their first troponin result and can accommodate an MCG scan before the second troponin result. Exclusion Criteria: * Unable to provide informed consent * ST elevation myocardial infarction (STEMI) * Active arrhythmia (as seen on the most recent ECG) such as atrial fibrillation, atrial flutter, ventricular tachycardia * Acute hemodynamic instability * Inability to lie supine and still for 5-10 minutes * Known or suspected pregnancy * Unable or unwilling to comply with required follow-up * Metallic passive implants that would make the participant unsuitable for MCG (e.g. spinal implants, metal shoulder replacements, dental implants.. etc.) * Active implantable medical devices (e.g. pacemakers, neurostimulators.. etc.) * Active illegal drug use per history of present illness * Contraindicated for temporary removal of telemetry during MCG scan * Clear non-ischemic cause for symptoms (e.g. trauma, viral infection, valve disease) * Clinical conditions that in the opinion of the Investigator would compromise the safety of the participant or ability to complete the protocol (e.g., exceeds bed weight limit, allergy to adhesives)