In this prospective single institution cohort of over 500 patients evaluated in the ED for chest pain, those at low risk for ACS (TIMI risk 0-2), underwent coronary CTA (1 group with immediate CTA and 1 group with CTA after short observation stay). Those with low risk CTA (calcium score <100 and no stenosis >50%) were discharged home. Those in the immediate CTA group were discharged at a median of 7 hours, and the observation group were discharged at a median of 21 hours. None of those discharged had a CV event or MI at 1 month follow up. This adds to the mounting literature of the safety of early triage and disposition of low risk chest pain patients with coronary CTA (abstract)
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