Parenteral Anticoagulation at First Medical Contact Improves Infarct Related Artery Patency in STEMI.

(1) : Acute ST-segment elevation myocardial infarction (STEMI) remains one of the main morbidity and mortality contributors worldwide. Its main treatment, primary percutaneous coronary intervention (pPCI), can only be performed with a high anticoagulation regimen, usually with heparin. There is still not enough evidence regarding the timing of heparin administration.