Using cTn to Assess Chest Pain Patients: The Accuracy vs. Turnaround Time Debate is the ninth of 12 programs in AACC’s “Cutting Edge Technologies, Common Sense Solutions” webinar series. RESOLVED: In the assessment of chest pain patients, accuracy is more important than speed. Or is it? During this webinar, a cardiac biomarker expert and a POCT director square off to debate the pros and cons of using POCT vs. central laboratory testing for cTn in determining whether an emergent chest pain patient is having or has had a heart attack.