Question

A 50-year-old with possible ACS and normal initial ECG. According to chest pain guideline, which biomarker strategy is preferred?

Accepted Answer

High-sensitivity troponin-based accelerated diagnostic protocol

Answer

Conventional troponin at 0 and 12 hours only

Answer

CK-MB serial testing

Answer

Myoglobin assay

Answer

The 2021 guideline endorses hs-troponin protocols for early rule-in/out. CK-MB and BNP are not preferred for ACS diagnosis.

Practice question

A 50-year-old with possible ACS and normal initial ECG. According to chest pain guideline, which biomarker strategy is preferred?