Background: Activated platelets release serotonin during acute myocardial infarction (AMI). aggravating myocardial damage and ischemia/reperfusion (I/R) injury. However. serum serotonin and its potential role as a biomarker for myocardial infarction and I/R injury have not been studied so far. https://macorners.shop/product-category/tape-measure/