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://www.roneverhart.com/ESP-LTD-SD-2-Sammy-Duet-Signature-Model-Electric-Guitar-Black-p20045/