What is the utility and recommendation for adding troponin and/or BNP to echocardiograms to screen for cardiac dysfunction In breast cancer patients receiving anthracycline based regimens?  

For a healthy woman who received a total cumulative dose of 240 mg/m2 of doxorubicin, nothing more than a baseline echocardiogram is needed. JCO put out a clinical practice guideline in 2017 (Armenian et al., PMID 27918725) that covers the prevention and monitoring of cardiac dysfunction in survivor...