Flow chart enumerating the diagnosis and management of cardiac paraganglioma. *Results are to be interpreted with caution that biochemical evaluation may be negative in non-functioning paraganglioma. #Results are to be interpreted with caution that anatomical imaging may miss small paragangliomas and functional imaging can act as complimentary diagnostic tool. BP, blood pressure; HR, heart rate, 68Ga-DOTATATE, 68Ga-DOTA(0)-Tyr(3)-octreotide; PET/CT, positron emission tomography/CT.