When should I be referred for heart care during cancer treatment? Roland Njei, MD, board-certified cardiologist who specializes in Cardio-Oncology and practices at Franciscan Health, explains when a referral helps. Learn which baseline risk factors (blood pressure, diabetes, prior heart disease) and treatments prompt evaluation, what tests a cardio-oncologist will order (echo, high-sensitivity troponin, EKG), and how oncologists, cardiologists, and primary care work together to decide if specialist follow-up is needed.