Donald L. Johnston, MD

Cardiovascular Disease Doctor

Dr. Donald L. Johnston is a Cardiovascular Disease Doctor in Rochester, MN with special training and skill in diagnosing, treating and preventing diseases related to the heart and blood vessels. As a Cardiovascular Disease Doctor, Donald L. Johnston, MD performs medical diagnosis and treatment of coronary artery disease, congenital heart defects, heart failure, valvular heart disease, and electrophysiology. Cardiovascular Disease Medicine is a medical specialty focused on treating diseases of the heart and circulatory system. Significant diseases and conditions treated by Cardiovascular Disease Doctors include include heart disease, stroke, cardiovascular disease, atherosclerosis, cardiomyopathy, and hypertension. Medical tests, procedures and therapies provided by Cardiovascular Disease Doctors include blood tests, diagnostic imaging such as x-ray, MRI, and CT scan, electrophysiology studies, electrocardiogram (ECG), echocardiograms, stress tests, and referral to other specialists as needed.

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.