John Colleran, DO

Interventional Cardiologist

Dr. John Colleran is an Interventional Cardiologist in North Little Rock, AR with special training and skill in diagnosing and treating cardiovascular disease, congenital (present at birth) heart dysfunctions, and structural heart conditions. Interventional Cardiologists rank among the world's foremost authorities on cardiovascular disease and its treatment. As an Interventional Cardiologist, John Colleran, DO performs diagnostic exams and scans like angiograms, ECGs, MCOTs, stress tests, ultrasound imaging, nuclear imaging, peripheral vascular testing, as well as anticoagulation, heart failure, lipid and cholesterol surgery and management. Interventional Cardiology is the study, assessment, diagnosis, and treatment of cardiovascular conditions. Significant diseases and conditions treated by Interventional Cardiologists include cardiac disease, coronary artery disease, peripheral vascular disease, heart valve disease, structural and non-valvular heart disease, hertrophic cardiomyopahty, resistant hypertension, atrial septal defect, aortic stenosis, and patent foramen ovale. Medical tests, procedures and therapies provided by Interventional Cardiologists include coronary artery bypass grafting, angioplasty and stenting, atherectomy, embolic protection, percutaneous valve repair, and balloon angioplasty.

An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.

Other Service Specialist

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.