John D. Barr, MD

Neuroradiologist

Dr. John D. Barr is a Neuroradiologist in Dallas, TX with special training and skill in diagnosing spine, neck, head, and central nervous system conditions by strategically using neuroimaging techniques. As a Neuroradiologist, John D. Barr, MD performs X-rays, computed tomography (CT) or magnetic resonance imaging (MRI) scans to detect neurological dysfunctions. Neuroradiology is a subspecialty of radiology that diagnoses and characterizes abnormalities of the central and peripheral nervous system. Significant diseases and conditions treated by Neuroradiologists include cerebrovascular diseases, head, neck, and spinal diseases, carotid blowout syndrome, epistaxis, and facial hemangioma. Medical tests, procedures and therapies provided by Neuroradiologists include computed tomography (CT), diffuse optical imaging, event-related optical signal, magnetic resonance imaging, functional magnetic resonance imaging, magnetoencephalography, positron emission tomography, single-photon emission computed tomography, and cranial ultrasound.

A radiologist who diagnoses and treats diseases utilizing imaging procedures as they relate to the brain, spine and spinal cord, head, neck and organs of special sense in adults and children.

Vascular & Interventional Radiologist

Dr. John D. Barr is a Vascular & Interventional Radiologist in Dallas, TX with special training and skill in using radiological imaging to diagnose and treat diseases and disorders. As a Vascular & Interventional Radiologist, John D. Barr, MD performs minimally-invasive, image-guided procedures to minimize the need for invasive surgery. Vascular & Interventional Radiology is a medical specialty focused on applying image-guided, minimally invasive therapy to manage or eliminate internal organ disease or disorders. Significant diseases and conditions treated by Vascular & Interventional Radiologists include heart disease, vascular disease, cancer, blood vessel disease, pulmonary embolism, varicose veins, aneurysm, tumor, uterine fibroid, kidney stones, gallstones, and blocked veins. Medical tests, procedures and therapies provided by Vascular & Interventional Radiologists include angioplasty, blood vessel stenting, cryoplasty, embolization, chemoembolization, gastrostomy, liver drainage, tumor ablation, and vertebroplasty.

A radiologist who diagnoses and treats diseases by various radiologic imaging modalities. These include fluoroscopy, digital radiography, computed tomography, sonography and magnetic resonance imaging.