Radiologists perform general diagnostic radiology (X-ray, radionuclides, ultrasound, and electromagnetic radiation) to diagnose and treat diseases of patients of all ages. They may sometimes also perform vascular and interventional radiology and are responsible for communicating critical values...

Hematology is the practice of pathology concerned with the study and diagnosis of human diseases involving the hematopoietic tissues. Hematology as a subspecialty of internal medicine. Hematologists diagnose, treat, and investigate diseases of the blood, spleen, and lymph, and disorders...

The subspecialty of hospice and palliative medicine is the medical component of the broad therapeutic model known as palliative care. These subspecialists reduce the burden of life-threatening conditions by supporting the best quality of life throughout the course of an illness and by managing...

Rheumatology is the subspecialty of internal medicine concerned with the diagnosis and treatment of arthritis and other diseases of the joints, muscles, and bones. Rheumatic diseases—which typically cause pain, swelling, disability, deformity, and/or loss of function in the affected area—incldue...

Undersea and hyperbaric medicine is a unique subspecialty of emergency medicine that involves the therapeutic use of oxygen under pressure to treat disease. The Undersea and Hyperbaric Medical Society defines hyperbaric oxygen treatment as an intervention in which an individual breathes near-100...

Sleep medicine entails having expertise in the diagnosis and management of sleep-related clinical conditions, including circadian rhythm disorders. This subspecialty includes the clinical assessment, polysomnographic evaluation, and treatment of sleep disorders, including insomnias, disorders of...

Infectious disease is a subspecialty of internal medicine that involves the diagnosis, management, and prevention of infections in patients of all ages. Infectious disease physicians diagnose and treat diseases of all types in all organ systems. These diseases result from infections, including...

Sports medicine is a multidisciplinary subspecialty that focuses on the prevention, evaluation, diagnosis, and nonsurgical treatment of athletes and other physically active individuals. Generally, sports medicine physicians, also called sports medicine specialists, diagnose and provide...

Internal medicine is a specialty that involves the study and practice of health promotion, disease prevention, diagnosis, care, and treatment of men and women, while healthy and through acute and chronic illnesses. Internists mainly practice adult medicine and have received training that...

A general surgeon has principal expertise in the diagnosis and care of patients with diseases and disorders affecting the abdomen, digestive tract, endocrine system, breast, skin, and blood vessels. Additionally, general surgeons are trained in the care of pediatric and cancer patients, as well...

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