A test of the action of the heart using ultrasound waves to produce a visual display.

A condition characterized by an excess of watery fluid collecting in the cavities or tissues of the body. Edema is sometimes referenced as dropsy and often referenced as swelling.

The measurement of the blood pumped out of the ventricles.

A procedure that measures the electrical activity in the heart.

A procedure, which tests electrical conduction system of the heart to assess the electrical activity and conduction pathways of the heart.

The sudden blocking of an artery by a clot or foreign material which has been brought to its site of lodgment by the blood current.

A doctor who specializes in prompt diagnosis and treatment of injuries, trauma and sudden illness.

The thin, smooth membrane that lines the inside of the chambers of the heart and forms the surface of the valves.

A doctor who specializes in the diagnosis and treatment of conditions affecting the endocrine system (glands and hormones of the body).

A technique that combines the use of endoscopy and fluoroscopy to diagnose and treat certain problems of the biliary or pancreatic ductal systems.

A doctor who specializes in the transmission and control of epidemic diseases. These doctors are sometimes referenced as infectious disease specialists.

A diagnostic test used in cardiology in which the ability of the heart to respond to stress through exercise.

A technique of providing both cardiac and respiratory support oxygen to patients whose heart and lungs are so severely diseased or damaged that they can no longer serve their function.