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diverticulitis

Inflammation of the diverticula in the intestine, particularly in the colon. Diverticula are small pouches that protrude from the walls of hollow organs such as the colon.

diverticulosis

A form of diverticular disease, in which there are diverticula present in the intestine, particularly in the colon.

DKA

An abbreviation for diabetic ketoacidosis.

DM

An abbreviation for diabetes mellitus.

DNA

The building blocks of the genes in almost all living organisms - spelt out in full as deoxyribonucleic acid.

dopamine

A type of neurotransmitter - chemicals that help the communication between nerve cells (neurons).

Doppler ultasound test

An ultrasound test that uses reflected sound waves to evaluate blood as it flows through a blood vessel.

Down's syndrome

A chromosomal abnormality.

DRE

Abbreviation for Digital rectal examination.

drip

A means for the continuous injection into a vein.

DU

An abbreviation for duodenal ulcer.

dual energy X-ray absorptiometry

A means of measuring bone density.

Duane syndrome

A rare congenital (present from birth) eye movement disorder.

DUB

An abbreviation for dysfunctional uterine bleeding.

Dubin-Johnson syndrome

A rare inherited condition involving impaired metabolism of bilirubin.

ductal carcinoma in situ (DCIS)

A type of non-invasive breast cancer arising in a milk duct, also known as intraduct carcinoma

duodenal ulcer

Ulcer of the duodenum.

duodenum

The first part of the small intestine.

Duplex ultrasound

An ultrasound technique that uses sound waves to see how well blood is flowing through the blood vessels.

DVT

An abbreviation for deep vein thrombosis: the obstruction of one of the deep veins, often in the calf, by a blood clot.

DXA

An abbreviation for dual energy X-ray absorptiometry.

dysarthria

Speech disorder.

dyscrasia

An abnormal state of a part of the body.

dyscrasias

A medical term meaning disorder.