Conditions

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Decompression sickness (DCS) is a rare condition that can occur in deep sea divers, aviators, miners, astronauts, mountain climbers or people who work at high or low altitudes...


Deep vein thrombosis (DVT) is the formation of clots within the deep veins of the body, most commonly in the legs.


Dementia is a general term for the loss of mental functions such as memory, reasoning, and thinking that is so severe it interferes with a person’s ability to function...


Diabetes is a chronic disease marked by high levels of sugar in the blood. Diabetes can be caused by too little insulin, resistance to insulin, or both...


Diabetes that is not properly controlled can lead to periodontal (gum) diseases in both young and old people. Periodontal diseases are infections of the gums and bone that hold the teeth in place...


Learn more about Diabetes and Periodontal disease causes, symptoms and treatments available at the award-winning Northwell Health.


Diabetic foot is a medical term for multiple problems and complications that can happen to people with diabetes. Over time, the high blood sugar levels of diabetes damage nerves and blood vessels...


Diabetic foot is a medical term for multiple problems and complications that can happen to people with diabetes. Over time, the high blood sugar levels of diabetes damage nerves and blood vessels. The foot is a commonly affected area that illustrates many of the effects of diabetes on the body.


Neuropathy and blood vessel disease associated with diabetes can cause a variety of diabetic foot conditions, including ulcerations and infections. The nerves of the feet are the longest in the body and often are affected by neuropathy...


Diabetic kidney disease is one of the complications of diabetes. The function of healthy kidneys is to act as filters that keep the bloodstream clean. When kidneys are damaged by the high blood sugar levels of diabetes, waste and fluids build up in the blood, instead of being eliminated...


Diarrhea is defined either as watery stool, or increased frequency, or both, when compared to a normal amount. It is a common problem that may last a few days and disappear on its own...


A dislocated shoulder is the most frequently occurring dislocation to any joint in the body. It is a painful injury that happens when a fall or accident causes the top of your upper arm bone (humerus) to pop out of your shoulder joint’s cup-shaped socket (glenoid—part of your shoulder blade), also known as a glenohumeral dislocation.


In the colon, some people have small pouches that bulge outward through weak spots. Diverticular disease is an inflammation or infection in the pouches, known as diverticula, which are located in the colon: A single pouch is called a diverticulum...


Diplopia, commonly referred to as double vision, is a condition that leads to the perception of two images of a single object seen next to each other or overlapping...


Learn more about what causes double vision, symptoms and world-class treatments available at Northwell Health.


Dubin-Johnson syndrome is a very rare genetic disorder in which a person has mild jaundice (yellowing of the skin and eyes) throughout their lifetime. This disorder, which is passed down through families, disturbs the body’s ability to remove bilirubin (a chemical produced by the liver) from the liver...


Dupuytren's contracture is a thickening of the tissue below the skin in the palm of the hand. As a result of this thickening, lumps can form beneath the skin, usually appearing at the base of the ring and pinkie fingers. These lumps eventually develop into a thick band, called a cord, which extends into the fingers, causing them to contract or pull into the palm.


Learn about Dural Arteriovenous Fistula, symptoms, causes and treatments at Northwell Health’s Neuroscience Institute.


Dysplastic hips is a term used to describe a broad spectrum of abnormalities of the hip joint that can develop soon after birth or over time during childhood.