Takayasu's arteritis is an autoimmune disease. It causes inflammation of the large arteries. It's a rare disease that's most common in women and people of Asian descent.

A subdural hematoma is a buildup of blood on the surface of the brain. Read on for details about this condition, including causes, who's at risk, symptoms, diagnosis, and treatment.

A subconjunctival hemorrhage is when a blood vessel breaks open in the white of the eye. It causes a bright red patch in the white of the eye.

Sixth nerve palsy occurs when the sixth cranial nerve is damaged or doesn't work right. It's also known as the abducens nerve. This condition causes problems with eye movement.

Sinus bradycardia is a type of slow heartbeat. Read on to learn more about this condition, including causes, risk factors, symptoms, diagnosis, and treatment.

Simple kidney cysts are fluid-filled sacs that form in your kidneys. These cysts usually don’t affect how the kidneys function.

When you have a shoulder separation injury, trauma damages the ligaments surrounding your acromioclavicular (AC) joint. This is where your collarbone (clavicle) meets your shoulder blade (scapula). If your injury is severe, part of your shoulder blade actually separates from your collarbone.

Snoring doesn't necessarily mean that you have a medical condition, but it can sometimes be a sign of a serious sleep disorder, including sleep apnea.

A seborrheic keratosis is a growth on the skin. The growth is not cancer (benign). Its color can range from white, tan, brown, or black. Seborrheic keratoses often appear on a person’s chest, arms, back, or other areas. They’re very common in people older than age 50, but younger adults can get them as well.

Right bundle branch block comes from a problem with the heart's ability to send electrical signals. It usually doesn't cause symptoms unless you have some other heart condition. Read on for details about this condition.