First-degree heart block is a condition where the wiring of the heart is slow to send electrical signals for the heartbeat. Learn about its causes, symptoms, and treatment.

Tumor excision is surgery to remove a tumor. Frozen section is a tool that can be used during surgery. It helps to determine how much of a tumor needs to be removed and that the margins are clear of dangerous cells.

An epidermoid cyst is a small abnormal growth in the top layers of the skin. These cysts grow slowly, and they can grow anywhere on the body. Learn about causes, symptoms, and treatment.

This sheet will help you learn what to expect after your outpatient surgery. It covers medicines, recovering at home, and follow-up care.

Seborrheic dermatitis is a common type of rash that causes red, scaly, greasy skin. It occurs on skin that has oil glands, such as the face, scalp, and upper chest.

Contact dermatitis is a common type of skin rash. It's caused by something that touches the skin and makes it irritated and inflamed.

Cercarial dermatitis is a type of skin rash. It's caused by an allergic reaction to tiny parasites. The parasites are sometimes found in water, such as lakes, rivers, and the ocean.

A coronary calcium scan is a test that looks at the arteries that supply blood to the heart muscle. These are called the coronary arteries. The scan checks for plaque buildup along the walls of these arteries.

Radiofrequency ablation (RFA) is a way to treat cancer that is growing in the liver. The treatment uses heat to kill cancer cells.

A carbuncle is a painful boil under the skin. It happens when a group of hair follicles become infected.