Thymoma and thymic carcinoma are two types of cancer that start in the cells of the thymus. These types of cancer are rare.

Where the catheter enters your body, it is covered with a bandage (dressing). Only change the dressing if you or a caregiver has been told to do so.

SCAD is an emergency condition. It occurs when a tear develops in the wall of one of the arteries that supplies blood to the heart muscle.

Phlebotomy is when blood is drawn from the body. Therapeutic phlebotomy is when blood is drawn to treat a disease.

Left ventricular hypertrophy (LVH) is an enlarged heart.

An ASD is a common heart defect that's present at birth. If it's not found until you are an adult, your heart may not be able to pump as much blood.

There are many reasons you may have vaginal bleeding during pregnancy. In some cases, it’s not something to worry about. But bleeding can be a symptom of something serious, especially if it occurs later in your pregnancy. Here is a look at common causes of vaginal bleeding during pregnancy. Always call your doctor if you have bleeding at any stage of pregnancy.

An ultrasound is a type of imaging test. It uses high-frequency sound waves to make images of organs and other structures inside the body.

Follow these easy, step-by-step illustrations to do the Epley maneuver for the left ear.

A methacholine challenge test (MCT) is a type of lung function test. MCT is often done to diagnose asthma if symptoms aren't typical.