Peripheral nerve blocks (PNBs) are a type of regional anesthesia. To do the block, a healthcare provider injects numbing medicine into a certain nerve or bundle of nerves. The area below the nerves is then numbed for a time.
Laser photocoagulation uses a laser to seal off abnormal blood vessels in your eye. This treatment can’t restore eyesight that you already have lost. But it may slow down the damage to your central vision.
Sacral nerve stimulation helps treat bladder problems caused by diseases of the nervous system. Before sacral nerve stimulation is done, you need a trial or test procedure to see if it will work. This is called percutaneous nerve evaluation (PNE). Read on to learn the details.
An ovarian cystectomy is a surgery that removes a cyst from your ovaries. It's usually done only if the cyst is large or painful.
Atrial flutter is a type of arrhythmia. It causes the heart to beat faster than normal. Atrial flutter can increase the risk for certain serious problems, such as stroke.
Atrial fibrillation, or A-fib, is a common type of heart arrhythmia. It causes fast, chaotic electrical signals in the atria.
An anal stricture is a narrowing of the end of the tube (anal canal) that takes stool out of the body. This can cause pain and other problems with passing stool.
Alopecia areata is a condition that causes your hair to fall out. It causes bald patches on the scalp, but it can also cause hair loss on other parts of the body.
Actinic keratosis is a skin growth caused by sun damage. Many people get these growths, especially as they age. This is because of regular exposure to the sun over years.
Acanthosis nigricans is a skin condition that appears as dark, thick patches on the skin. Learn more about this condition, including causes, symptoms, and treatment.