Diseases & conditions A-Z List
Diseases & Conditions A-Z List - «S»:
Supernumerary nipples is the presence of extra nipples.
Supernumerary nipples are fairly common. They are generally unrelated to other conditions or syndromes. The extra nipples usually occur in a line below the normal nipples. They are usually not recognized as extra nipples because...
Supranuclear ophthalmoplegia is a condition that affects the movement of the eyes.
This disorder occurs because the brain is sending and receiving faulty information through the nerves that control eye movement. The nerves themselves are healthy.
People who have this problem may have progres...
Suprapubic catheter care
A suprapubic catheter (tube) drains urine from your bladder. It is inserted into your bladder through a small hole in your belly. You may need a catheter because you have urinary incontinence (leakage), urinary retention (not being able to urinate), surgery that made a catheter necessary, or another...
Surgical wound care - open
An incision is a "cut" through the skin that is made during surgery. It also called a "surgical wound." Some incisions are small, and others are very long. The size of the incision will depend on the kind of surgery you had.
Do not wear tight clothing that rubs against the incision while it is heali...
Sutures - ridged
Ridged sutures refer to an overlap of the bony plates of the skull in an infant, with or without early closure.
See also: Sutures - separated
The skull of an infant or young child is made up of bony plates that allow for growth of the skull. The borders at which these plates interse...
Sutures - separated
Separated sutures are abnormally wide spaces in the bony joints of the skull in an infant.
See also: Sutures - ridged
The skull of an infant or young child is made up of bony plates that allow for growth. The borders at which these plates come together are called sutures or suture l...
SVC obstruction is a narrowing or blockage of the superior vena cava -- the second largest vein in the human body. The superior vena cava moves blood from the upper half of the body to the heart.
Superior vena cava (SVC) obstruction is a relatively rare condition.
Most often it is caused by ...
Difficulty with swallowing is the sensation that food is stuck in the throat, or from the neck down to just above the abdomen behind the breastbone (sternum).
Swallowing is a complex act that involves the mouth, throat area, and esophagus (the muscular tube that moves food to the sto...
Some people can have a hard time chewing or swallowing foods or liquids. This is called dysphagia.
Symptoms of swallowing problems are:
Coughing or choking, either during or after eating
Gurgling sounds from the throat during or after eating
Throat clearing after drinking or swallowing
Swan-Ganz - right heart catheterization
Swan-Ganz catheterization is the passing of a thin tube (catheter) into the right side of the heart to monitor the heart's function and blood flow in persons who are very ill.
How the Test is Performed
The test can be done while you are in bed in an intensive care unit (ICU) of a hospital or in spe...
Sweat electrolytes test
Sweat electrolytes is a test that measures the level of chloride in sweat. Although genetic tests have become important methods for determining whether a child has cystic fibrosis, the sweat chloride test remains important.
How the Test is Performed
In the first part of the test, a colorless, odorl...
Sweating is the release of a salty liquid from the body's sweat glands. This process is also called perspiration.
Sweating is an essential function that helps your body stay cool. Sweat is commonly found under the arms, on the feet, and on the palms of the hands.
How much you sweat ...
Sweating - absent
An abnormal lack of sweat in response to heat may be harmful, because sweating allows heat to be released from the body. The medical term for absent sweating is anhidrosis.
Anhidrosis sometimes goes unrecognized until a substantial amount of heat or exertion fails to cause sweating.
There are two types of sweeteners:
The caloric sweeteners provide 4 calories per gram. The noncaloric varieties provide zero calories
Caloric sweeteners provide sweet flavor and bulk when added to food. They also maintain freshness and contr...
Swelling is the enlargement of organs, skin, or other body parts. It is caused by build up of fluid in the tissues. The extra fluid can lead to a rapid increase in weight over a short period of time (days to weeks).
Swelling can occur throughout the body (generalized) or only in a specific part of t...