Diseases & conditions A-Z List
Diseases & Conditions A-Z List - «S»:
Shingles (herpes zoster) is a painful, blistering skin rash due to the varicella-zoster virus, the virus that causes chickenpox.
See also: Ramsay Hunt syndrome
After you get chickenpox, the virus remains inactive (becomes dormant) in certain nerves in the body. Shingles occurs after the vir...
Shock is a life-threatening condition that occurs when the body is not getting enough blood flow. This can damage multiple organs. Shock requires immediate medical treatment and can get worse very rapidly.
Major classes of shock include:
Cardiogenic shock (associated with heart pro...
Short bones in the human body are cubelike -- the length, width, and height measurements are all about the same.
Short bones include the carpal bones (hands, wrist) and tarsal bones (feet, ankles)....
Short bowel syndrome
Short bowel syndrome is a condition in which nutrients are not properly absorbed (malabsorption) due to severe intestinal disease or the surgical removal of a large portion of the small intestine.
When areas of the small intestine are removed by surgery, or they are missing due to a birth de...
A short philtrum is a shorter than normal distance between the upper lip and the nose.
The philtrum is the groove that runs from the top of the lip to the nose.
The length of the philtrum is passed down from parents to their children through genes. This groove is shortened in people ...
Short stature refers to any person who is significantly below the average height for a person of the same age and sex.
The term often refers to children or adolescents who are significantly below the average height of their peers.
A growth chart is used to show a child's current heig...
Shoulder arthroscopy is surgery that uses a tiny camera called an arthroscope to examine or repair the tissues inside or around your shoulder joint. The arthroscope is inserted through a small incision (cut) in your skin.
The rotator cuff is a group of muscles and tendons that cover yo...
Shoulder CT scan
A computed tomography (CT) scan of the shoulder is an imaging method that uses x-rays to create cross-sectional pictures of the shoulder.
How the Test is Performed
You will be asked to lie on a narrow table that slides into the center of the CT scanner.
Once you are inside the scanner, the machine'...
Shoulder MRI scan
A magnetic resonance imaging (MRI) scan of the shoulder is a noninvasive method to create detailed pictures of the shoulder area and surrounding joint, muscles, and tissues.
Unlike x-rays and computed tomographic (CT) scans, which use radiation, MRI uses powerful magnets and radio waves. The MRI sca...
Shoulder pain involves any pain in or around the shoulder joint.
The shoulder is the most mobile joint in the human body. The rotator cuff in the shoulder is made up of four tendons. These tendons give the shoulder a wide range of motion.
Any swelling, inflammation, tearing, or bony ...
Shoulder replacement is surgery to replace the bones of the shoulder joint with artificial joint parts.
You may receive general anesthesia before this surgery. This means you will be unconscious and unable to feel pain. Or, you may have regional anesthesia. Your arm and shoulder area wi...
Shoulder replacement - discharge
You had shoulder replacement surgery to replace the bones of your shoulder joint with artificial joint parts. The parts include a stem made of metal and a metal ball that fits on the top of the stem. A plastic piece is used as the new surface of the shoulder blade. Artificial joints come in differen...
Shoulder surgery - discharge
You had shoulder surgery to repair the tissues inside or around your shoulder joint. The surgeon may have used a tiny camera called an arthroscope to see inside your shoulder.
You may have needed open surgery if your surgeon could not repair your shoulder with the arthroscope. If you had open surger...
A sialogram is an x-ray of the salivary ducts and glands.
The salivary glands are located on each side of the face and send saliva into the mouth.
How the Test is Performed
The test is performed in a hospital radiology department or in the health care provider's office by an x-ray technician. You m...
Sick sinus syndrome
Sick sinus syndrome is a collection of heart rhythm disorders that include:
Sinus bradycardia -- slow heart rates from the natural pacemaker of the heart
Tachycardias -- fast heart rates
Bradycardia-tachycardia -- alternating slow and fast heart rhythms
Sick sinus syndrome is relatively un...