echocardiogram is essential for all patients prior to a Maze procedure. The echocardiogram is an ultrasound study of the heart that helps physicians to evaluate the structure and the function of the heart and the valves. In addition, all patients over the age of 40 will need to have a cardiac catheterization to assess the coronary arteries for evidence of blockage.

A week or two before surgery, your ophthalmologist will measure the curvature of the cornea and the size and shape of the eye. For patients who will receive an IOL, this information helps your doctor to choose the right type of IOL.

A physician may suspect the presence of Crohn's disease when a person has some or all of the following symptoms: chronic or nightly diarrhea, abdominal pain, obstruction of the bowel, weight loss, night sweats, intestinal inflammation, fibrosis, or a fistula. After a physical exam is performed on the right lower quadrant of the abdomen and determining if there is any tenderness or inflammatory masses, a number of tests may be ordered to confirm a diagnosis of Crohn's disease.

All patients must have had a brain MRI at some time since the onset of dystonia. All patients must have a detailed videotaped neurological evaluation by Dr. William Marks, lasting several hours, to document the severity of dystonia.

The surgery is at our offices or at the New York Eye and Ear Infirmary, at 2nd Avenue and 14th St. in Manhattan.

Diagnostic testing is critical for all patients to document the disease and determine whether surgery is an appropriate option. Before surgery, a diagnostic evaluation must be made to ensure that gastroesophageal reflux is the underlying cause of the patient's symptoms. This is usually done with 24-hour esophageal pH monitoring, endoscopy, and/or a manometry test. Probably not, but the entire series of tests may not need to be repeated.

Used to evaluate the blood vessels of the neck leading to the brain. Sudden closure of these vessels could potentially cause a stroke. Most often used in the elderly or those with vascular disease. Used to define possible veins in the legs that could be used for bypass. Most often used in patients with peripheral vascular disease. Helps define lung capacity in those patients with respiratory problems such as chronic obstructive pulmonary diseases, asthma, or ailments from smoking.

DurAlt? FC has been widely tested at independent laboratories including Southwest Research Institute, San Antonio, Texas; National Institute for Petroleum Energy Research, Bartlesville, Oklahoma; Ricardo Consulting Engineers, England; Elf Aquitaine Oil Company, France; and Automotive Laboratory of Lemigas, Indonesia.

Prides performs many tests to insure the quality of its paint. Among these are tests for viscosity, weight per gallon, pigment percentage, non-volatiles, opacity, reflectance, flexibility and total solids.

We test for blood type (ABO and Rh) and screen for antibodies to red cell antigens. We also perform a number of tests for infectious agents: Syphilis It is important to remember that all of the above tests are considered screening tests, i.e., they are very sensitive (in order not to miss blood containing an infectious agent), and they can provide rapid results on large-volume testing.

Before surgery, a small tube called an intravenous line will be inserted into your arm to administer antibiotics and other medication. In the operating room, you will be given anesthesia. Once the anesthesia takes effect, your knee will be scrubbed and sterilized. Your surgery will begin with an incision over the knee to expose the joint. The surgeon then uses precision guides and special instruments to remove any damaged surfaces and shape the ends of the bones.

Dr. Rick Schram of Southwest Orthopaedic Group in Austin, Texas, with assistance from Dr. Nick Tsourmas. Unfortunately Dr. Schram is no longer in practice; he switched professions, going back to school to study law. I was 28 years old when I had my first TKR (born in 1969), and my knees were in such bad shape that there was really no question of waiting. I have rheumatoid arthritis, and there was no cartilage left in either knee.

Instead of accessing the brain through incision(s), surgeons irradiate the brain abnormality with beams of gamma radiation that pass through the skull and brain tissue and treat only the designated area.

On the day of surgery, an intravenous tube will be inserted into your arm to administer necessary medications and fluids during surgery. You will then be taken to the operating room and given anesthesia. The surgery usually takes two to four hours, depending on the condition of your hip. While you are in the operating room, a urinary catheter will be inserted. Compression stockings and pneumatic sleeves will be put on both legs.