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G6PD (Glucose-6-Phosphate Dehydrogenase) Deficiency
Detailed information on g6pd deficiency, including cause, diagnosis, and treatment
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G6PD deficiency
This test finds out whether you have low levels of a particular enzyme that can cause hemolytic anemia.
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G6PDD
This test finds out whether you have low levels of a particular enzyme that can cause hemolytic anemia.
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Galactokinase deficiency disease
This test looks for enzyme activity in the red blood cells in your child’s blood. It can help diagnose galactosemia, a rare inherited disorder.
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Galactose epimerase deficiency
This test looks for enzyme activity in the red blood cells in your child’s blood. It can help diagnose galactosemia, a rare inherited disorder.
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Galactose-1-phosphate uridyl-transferase deficiency disease
This test looks for enzyme activity in the red blood cells in your child’s blood. It can help diagnose galactosemia, a rare inherited disorder.
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Galactosemia
This test looks for enzyme activity in the red blood cells in your child’s blood. It can help diagnose galactosemia, a rare inherited disorder.
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Galactosemia type I
This test looks for enzyme activity in the red blood cells in your child’s blood. It can help diagnose galactosemia, a rare inherited disorder.
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Galactosemia type II
This test looks for enzyme activity in the red blood cells in your child’s blood. It can help diagnose galactosemia, a rare inherited disorder.
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Galactosemia type III
This test looks for enzyme activity in the red blood cells in your child’s blood. It can help diagnose galactosemia, a rare inherited disorder.
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Gall Bladder Removal
A cholecystectomy is the surgical removal of the gallbladder and is performed if it develops gallstones, becomes inflamed or infected, or is cancerous.
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Gallbladder CT Scan
CT/CAT scans are more detailed than standard x-rays and are often used to assess the liver, gallbladder and bile ducts for for injuries, abnormalities, or disease.
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Gallbladder Radionuclear Scan
A gallbladder scan - also known as a liver-billiary scan - uses nuclear radiology to assess the function and structure of the gallbladder and surrounding organs.
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Gallbladder Removal
A cholecystectomy is the surgical removal of the gallbladder and is performed if it develops gallstones, becomes inflamed or infected, or is cancerous.
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Gallbladder Scan
A gallbladder scan - also known as a liver-billiary scan - uses nuclear radiology to assess the function and structure of the gallbladder and surrounding organs.
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Gamma Knife
Gamma Knife radiosurgery uses beams of highly focused gamma rays to treat small- to medium-sized lesions, usually in the brain.
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Gamma Knife Radiosurgery
Gamma Knife radiosurgery uses beams of highly focused gamma rays to treat small- to medium-sized lesions, usually in the brain.
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Gamma-glutamyl transferase
This test looks for an enzyme called gamma-glutamyl transpeptidase in your blood. The test can help find out whether you have liver damage.
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Gamma-Glutamyl Transpeptidase
This test looks for an enzyme called gamma-glutamyl transpeptidase in your blood. The test can help find out whether you have liver damage.
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Gas in the Digestive Tract
Detailed information on gas in the digestive tract, including a list of foods that cause gas, diagnosis, treatment, and prevention
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Gastric Banding Surgery
Gastric stapling (restrictive) surgery is a type of bariatric surgery (weight loss surgery) procedure in which surgical staples are used to divide the stomach into two smaller sections, strictly limiting the amount of food a person can eat.
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Gastric Banding Surgery
Gastric banding is a form of bariatric surgery. It is used to treat people with severe obesity who have trouble losing weight through diet or exercise alone.
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Gastric Banding Surgery for Teens
Gastric banding is a form of bariatric surgery. It is used to treat people with severe obesity who have trouble losing weight through diet or exercise alone.
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Gastric Bypass (Malabsorptive) Surgery Procedure
Bariatric surgery is a procedure that alters the process of digestion and is currently the best treatment option for producing lasting weight loss in obese patients when traditional methods have not been effective.
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Gastric Bypass Surgery
Bariatric surgery is a procedure that alters the process of digestion and is currently the best treatment option for producing lasting weight loss in obese patients when traditional methods have not been effective.
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Gastric Sleeve Surgery
Gastric sleeve surgery is a form of bariatric, or weight-loss, surgery. Your doctor may recommend this procedure if you have severe health problems related to obesity.
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Gastric Stapling (Restrictive) Surgery
Bariatric surgery is a procedure that alters the process of digestion and is currently the best treatment option for producing lasting weight loss in obese patients when traditional methods have not been effective.
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Gastric Stapling (Restrictive) Surgery Procedure
Gastric stapling (restrictive) surgery is a type of bariatric surgery (weight loss surgery) procedure in which surgical staples are used to divide the stomach into two smaller sections, strictly limiting the amount of food a person can eat.
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Gastric Stapling Surgery
Gastric stapling (restrictive) surgery is a type of bariatric surgery (weight loss surgery) procedure in which surgical staples are used to divide the stomach into two smaller sections, strictly limiting the amount of food a person can eat.
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Gastrin
This test measures the amount of the hormone gastrin in your blood. You may need this test if you have recurrent peptic ulcers.
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Gastritis
Detailed information on gastritis, including causes, symptoms, diagnosis, and treatment
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Gastroesophageal Reflux (GER)
Hiccups. Belching. Stomachache. Sound like a case of heartburn? It isn’t an adults-only condition. If your baby has some of these symptoms, she may have gastroesophageal reflux. If feeding changes don’t bring relief, your doctor may prescribe medications to help.
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Gastroesophageal Reflux Disease (GERD)/Heartburn
Gastroesophageal reflux is the return of acidic stomach juices, or food and fluids, back up into the esophagus.
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Gastrointestinal Conditions
Detailed information on gastrointestinal conditions in children
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Gastroparesis
Detailed information on gastroparesis, including causes, symptoms, diagnosis, and treatment
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Gastroscopy
Esophagogastroduodenoscopy (EGD) is a diagnostic procedure used to diagnose structural or functional abnormalities of the esophagus, stomach, and/or duodenum.
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Gated Cardiac Scan
During this procedure, a small amount of radioactive substance is injected into the vein. Its progress through the heart is then traced with a special camera to evaluate heart function. Doing this during rest and exercise assists the physician in comparing the differences in heart activity.
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Gaucher Disease
Gaucher disease is an inherited metabolic disorder known as a lipid storage disease. When you have gaucher disease, you’re missing an enzyme needed to break down lipids normally.
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GC
This test looks for the bacteria that cause gonorrhea, a sexually transmitted disease.
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Gene Mutation for Cystic Fibrosis in Newborns (Blood)
This test looks for cystic fibrosis in newborn babies. People with CF tend to develop chronic lung disease and are at risk for lung infections.
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General Anesthesia
During surgery, you will be given some form of anesthesia—medication administered for the relief of pain and sensation during surgery. The type and dosage of anesthesia is determined by the anesthesiologist.
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General Information About Breast Cancer
Ductal carcinoma, lobular carcinoma, and Paget's disease are several types of breast cancer.
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General Information About Cancer: Overview
Detailed information on cancer, including cancer diagnosis, cancer staging, cancer grading, cancer treatment, cancer surgery, radiation therapy, chemotherapy, hormone therapy, immunotherapy, biological therapy, and cancer clinical trials
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Generalized Anxiety Disorder in Children and Adolescents
Children or teens with generalized anxiety disorder often worry a lot about future events, past behaviors, social acceptance, and school performance.
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Generalized Exfoliative Dermatitis
Detailed information on generalized exfoliative dermatitis, including symptoms, causes, and treatment
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Genetic Disorders, Peutz-Jeghers Syndrome
People with this syndrome have dark moles around the mouth, nose, and eyes, as well as multiple polyps in the intestines.
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Genetic test for cystic fibrosis
This test looks for cystic fibrosis in newborn babies. People with CF tend to develop chronic lung disease and are at risk for lung infections.
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Genetic testing
This test looks for changes, or abnormalities, in the chromosomes that make up your body’s DNA, or genetic road map.
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Genetic testing for Angelman syndrome
This test is used to see if a child has certain chromosome changes.
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Genetic testing for Prader-Willi syndrome
This test is used to see if a child has certain chromosome changes.
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Genetics and Immune Disorders
Severe immune disorders may be obvious right after birth. Other immune disorders may cause only mild symptoms and may not be noticed until later in childhood or early adulthood.
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Genetics of Breast Cancer
Detailed information on the genetics of breast cancer, including information on hereditary breast ovarian cancer syndrome, brca1, brca2, Peutz-Jeghers syndrome, Li-Fraumeni syndrome, Cowden syndrome, and ataxia telangiectasia
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Genetics of Ovarian Cancer
Detailed information on the genetics of ovarian cancer, including hereditary breast ovarian cancer syndrome, Peutz-Jeghers syndrome, ovarian cancer and hereditary nonpolyposis colon cancer, and basal cell nevus syndrome (Gorlin syndrome)
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Genitourinary Conditions
Detailed information on genital and urinary conditions in children
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Genotypic resistance assay
This blood test looks at the genetic makeup of a strain of HIV, the virus that causes AIDS. The test can be useful in planning your treatment for HIV.
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Germ Cell Tumors
Detailed information on germ cell tumors, including causes, types, symptoms, diagnosis, and treatment
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German measles
This test measures the amount of rubella antibodies in your blood. If you're pregnant, it's especially important to know if you have immunity against this virus.
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German measles antibody
This test looks for antibodies to three diseases: measles, mumps, and rubella.
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Gestational Hypertension
Pregnancy-induced hypertension is also called toxemia or preeclampsia. It occurs most often in young women with a first pregnancy.
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Getting Started
The first weeks of breastfeeding should be considered a learning period for both you and your baby. Don't expect to work as a coordinated team immediately.
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GFR
This test looks for changes in how well your kidneys are working. This is especially important if you have diabetes or high blood pressure.
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GGT
This test looks for an enzyme called gamma-glutamyl transpeptidase in your blood. The test can help find out whether you have liver damage.
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GGTP
This test looks for an enzyme called gamma-glutamyl transpeptidase in your blood. The test can help find out whether you have liver damage.
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GH
This test measures the level of growth hormone in your blood. Too much of this hormone may mean you have a tumor in your pituitary gland.
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GH
This test measures the level of growth hormone in your blood by stimulating hormone production.
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GHD
This test measures the level of growth hormone in your blood by stimulating hormone production.
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GHRH
This test measures the level of growth hormone in your blood by stimulating hormone production.
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GI Series
An upper gastrointestinal series (UGI) is an x-ray examination of the upper gastrointestinal (GI) tract, including the esophagus, stomach, and duodenum.
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GI Series, Upper
An upper gastrointestinal series (UGI) is an x-ray examination of the upper gastrointestinal (GI) tract, including the esophagus, stomach, and duodenum.
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Giant Cell Tumor
Giant cell tumors most often appear in the knee, but they can also involve the bones of the arms and the legs, or the flat bones such as the breastbone or pelvis.
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Giardia Antigen (Stool)
This is a stool sample test to look for the parasite Giardia intestinalis, which causes an infection of the small bowel called giardiasis or travelers’ diarrhea.
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Giardiasis
Detailed information on giardiasis, including causes, symptoms, diagnosis, treatment, and prevention
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Glaucoma
Glaucoma is a condition in which the normal fluid pressure inside the eyes slowly rises because the fluid aqueous humor is not able to drain properly. This pressure damages the optic nerve.
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Glomerular Filtration Rate
This test looks for changes in how well your kidneys are working. This is especially important if you have diabetes or high blood pressure.
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Glomerulonephritis
Detailed information on glomerulonephritis, including causes, symptoms, diagnosis, and treatment
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Glomerulonephritis in Children
Detailed information on glomerulonephritis, including causes, symptoms, diagnosis, and treatment
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Glomerulosclerosis
Detailed information on glomerulosclerosis, including causes, symptoms, diagnosis, and treatment
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Glucagon
This test measures the level of growth hormone in your blood by stimulating hormone production.
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Glucose (Blood)
A blood glucose test tells you whether your level of glucose is within a healthy range. Fasting plasma glucose is a common test for diagnosing diabetes.
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Glucose (CSF)
This test measures the amount of glucose in the fluid that surrounds your brain and spinal cord. If you have a serious infection, your glucose level may be lower than normal.
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Glucose (Urine)
This test is used to indirectly find out if your levels of glucose – blood sugar – are within a healthy range. It's used to monitor both type 1 and type 2 diabetes.
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Glucose Monitoring
You can monitor your blood sugar at home with one of a variety of devices that use a small sample of blood.
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Glucose Tolerance
This test is used to screen for prediabetes or diabetes. For the test, you drink a sweet beverage and then have your blood drawn several times over the next few hours.
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Glucose, postprandial
This blood test checks for diabetes. It is done after you eat a meal, so your doctor can see how your body responds to the sugar and starch in the food.
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Glucose, two-hour postprandial
This blood test checks for diabetes. It is done after you eat a meal, so your doctor can see how your body responds to the sugar and starch in the food.
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Glucose-6-Phosphate Dehydrogenase
This test finds out whether you have low levels of a particular enzyme that can cause hemolytic anemia.
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Glucose-6-Phosphate Dehydrogenase deficiency
This test finds out whether you have low levels of a particular enzyme that can cause hemolytic anemia.
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Glycogen Storage Disease
Glycogen storage disease is an inherited condition that changes the way your body uses glycogen, a form of glucose, or sugar.
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Glycoprotein antigen
This test looks for the protein CA 125 in your blood. CA 125 is higher in many women with ovarian cancer.
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Gonadotropin-Independent Precocious Puberty
Detailed information on gonadotropin-independent precocious puberty, including causes, symptoms, diagnosis, and treatment
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Gonorrhea (Urine)
This test looks at your urine to find out whether you are infected with gonorrhea, a common sexually transmitted disease.
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Gonorrhea Culture (Discharge)
This test looks for the bacteria that cause gonorrhea, a sexually transmitted disease.
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Gonorrhea Culture (DNA Probe)
This test looks for DNA of gonorrhea bacteria in a sample of bodily fluid. It can distinguish between an infection caused by gonorrhea and one caused by chlamydia.
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Goodpasture Syndrome
Detailed information on Goodpasture syndrome, including causes, symptoms, diagnosis, and treatment
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Gout
Gout is marked by inflamed, painful joints because of the formation of crystal deposits in them.
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Grading and Staging of Cancer
Grading and staging cancer helps determine the best treatment.
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Grading of Prostate Cancer
The cancer grading system is based on a number range. The lower the number, the lower the grade, and the slower the cancer is growing.
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Gram Stain
This test finds out whether you have a bacterial infection. The test can be used on various bodily fluids, such as blood and urine.
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Gram stain procedure
This test finds out whether you have a bacterial infection. The test can be used on various bodily fluids, such as blood and urine.
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Granuloma Annulare
Detailed information on granuloma annulare, including symptoms, diagnosis, and treatment
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Grief and Bereavement
The process of grieving is often long and painful for parents, siblings, relatives, friends, peers, teachers, neighbors, and anyone that understands the loss of a child.
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Group B strep screen
This test looks for group B streptococcus (GBS) bacteria in a culture sample either from your urine or from secretions in your vagina and rectum.
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Growth Hormone (Blood)
This test measures the amount of growth hormone in your blood. This hormone affects height, bone, and muscle growth in children. It affects how adults feel and look, as well as their bone and muscle health.
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Growth Hormone Antibody
This test looks for growth hormone (GH) antibodies in your blood. These antibodies may mean that your growth treatment may not be working.
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Growth Hormone Deficiency
Detailed information on growth hormone deficiency, including causes, symptoms, diagnosis, and treatment
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Growth hormone neutralizing antibodies
This test looks for growth hormone (GH) antibodies in your blood. These antibodies may mean that your growth treatment may not be working.
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Growth Hormone with Stimulation (Blood)
This test measures the level of growth hormone in your blood by stimulating hormone production.
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Growth Hormone with Suppression (Blood)
This test measures the level of growth hormone in your blood. Too much of this hormone may mean you have a tumor in your pituitary gland.
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Growth Problems
Detailed information on growth problems, including causes, symptoms, diagnosis, and treatment
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Growth-hormone-releasing hormone
This test measures the level of growth hormone in your blood by stimulating hormone production.
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Guillain-Barré Syndrome
Guillain-Barré syndrome is a neurological disorder in which the body's immune system attacks part of the peripheral nervous system. The disorder usually occurs a few days or weeks after a person has had symptoms of a respiratory or gastrointestinal viral infection.
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Guillain-Barre Syndrome in Children
Guillain-Barré syndrome is a neurological disorder in which a child's immune system attacks part of the peripheral nervous system. The disorder usually occurs a few days or weeks after the child has had symptoms of a respiratory or gastrointestinal viral infection.
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Guthrie assay
This test checks newborns for PKU, a condition that can cause brain damage and severe intellectual disability if untreated.
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Gynecologic Inflammations and Infections
Detailed information on the most common gynecological inflammations and infections, including vulvitis, vaginitis, cervicitis, and pelvic inflammatory disease
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Gynecologic Ultrasound
Ultrasound, or sound wave technology, is used to examine the organs and structures in the female pelvis.
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Gynecological Anatomy
Detailed anatomical description of the female pelvis, including simple definitions and labeled, full-color illustrations
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Gynecological Cancers
Detailed information on the most common types of gynecological cancers, including symptoms, risk factors, diagnosis, and treatment
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Gynecological Infections
Detailed information on gynecological problems in a child
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Gynecological Inflammations and Infections
Detailed information on the most common gynecological inflammations and infections, including vulvitis, vaginitis, cervicitis, and pelvic inflammatory disease
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