Melissa Conrad Stöppler, MD, is a U.S. board-certified Anatomic Pathologist with subspecialty training in the fields of Experimental and Molecular Pathology. Dr. Stöppler's educational background includes a BA with Highest Distinction from the University of Virginia and an MD from the University of North Carolina. She completed residency training in Anatomic Pathology at Georgetown University followed by subspecialty fellowship training in molecular diagnostics and experimental pathology.
Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.
Rotavirus infection is highly contagious. The primary
mode of transmission of
rotavirus is the passage of the virus in stool to the mouth of
another child. This is known as a fecal-oral route of transmission. Children can
transmit the virus when they forget to wash their hands before eating or after using the toilet. Touching a surface that has been contaminated with rotavirus
and then touching the mouth area can result in infection.
There also have been
cases of low levels of rotavirus in respiratory-tract secretions and other body
fluids. Because the virus is stable (remains infective) in the environment,
transmission can occur through ingestion of contaminated water or food and
contact with contaminated surfaces. Rotavirus can survive for days on hard and
dry surfaces, and it can live for hours on human hands.
How is rotavirus diagnosed?
The diagnosis may be made by rapid detection of
rotavirus in stool specimens. Strains of rotavirus may be further characterized
by special testing with enzyme
immunoassay or polymerase chain reaction, but such testing is not commonly
available or necessary.
How is rotavirus treated?
There is no specific treatment for rotavirus. For
people with healthy immune systems, rotavirus infection of the bowel
(gastroenteritis) is a self-limited illness, lasting for only a few days. The
treatment consists of increased fluid intake (oral rehydration) to prevent dehydration. About one in 40 children with
rotavirus infection of the bowel requires hospitalization for intravenous fluid.
Abdominal pain is pain in the belly and can be acute or chronic. Causes include inflammation, distention of an organ, and loss of the blood supply to an organ. Abdominal pain can reflect a major problem with one of the organs in the abdomen such as the appendix, gallbladder, large and small intestine, pancreas, liver, colon, duodenum, and spleen.
Gastroenteritis (viral gastroenteritis, stomach flu) is an infection caused by a variety of viruses that results in vomiting and/or diarrhea. Even though it is often called the "stomach flu," it is not caused by the influenza viruses. Viruses that can cause gastroenteritis (stomach flu) include: rotaviruses, adenoviruses, caliciviruses, astroviruses, Norwalk virus, and a group of Noroviruses. Gastroenteritis is not caused by bacteria. The main symptoms of gastroenteritis include vomiting and watery diarrhea, however, headache, fever, and abdominal cramps (stomach ache) may also be present.
Diarrhea is a change is the frequency and looseness of bowel movements. Cramping, abdominal pain, and the sensation of rectal urgency are all symptoms of diarrhea. Absorbents and anti-motility medications are used to treat diarrhea.
Dehydration is the excessive loss of body water. There are a number of causes of dehydration including heat exposure, prolonged vigorous exercise, and some diseases of the gastrointestinal tract. The best way to treat dehydration is to prevent it from occurring.
Intussusception is the telescoping (prolapse) of a portion of the intestine within another immediately adjacent portion of intestine. Intussusception affects children between the ages of 3 months and 6 years of age. The causes of intussusception is not clearly understood. Symptoms of intussusception include bilious vomiting, "currant jelly stool," and colicky abdominal pain. Intussusception is an emergency requires immediate attention.
Reye's syndrome (RS, or Reye syndrome) is a sudden, sometimes fatal, disease of the brain with degeneration of the liver. Reye syndrome occurs in children and comes after the chickenpox or an influenza-type illness, is also associated with taking medications containing aspirin. Symptoms include vomiting, listlessness, irritability or combativeness, confusion, delirium, delusions, convulsions, and loss of consciousness. Treatment depends on early diagnosis and focuses on protecting the brain against irreversible damage by reducing brain swelling, reversing the metabolic injury, preventing complications in the lungs, and anticipating cardiac arrest.
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