Diagnosis in the 21st Century
    Diagnosis in the 21st Century

    Back in 1995, a man died tragically when he was only 42 years old. The official diagnosis was liver failure from alcoholic cirrhosis. No autopsy was done. The body was cremated. No clues remained. End…

    What is a UA test?
    What is a UA test?

    Dr. Greene's Answer: The UA is a urinalysis. Many aspects of the urine are tested. On a school form, the normal result would be 'negative' or 'normal'. We check the urine as a screening test to look f…

    Child Blood Pressure
    Child Blood Pressure

    Dr. Greene's Answer: Boys generally have higher normal blood pressures than girls of the same age. Taller children have higher normal blood pressures than shorter children of the same age. For an aver…

    Reflux Tests

    Dr. Greene's Answer: A barium swallow or an Upper GI x-ray can make the diagnosis of reflux -- if the child happens to reflux during the snapshot. A ragged esophageal lining is sometimes seen between …

    Determining Paternity

    Dr. Greene's Answer: Determining paternity is now possibleeven before a baby is born. This is done by comparing DNA molecules -- our genetic blueprints. To do this you need a blood sample from both t…

    Gastric Outlet Obstruction

    Dr. Greene's Answer: With my first child I had to change shirts several times a day, he spit up so often. For kids who spit up, the average time to outgrow messy episodes is 7 months. I'm glad your da…

    Bee Venom Allergy Tests
    Bee Venom Allergy Tests

    Dr. Greene's Answer: Two types of tests can help predict whether someone will have a bee venom allergy to future bee stings. Neither test is perfect, but each can be useful as a supplement to the othe…

    PKU Test Results -- What's normal?
    PKU Test Results — What’s normal?

    Dr. Greene's Answer: The PKU test is a screening test for PHENYLKETONURIA (PKU). The normal values of the test depend entirely on the laboratory where the test is run, and the methods and units used. …

    Emergency Medical Test for Appendicitis
    Emergency Medical Test for Appendicitis

    Your child is doubled over in pain. Concern has brought you both to the Emergency Room, but after initial evaluation, the situation still isn't clear. Is this appendicitis or not? An exciting report i…

    Fast Facts about Rotaviruses
    Fast Facts about Rotaviruses

    Rotaviruses are the leading cause of both routine vomiting and diarrheal illnesses and of severe, life-threatening diarrhea in every country in the world. Click here to read more about rotaviruses. (m…

    Fast Facts about Pertussis
    Fast Facts about Pertussis

    Pertussis is commonly known as whooping cough. Pertussis is caused by bacteria that attach themselves to the cilia (little hairs) that line the respiratory tract. These bacteria produce a potent toxin…

    Cat-Scratch Disease
    Cat-Scratch Disease

    Dr. Greene's Answer: The uncovering of the cause of cat-scratch fever (now called cat-scratch disease) has been one of the great mystery stories of modern medicine. The hallmarks of cat-scratch diseas…

    Fast Facts about Trisomy 13
    Fast Facts about Trisomy 13

    Trisomy 13 (also called Patau Syndrome) occurs in up to 1 out of 5,000 newborns (Smith's Recognizable Patterns of Human Malformation, Saunders 1988). (more…)…

    Making Blood Draws Easier for Kids
    Making Blood Draws Easier for Kids

    Dr. Greene's Answer: The amount of information that can be gleaned from a small amount of blood is truly amazing. This information can literally make the difference between life and death. Unfortunate…

    Fast Facts about Group A Strep
    Fast Facts about Group A Strep

    More than 100 different types of Group A Strep have been identified. (more…)…

    Fast Facts about RSV
    Fast Facts about RSV

    RSV, or Respiratory Syncytial Virus, is the most important respiratory organism of early childhood. RSV occurs throughout the world, and in each location it tends to occur in yearly winter outbreaks. …