References Berk PD, Korenblat KM. Approach to the patient with jaundice or abnormal liver test results. In: Goldman L, Ausiello D, eds. Cecil Medicine . 23rd ed. Philadelphia, Pa: Saunders Elsevier;2007:chap 150.
Paleness is an abnormal loss of color from normal skin or mucous membranes .
Skin - pale or gray; Pallor
Unless pale skin is accompanied by pale lips, tongue, palms of the hands, inside of the mouth, and lining of the eyes, it is probably not a serious condition, and does not require treatment.
General paleness affects the entire body, and is most easily seen on the face, lining of the eyes, inner mouth, and nails. Local paleness usually affects a single limb.
How easily paleness is diagnosed varies with skin color, and the thickness and amount of blood vessels in the tissue under the skin. Sometimes it is only a subtle lightening of skin color. Paleness may be very difficult to detect in a dark-skinned person -- sometimes it is apparent only in the eye and mouth lining.
Paleness may be the result of decreased blood supply to the skin (cold, fainting , shock , hypoglycemia ) or decreased number of red bl...
Definition A stool Gram stain is a laboratory test that uses different stains to detect and identify bacteria in a stool sample. The Gram stain method is sometimes used to rapidly diagnose bacterial infections. Alternative Names Gram stain of stool; Feces Gram stain How the test is performed You will need to collect a stool sample. There are many ways to collect a sample. You can catch the stool on plastic wrap that is loosely placed over the toilet bowl and held in place by the toilet seat, and then place the sample in a clean container. (One test kit supplies a special toilet tissue that you use to collect the sample.) Do not take stool samples from the toilet bowl water, because this can cause errors. If you need to collect a sample from a child still in diapers, line the diaper with plastic wrap. Position the plastic wrap so that it keeps the stool from any urine. Mixing of urine and stool can spoil a good sample. Your health care provider will give you instructions on when and how to retu...
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