<p><strong>What Is Diarrhea? </strong></p>
<p>Acute diarrhea—the passage of frequent, loose, or watery stools—is not a disease itself but rather a symptom of an underlying disorder.</p>
<p>As food passes through the digestive system, its water content is normally absorbed through the wall of the large intestine. Diarrhea—and, at times, dehydration—results when fluid is not absorbed but remains in and is expelled with the fecal matter.</p>
<p>Although diarrhea usually subsides without treatment within two or three days, resulting dehydration can be serious and often requires prompt treatment.</p>
<p><strong>Who Gets Diarrhea? </strong></p>
<p>In more than 90 percent of cases, acute diarrhea is caused by infectious agents (e.g., viruses, bacteria, parasites) that are ingested in food and water. ...
Definition Campylobacter serology test is a blood test to look for antibodies to a bacteria called campylobacter. How the test is performed Blood is drawn from a vein, usually from the inside of the elbow or the back of the hand. The site is cleaned with germ-killing medicine (antiseptic). The health care provider wraps an elastic band around the upper arm to apply pressure to the area and make the vein swell with blood. Next, the health care provider gently inserts a needle into the vein. The blood collects into an airtight vial or tube attached to the needle. The elastic band is removed from your arm. Once the blood has been collected, the needle is removed, and the puncture site is covered to stop any bleeding. In infants or young children, a sharp tool called a lancet may be used to puncture the skin and make it bleed. The blood collects into a small glass tube called a pipette, or onto a slide or test strip. A bandage may be placed over the area if there is any bleeding. The sample is s...
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