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 Best of Five 222

 

   

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BOF: 222

A 40 year old female returns from a holiday and presents to you with fever, headache, anorexia and constipation.

She admits to having partaken of food and water from sources, which were of questionable hygienic standards. She also admits to heavy alcohol consumption of over 35 units per week over several years.

On examination she is febrile, temperature of 38.7C.  She has faint salmon pink blanching, macules on her chest and abdomen. Her pulse rate is 68 beats per minute. The spleen is just palpable and is soft.

In this patient you arrange for blood cultures and a Widal test. In the interpretation of the Widal test which of the following is true?

a)      Paired specimens taken one week apart should show a twofold rise

b)      It is highly sensitive

c)      It is highly specific

d)      False positive tests occur in cirrhosis of the liver

e)      Paired specimens taken two weeks apart show a twofold rise

 

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