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General Medicine · Infectious diseases: malaria
Sample itemA traveler returning from a malaria-endemic area has fever, rigors, anemia, thrombocytopenia, and confusion. What is the key diagnostic test?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Urgent malaria blood films or rapid antigen testing
Malaria must be urgently tested for in a febrile traveler from endemic areas, especially with severe features such as altered consciousness. Repeated testing may be needed when initial films are negative but suspicion remains.
Option by option
A. Routine urine dipstick only
Urine testing cannot exclude malaria.
B. Urgent malaria blood films or rapid antigen testing (correct)
Correct. Blood testing directly assesses for malaria parasites or antigen.
C. Plain abdominal radiograph
Abdominal radiography does not diagnose parasitemia.
D. Serum amylase only
Amylase evaluates pancreatic disease.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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