A 55-year-old man presents to the clinic with a 3-month history of fatigue and pallor. Examination reveals pallor but no organomegaly. Which of the following is the most appropriat... A 55-year-old man presents to the clinic with a 3-month history of fatigue and pallor. Examination reveals pallor but no organomegaly. Which of the following is the most appropriate test to order next?
Understand the Problem
The question presents a clinical scenario about a 55-year-old man with symptoms of fatigue and pallor. It asks which diagnostic test should be ordered next from the given options.
Answer
Fecal occult blood (FOB)
The final answer is B. Fecal occult blood (FOB).
Answer for screen readers
The final answer is B. Fecal occult blood (FOB).
More Information
In cases of fatigue and pallor without organomegaly, a fecal occult blood test is useful to check for gastrointestinal bleeding, a common cause of anemia.
Tips
A common mistake is to immediately opt for invasive procedures like a bone marrow biopsy without ruling out more common causes such as GI bleeding.
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