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What is the initial laboratory test for symptomatic diverticulosis?

Rationale

Complete blood count and differential.

The initial laboratory test for symptomatic diverticulosis is a complete blood count (CBC) with differential. This test helps assess for signs of infection or inflammation, which are common in patients presenting with diverticulosis symptoms.

A (Basic metabolic panel and enzymes) YOUR ANSWER

The basic metabolic panel (BMP) primarily measures glucose levels, electrolytes, and kidney function. While it is essential for evaluating overall metabolic health, it does not specifically address the signs of diverticulosis or provide information on infection or inflammation that a CBC would reveal.

B (Coagulation panel) YOUR ANSWER

A coagulation panel assesses the blood's ability to clot, which is vital in managing bleeding disorders or evaluating patients before surgery. However, it does not provide relevant information regarding the presence of diverticulosis or associated complications like diverticulitis, making it inappropriate as an initial test for symptomatic diverticulosis.

C (Complete blood count and differential) CORRECT

The complete blood count (CBC) with differential is instrumental in evaluating patients for infections or inflammatory responses. In the context of symptomatic diverticulosis, an elevated white blood cell count can indicate an inflammatory process, making this test essential for diagnosis and management.

D (Blood enzyme test) YOUR ANSWER

Blood enzyme tests typically measure specific enzymes related to organ function, such as liver or cardiac enzymes. While they can provide insights into organ health, they do not directly assess gastrointestinal issues or the presence of diverticulosis, rendering them ineffective for this particular diagnosis.

Conclusion

In the evaluation of symptomatic diverticulosis, the complete blood count and differential (CBC) stands out as the most pertinent initial test. It provides critical insights into the presence of inflammation or infection, which are key considerations in managing diverticulosis. Other tests, while valuable in different contexts, fail to specifically address the clinical concerns associated with this condition.

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