A patient comes to the clinic reporting dizziness and fatigue associated with nausea and vomiting. The primary care NP suspects anemia and orders a complete blood count. The patient's hemoglobin is elevated
The NP correctly concludes that the patient is not anemic. The NP has made an error in: a. context formulation.
b. inappropriate knowledge base.
c. cost-versus-benefit analysis.
d. hypothesis triggering and information processing.
D
Faulty hypothesis triggering occurs when the clinician fails to consider appropriate initial hypotheses. The patient had nausea and vomiting, which can cause dehydration, leading to orthostatic hypotension and dizziness. The NP made an assumption that the dizziness was caused by anemia and ordered a complete blood count. Faulty information gathering occurs when clinicians fail to order appropriate tests. An error in context formulation occurs when clinicians and patients have different goals. Errors in knowledge base would occur if the practitioner did not perform a complete history and physical, missing important information. An error in cost-versus-benefit analysis could occur if the clinician ordered expensive tests that were not necessary for diagnosis and treatment.
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