Answer :
Final answer:
The initial test for confirmation of a case like Giant Cell Arteritis should be an Erythrocyte Sedimentation Rate (ESR). It is used to detect inflammation in the body. However, the most accurate test for this condition is Temporal Artery Biopsy.
Explanation:
Based on the patient's symptoms and the details provided, the suspected condition may potentially be Giant Cell Arteritis (Temporal Arteritis). This condition causes inflammation of the arterial walls, predominantly affecting the temporal arteries, which can result in headaches and tenderness around the temporal area. As per the options given, the best preliminary test for confirming this would be an Erythrocyte Sedimentation Rate (ESR) because it would indicate inflammation in the body. Here, an elevated ESR would suggest the presence of an inflammatory condition like Giant Cell Arteritis. Nevertheless, the most accurate diagnostic test for Giant Cell Arteritis is a Temporal Artery Biopsy. However, it is an invasive procedure and is generally performed when initial tests suggest the possibility of this condition.
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