What is the most important nursing tool in diagnosing a cluster headache?

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The patient history is the most important nursing tool in diagnosing a cluster headache. Cluster headache is a clinical diagnosis, which means it is diagnosed based on the signs, symptoms, and medical history of the patient. Imaging studies such as MRI and CT scans may be done to rule out other possible causes of the headache, but they are not the primary tool for diagnosing cluster headaches. Electromyography is a test used to evaluate muscle and nerve function and is not directly related to diagnosing a cluster headache.

What Is the Most Important Nursing Tool in Diagnosing a Cluster