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Fever in a head injury patient can lead to tachycardia as part of the body's systemic response to infection or inflammation. Increased body temperature raises metabolic demands, prompting the heart to pump more blood to meet the needs of tissues. Additionally, the release of stress hormones, such as adrenaline, in response to both fever and injury can further increase heart rate. This combination of factors contributes to the observed tachycardia.

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3w ago

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