Which of the following is a sign of increasing intracranial pressure (ICP)?

A severe headache is a classic sign of increasing intracranial pressure (ICP). This symptom arises due to the heightened pressure on the structures within the skull, which can stimulate pain receptors and lead to discomfort or pain that can be oppressive in nature. As intracranial pressure rises, it can cause headaches that are often described as throbbing or aggravated by movements like coughing or bending over.

Headaches associated with increased ICP may also be accompanied by other symptoms such as nausea, vomiting, visual disturbances, or changes in consciousness, which can further provide indications of the patient's neurological status. Recognizing severe headaches as a symptom of increased ICP allows paramedics to take appropriate steps in assessment and management, prioritizing patient safety and the need for immediate medical intervention.

While other options may involve neurological changes or physical symptoms, they are not as directly indicative of rising ICP as a severe headache. For instance, absence of reflexes can indicate significant neurological impairment but is not specifically tied to ICP. Persistent coughing can occur for various reasons and, while it may relate to ICP if it is a symptom of increased pressure on the brain, it is not as definitive. High blood sugar levels, while indicative of metabolic upset, do not correlate directly with ICP. Understanding these distinctions