What is a common sign that may indicate increased intracranial pressure in a pediatric patient?

Bulging fontanels in infants is indeed a common sign that may indicate increased intracranial pressure (ICP). In infants, the fontanels, or the soft spots on the skull, are not yet fused, allowing them to expand as pressure builds within the cranial cavity. When ICP rises, the brain's swelling or other changes can push against the fontanels, causing them to bulge outward, which is an important clinical sign for healthcare providers to recognize.

Increased ICP can result from various conditions, such as infections, tumors, or traumatic injuries, making it a critical concern in pediatric neurology. Monitoring for this sign is vital, especially in very young patients who cannot communicate their symptoms.

Other options, while they may be associated with certain neurological or health conditions, are not as direct indicators of increased intracranial pressure as bulging fontanels. For instance, dilating pupils can suggest other neurological issues, and symptoms related to the common cold or tinnitus do not specifically indicate ICP. Recognizing bulging fontanels provides a clear, visible sign that healthcare professionals should assess further for possible increased intracranial pressure.