Cushing's triad consists of:

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Multiple Choice

Cushing's triad consists of:

Cushing's triad signals markedly increased intracranial pressure and is made up of hypertension, bradycardia, and bradypnea (slow, irregular breathing). The option listing bradycardia, hypertension, and bradypnea matches this triad exactly, and the order doesn’t matter. The physiology behind it is the Cushing reflex: rising intracranial pressure triggers sympathetic activation to raise blood pressure in an attempt to maintain cerebral perfusion, while baroreceptors respond with bradycardia; brainstem compression then disrupts respiratory centers, leading to slowed or irregular breathing. This pattern is a warning sign of potential brain injury and requires urgent evaluation and management. Other patterns, like tachycardia with hypotension or fever or diaphoresis, do not reflect this specific response to increased intracranial pressure.

Cushing's triad signals markedly increased intracranial pressure and is made up of hypertension, bradycardia, and bradypnea (slow, irregular breathing). The option listing bradycardia, hypertension, and bradypnea matches this triad exactly, and the order doesn’t matter. The physiology behind it is the Cushing reflex: rising intracranial pressure triggers sympathetic activation to raise blood pressure in an attempt to maintain cerebral perfusion, while baroreceptors respond with bradycardia; brainstem compression then disrupts respiratory centers, leading to slowed or irregular breathing. This pattern is a warning sign of potential brain injury and requires urgent evaluation and management. Other patterns, like tachycardia with hypotension or fever or diaphoresis, do not reflect this specific response to increased intracranial pressure.

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