Ask specifically about pain that is progressive, nocturnal, mechanical, or radiating around the trunk or down a limb. New leg heaviness, weakness, numbness, altered gait, falls, saddle sensory change, urinary retention, loss of bladder control, or fecal incontinence indicates possible cord or cauda equina involvement. Compare strength, sensation, gait, and sphincter function with baseline. A patient who reports only back pain can still be in the early phase; worsening pain plus any neurologic change requires emergency escalation and urgent spinal imaging. Clinical trajectory check Link new findings to the underlying process and the compensatory response that is succeeding or failing. Reassess objective trends such as perfusion, oxygenation, mental status, pain pattern, labs, and response to time-limited interventions so the next action reflects improvement or deterioration rather than a memorized label. Clinical trajectory check Link new findings to the underlying process and the compensatory response that is succeeding or failing. Reassess objective trends such as perfusion, oxygenation, mental status, pain pattern, labs, and response to time-limited interventions so the next action reflects improvement or deterioration rather than a memorized label. For...