Hypertensive emergency — very high BP with target-organ signs (chest pain, neurologic deficit, severe headache, visual change, dyspnea) — activate EMS/transfer.
Suspected stroke with elevated BP — activate the stroke pathway (route to the Neurological reference); document time last-known-well.
Symptomatic hypotension with a fall from over-treatment — hold the agent per parameters, protect from falls, and escalate.
Chest pain / acute dyspnea with hypertension — escalate/transfer per the Cardiovascular red flags.