Medical Emergencies · single question

A patient begins seeing bright flashing lights during a dental appointment. There is NO chest pain and NO neurological symptoms. What is the FIRST appropriate action?

  1. Administer oxygen
  2. Administer aspirin 325 mg
  3. Administer nitroglycerin sublingual
  4. Activate emergency medical services (EMS)
Show answer and explanation

Correct answer: A. Administer oxygen

Flashing lights (visual aura) without chest pain or neurological symptoms most likely represents migraine aura. Without classic cardiac/stroke symptoms, nitroglycerin and aspirin are NOT indicated. First supportive step: oxygen and monitoring. Source confirms oxygen is the initial action; 'No dolor en ningún lugar, no síntomas como para' suggests this is NOT a cardiac event.
  • A. CORRECT. Oxygen — initial supportive measure. Flashing lights without chest pain/neuro deficits = likely migraine aura. Monitor and support.
  • B. Aspirin is for suspected MI — no chest pain, premature.
  • C. Nitroglycerin is for angina/chest pain — no chest pain here. Contraindicated.
  • D. EMS activation is appropriate if symptoms escalate to cardiac/stroke — premature for isolated visual aura.

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