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Infection Control · single question

A patient with MI 6 months ago presents for dental care. What is their ASA physical status classification?

  1. ASA III
  2. ASA I
  3. ASA II
  4. ASA IV
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Correct answer: D. ASA IV

  • A. ASA III applies to MI OLDER than 6 months. A recent MI (≤6 months) = ASA IV.
  • B. ASA I is a completely healthy patient with no systemic disease.
  • C. ASA II describes a mild, well-controlled systemic condition.
  • D. Correct. An MI occurring within the LAST 6 MONTHS is classified as ASA IV (severe systemic disease that is a constant threat to life). The 6-month mark is the critical threshold: MI ≤6 months ago = ASA IV (high risk); MI >6 months ago = ASA III. The 6-month question (vs the WLF/BT 8-month case) is a different scenario.

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