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ARISCAT (Pulmonary Risk)ASA Physical StatusAldrete Score (Recovery)Apfel Score (PONV Risk)Bromage ScaleChild-Pugh Score (Liver)Cormack-Lehane GradingGupta MICA (Cardiac Risk)Mallampati ClassificationNPO Fasting GuidelinesRCRI (Lee Score)STOP-BANG (Sleep Apnea)

NPO Fasting Guidelines

NPO Fasting Guidelines: Pre-operative fasting recommendations per ASA standards to reduce aspiration risk.

Recommended NPO Duration

2 hours

Examples: Water, black coffee (no cream), tea, clear broth, sports drinks, apple juice

Important Considerations:

  • Start fasting from midnight for morning surgeries
  • Follow your specific surgeon/anesthesiologist instructions
  • Some medications with sips of water may be permitted
  • Pregnant patients: 8 hrs solid, 2 hrs clear liquids
  • Confirm NPO status before procedures
No clinical reference data available.