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Anaesthesia & ICU

Pre-op Fasting + ERAS

Modern fasting (clear fluids 2h, solids 6h), carbohydrate drinks, ERAS principles for elective surgery.

Source: AAGBI; ERAS Society 2019

Step 1 of ~3
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Modern Fasting Guidelines

AAGBI / ERAS: • Clear fluids (water, clear juice, black coffee/tea — NO milk): 2h pre-op. • Light meal (toast): 6h. • Heavy / fatty / meat: 8h. • Breastfed infants: 4h. • Non-clear formula: 6h. • Chewing gum + sweets: 2h. Prolonged fasting harmful — dehydration, hypoglycaemia, insulin resistance, discomfort.

Related

Curated clinical cross-links plus same-class fallbacks.

Decision support only. Always apply local guidelines and clinical judgement.