Practice Guidelines for Preoperative Fasting

Infographic ...
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Practice Guidelines for Preoperative Fasting


Infographic by Dr. Jesse Burk-Rafel

@jbrafel


> 8 hours - Heavy foods (fried/fatty) and meats 


> 6 hours - Light meal (e.g., toast + clear liquid), Cow's milk (in moderation), Infant formula 


> 4 hours - Breast milk 


> 2 hours - Non-alcoholic clear liquids 

(e.g., water, fruit juice without 

pulp, nutritional drinks, clear 

tea, black coffee) 


0-2 hours - NPO 


Benefits of Clear Liquids up to 2 hours Pre-Op 
 - LESS patient thirst and hunger 
 - LOWER risk of aspiration 


Source: American Society of Anesthesiologists. practice Guidelines for Preoperative Fasting and 

the Use Of pharmacologic Agents to Reduce the Risk Of pulmonary Aspiration: Application to 

Healthy Patients undergoing Elective Procedures. Anesthesiology. 2017: 126376-393. 

http://anesthesiology.pubs.asahq.org/article.aspx?articleid=2596245

#NPO #Preoperative #Fasting #Guidelines #Anesthesia #Hours #Timeline #EBM #VisualAbstract #Times #Preprocedural
Contributed by

Dr. Aaron Brown
@aaronbrown
GrepMed Anesthesia Editor, UC Davis School of Medicine 2019
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