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Multiple Choice Answers

1. Concerning gastric emptying: (a) False; (b) True; (c) False; (d) False; (e) False (a) Gastric emptying is a surrogate end-point. (c) Liquid emptying is an exponential process. (d) pH < 2.5 is common. (e) Opioids delay gastric emptying. ischaemic heart disease or ventricular dysfunction regardless of age, including haemodynamically unstable, acutely ill or intubated patients (class III agent sotalol should be avoided in patients with ventricular hypertrophy). Amiodarone is relatively safer and is the drug of choice in such patients. Risk of proarrhythmia from antiarrhythmic agents also increases in the presence of electrolyte disturbances and renal impairment. 2. Concerning pre-operative fasting: (a) False; (b) False; (c) True; (d) False; (e) False (a) Gastric volumes after fasting for 2 h are no greater than after fasting from midnight. (b) 4 h for breast milk, 6 h for formula. (d) Pain of labour and opioids delay gastric empting, but not pregnancy per se. (e) Chewing gum is not allowed on the day of surgery. 7. The following statement about post-operative AF is correct: (a) False; (b) True; (c) False; (d) False (a) Post-operative AF following cardiothoracic surgery is a major problem, occurring in approximately 33% of patients after coronary http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Continuing Education in Anaesthesia, Critical Care & Pain Oxford University Press

Multiple Choice Answers

Abstract

1. Concerning gastric emptying: (a) False; (b) True; (c) False; (d) False; (e) False (a) Gastric emptying is a surrogate end-point. (c) Liquid emptying is an exponential process. (d) pH < 2.5 is common. (e) Opioids delay gastric emptying. ischaemic heart disease or ventricular dysfunction regardless of age, including haemodynamically unstable, acutely ill or intubated patients (class III agent sotalol should be avoided in patients with ventricular hypertrophy). Amiodarone is relatively safer and is the drug of choice in such patients. Risk of proarrhythmia from antiarrhythmic agents also increases in the presence of electrolyte disturbances and renal impairment. 2. Concerning pre-operative fasting: (a) False; (b) False; (c) True; (d) False; (e) False (a) Gastric volumes after fasting for 2 h are no greater than after fasting from midnight. (b) 4 h for breast milk, 6 h for formula. (d) Pain of labour and opioids delay gastric empting, but not pregnancy per se. (e) Chewing gum is not allowed on the day of surgery. 7. The following statement about post-operative AF is correct: (a) False; (b) True; (c) False; (d) False (a) Post-operative AF following cardiothoracic surgery is a major problem, occurring in approximately 33% of patients after coronary
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