any of these occur:Signs of infection, such as fever and chillsNausea and vomitingPain that cannot be controlled with the medications you were givenCough, shortness of breath, or chest painLightheadednessIf you think you have an emergency, call for medical help right away.RESOURCES:American Association of Nurse Anesthetistshttp://www.aana.comAmerican Society of Anesthesiologistshttp://www.asahq.or