Purpose: The physiology, risk factors, and prevention and treatment of postoperative nausea and vomiting (PONV) are discussed. Summary: Factors to consider when determining a patient's risk for ...

Nausea and vomiting consists of 3 stages: nausea, retching, and vomiting. Nausea is the subjective feeling of a need to vomit. [3] Autonomic symptoms such as pallor, tachycardia, diaphoresis ...