Anesthesia Technologist Practice Exam

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What drug is used for Total Intravenous Anesthesia (TIVA) in a patient with Malignant Hyperthermia (MH)?

Propofol
Sevoflurane
Isoflurane
Desflurane

The correct answer is: Propofol

Total Intravenous Anesthesia (TIVA) is a method that utilizes intravenous agents for anesthesia without using inhaled gases. In patients with Malignant Hyperthermia (MH), it is critical to avoid triggering agents, particularly volatile anesthetics like Sevoflurane, Isoflurane, and Desflurane, as they are known to induce MH. Propofol is an ideal choice for TIVA in patients susceptible to Malignant Hyperthermia because it does not trigger the hypermetabolic state associated with MH. Propofol is an intravenous anesthetic that provides rapid onset and quick recovery, making it suitable for both induction and maintenance of anesthesia in these patients. Additionally, it allows for precise control over the depth of anesthesia without the risks associated with inhalational agents in this particular condition. Its pharmacokinetic properties also contribute to a smoother emergence from anesthesia, making it safer for patients who have a heightened risk of complications during surgery. Therefore, Propofol is the preferred drug for TIVA in patients with Malignant Hyperthermia due to its safety profile and effectiveness.