Podcast
Questions and Answers
Which type of inhaled anesthetic is preferred for inhalation induction due to its low pungency and low blood:gas solubility?
Which type of inhaled anesthetic is preferred for inhalation induction due to its low pungency and low blood:gas solubility?
What effect do all volatile anesthetics have on blood pressure?
What effect do all volatile anesthetics have on blood pressure?
What cascade of events do volatile anesthetics trigger, similar to a brief ischemic period?
What cascade of events do volatile anesthetics trigger, similar to a brief ischemic period?
Which factor can affect the MAC of inhaled anesthetics?
Which factor can affect the MAC of inhaled anesthetics?
Signup and view all the answers
What is needed for the delivery of the desired concentration of desflurane due to its low boiling point?
What is needed for the delivery of the desired concentration of desflurane due to its low boiling point?
Signup and view all the answers
Which inhaled agents will trigger Malignant Hyperthermia (MH) in a susceptible patient?
Which inhaled agents will trigger Malignant Hyperthermia (MH) in a susceptible patient?
Signup and view all the answers
What effect do volatile anesthetics have on evoked potential monitoring?
What effect do volatile anesthetics have on evoked potential monitoring?
Signup and view all the answers
What impact do volatile anesthetics have on cerebral blood flow and CMRO2?
What impact do volatile anesthetics have on cerebral blood flow and CMRO2?
Signup and view all the answers
Which of the following is NOT a factor that increases MAC?
Which of the following is NOT a factor that increases MAC?
Signup and view all the answers
What is the approximate percentage decrease in MAC per decade from 1 year of age onward?
What is the approximate percentage decrease in MAC per decade from 1 year of age onward?
Signup and view all the answers
Which volatile agent produces the least airway irritation?
Which volatile agent produces the least airway irritation?
Signup and view all the answers
What is the characteristic of MAC-awake?
What is the characteristic of MAC-awake?
Signup and view all the answers
Which factor does NOT change MAC according to the text?
Which factor does NOT change MAC according to the text?
Signup and view all the answers
Which volatile agent has varying effects on autoregulation?
Which volatile agent has varying effects on autoregulation?
Signup and view all the answers
What is the effect of Sevoflurane on CSF resorption?
What is the effect of Sevoflurane on CSF resorption?
Signup and view all the answers
What is the characteristic of MAC-BAR?
What is the characteristic of MAC-BAR?
Signup and view all the answers
Which volatile anesthetic has the highest blood:gas partition coefficient among the currently available ones?
Which volatile anesthetic has the highest blood:gas partition coefficient among the currently available ones?
Signup and view all the answers
What is a unique property of halothane compared to the other volatile agents?
What is a unique property of halothane compared to the other volatile agents?
Signup and view all the answers
Which volatile anesthetic is known for its extremely rare incidence of immune-mediated hepatitis?
Which volatile anesthetic is known for its extremely rare incidence of immune-mediated hepatitis?
Signup and view all the answers
Among the volatile agents, which one has the lowest blood:gas partition coefficient?
Among the volatile agents, which one has the lowest blood:gas partition coefficient?
Signup and view all the answers
Which volatile anesthetic produces a dose-dependent decrease in uterine smooth muscle tone?
Which volatile anesthetic produces a dose-dependent decrease in uterine smooth muscle tone?
Signup and view all the answers
What is a unique adverse effect associated with desflurane among the volatile anesthetics?
What is a unique adverse effect associated with desflurane among the volatile anesthetics?
Signup and view all the answers
Which volatile agent has been linked to dose-dependent nephrotoxicity in rats but appears safe in humans?
Which volatile agent has been linked to dose-dependent nephrotoxicity in rats but appears safe in humans?
Signup and view all the answers
What is the approximate percentage change in cerebral blood flow for each 1mmHg change in pCO2?
What is the approximate percentage change in cerebral blood flow for each 1mmHg change in pCO2?
Signup and view all the answers
How does hypocapnia affect the increase in cerebral blood flow seen with volatile agents?
How does hypocapnia affect the increase in cerebral blood flow seen with volatile agents?
Signup and view all the answers
Why is hypocapnia contraindicated in traumatic brain injury (TBI)?
Why is hypocapnia contraindicated in traumatic brain injury (TBI)?
Signup and view all the answers
In the context of focal cerebral injury following incomplete ischemia, what is likely to be minimally different between isoflurane and thiopental when blood pressure is maintained?
In the context of focal cerebral injury following incomplete ischemia, what is likely to be minimally different between isoflurane and thiopental when blood pressure is maintained?
Signup and view all the answers
What contributes to the improvement in cerebral tissue oxygenation when anesthetic agents are used to lower blood pressure?
What contributes to the improvement in cerebral tissue oxygenation when anesthetic agents are used to lower blood pressure?
Signup and view all the answers
What is postoperative cognitive dysfunction characterized by?
What is postoperative cognitive dysfunction characterized by?
Signup and view all the answers
What does Barash suggest about the use of volatile agents compared to sedative-hypnotics in improving cerebral tissue oxygenation?
What does Barash suggest about the use of volatile agents compared to sedative-hypnotics in improving cerebral tissue oxygenation?
Signup and view all the answers
Which anesthetic agent is associated with the most improvement over isoflurane in terms of cognitive recovery?
Which anesthetic agent is associated with the most improvement over isoflurane in terms of cognitive recovery?
Signup and view all the answers
What effect does N2O have on coronary steal and ischemia?
What effect does N2O have on coronary steal and ischemia?
Signup and view all the answers
Which volatile agent is recommended to be avoided when using motor-evoked potentials technique?
Which volatile agent is recommended to be avoided when using motor-evoked potentials technique?
Signup and view all the answers
What is the effect of volatile agents on ventricular response to an acute increase in preload in cardiac patients?
What is the effect of volatile agents on ventricular response to an acute increase in preload in cardiac patients?
Signup and view all the answers
Which anesthetic agent may slightly prolong the QT interval?
Which anesthetic agent may slightly prolong the QT interval?
Signup and view all the answers
What effect do volatile agents have on blood pressure?
What effect do volatile agents have on blood pressure?
Signup and view all the answers
How do volatile agents affect sensitivity to catecholamines in the myocardium?
How do volatile agents affect sensitivity to catecholamines in the myocardium?
Signup and view all the answers
Which type of changes are better tolerated in terms of anesthetic depth according to the text?
Which type of changes are better tolerated in terms of anesthetic depth according to the text?
Signup and view all the answers
