C&P: Physiological Effects of IV Induction Agents Flashcards Preview

FRCA Anaesthesia > C&P: Physiological Effects of IV Induction Agents > Flashcards

Flashcards in C&P: Physiological Effects of IV Induction Agents Deck (10)
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1
Q

Blood Pressure

A
Thiopental: reduced
Methohexital: reduced
Propofol: reduced++
Ketamine: increased
Etomidate: no change
2
Q

Cardiac Output

A
Thiopental: reduced
Methohexital: reduced
Propofol: reduced++
Ketamine: increased
Etomidate: no change
3
Q

Heart Rate

A
Thiopental: increased
Methohexital: increased
Propofol: reduced
Ketamine: increased
Etomidate: no change
4
Q

Systemic Vascular Resistance

A
Thiopental: Either (wild card)
Methohexital: Either (wild card)
Propofol: reduced++
Ketamine: no change
Etomidate: no change
5
Q

Respiratory Rate

A
Thiopental: reduced
Methohexital: reduced
Propofol: reduced
Ketamine: increased
Etomidate: reduced
6
Q

Intracranial Pressure

A
Thiopental: reduced
Methohexital: reduced
Propofol: reduced
Ketamine: increased
Etomidate: no change
7
Q

Intraocular Pressure

A
Thiopental: reduced
Methohexital: reduced
Propofol: reduced
Ketamine: increased
Etomidate: no change
8
Q

Pain on Injection

A
Thiopental: No
Methohexital: Yes
Propofol: Yes
Ketamine: No
Etomidate: Yes
9
Q

Nausea/vomiting

A
Thiopental: No
Methohexital: No
Propofol: No +?protective
Ketamine: Yes
Etomidate: Yes
10
Q

Misc

A

Thiopental: crystallizes if intra-arterial injection
Methohexital: reduces fit threshold
Propofol: ?toxic in children (metabolic acidosis and bradycardia)
Ketamine: increased salivation and ‘dissociation’
Etomidate: adrenal suppression