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):
1

Blood Pressure

Thiopental: reduced
Methohexital: reduced
Propofol: reduced++
Ketamine: increased
Etomidate: no change

2

Cardiac Output

Thiopental: reduced
Methohexital: reduced
Propofol: reduced++
Ketamine: increased
Etomidate: no change

3

Heart Rate

Thiopental: increased
Methohexital: increased
Propofol: reduced
Ketamine: increased
Etomidate: no change

4

Systemic Vascular Resistance

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

5

Respiratory Rate

Thiopental: reduced
Methohexital: reduced
Propofol: reduced
Ketamine: increased
Etomidate: reduced

6

Intracranial Pressure

Thiopental: reduced
Methohexital: reduced
Propofol: reduced
Ketamine: increased
Etomidate: no change

7

Intraocular Pressure

Thiopental: reduced
Methohexital: reduced
Propofol: reduced
Ketamine: increased
Etomidate: no change

8

Pain on Injection

Thiopental: No
Methohexital: Yes
Propofol: Yes
Ketamine: No
Etomidate: Yes

9

Nausea/vomiting

Thiopental: No
Methohexital: No
Propofol: No +?protective
Ketamine: Yes
Etomidate: Yes

10

Misc

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