Mixed Acting Sympathomimetics Flashcards
What are the two mixed acting sympathomimetics?
1) Ephedrine
2) Pseudoephedrine
What effect does ephedrine have on blood pressure?
Increase
___ is a mixed-acting sympathomimetic that is a direct a1 agonist (minimal direct b2 agonist activity)
Pseudoephedrine
___ is both a direct and indirect sympathomimetic that enhances NE release from sympathetic neurons. Also: it is an alpha/beta adrenergic receptor agonist
Ephedrine
How does Ephedrine affect HR/CO? Peripheral resistance?
Increases all
How does Ephedrine affect the bladder?
Increase resistance to urine outflow
How does Ephedrine affect respiration?
Bronchodilation
True or False: Ephedrine has potent effects on the CNS
True
Adverse effects of ephedrine (2) ?
1) insomnia
2) hypertension
-increased risk if you have pre-existing heart conditions
What was ephedrine previously used for?
Asthma
Clinical use for pseudoephedrine?
Nasal decongestant