Autonomics Flashcards
alpha agonist
phenylephrine
alpha antagonist
Phentolamine 1, Phentolamine 3, Prazosin 1
Beta agonists
isoproterenol 1, 2, Dobutamine 1, Albuterol 2
alpha and beta 1 agonist
norepinephrine (lacks B2 action –> will not cause vasorelaxation in skeletal muscle
alpha, beta 1, beta 2 agonist
epinephrine
Phenylephrine
alpha agonist
Phentolamine 1, 3
alpha antagonist
Prazosin 1
alpha antagonist
isoproterenol 1, 2
Beta agonist
Dobutamine 1
Beta agonist
Albuterol 2
Beta agonist
Atenolol 1
Beta antagonist
Propranalol
Beta antagonist
norepinephrine
alpha and Beta 1 agonist
epinephrine
alpha, beta 1, beta 2 agonist
adverse effects of Phenylephrine
constipation, HTN, bradycardia (reflexive b/c of HTN), urinary retention
Phentolamine/ Prazosin adverse effects
tachyardia, weakness dizziness, flushing, orthostatic hypotension, nasal congestion (alpha antagonist effects)
isoproterenol 1,2 / Dobutamine adverse effects
serious –> ventricular arrhythmia, tacharryhtmia, HTN, pulmonary edema
common –> tachycardia, angina, dizzy/flush, orthostatic hypotension, nasal congestion (Beta agonist functions)
Atenolol, Propranolol adv effects
bradycardia (vasoconstriction -reflex), exacerbate asthma
serious -> CHF, bentricular arrhythmia, severe bradycardia, MI if abrupt d/c, Raynaud’s syndrome (compensatory vasoconstriction) bronchospasm (Beta antagonist)
Epi, Nor epi adv effects
severe HTN, bradycardia (common - reflex) exacerbate asthma, extrvasational necrosis, bronchospasm, cold extremities, dyspnea
Bethanechol
M agonist
Atropine
M antagonist
Bethanechol indications
urinary retention and ileus
Atropine indications
bradycardia, aspiration prophylaxis, block cardio vagal response