Sympathomimetics Flashcards Table View


Epinephrine	a1, a2, b1, b2. low doses B1.
NE	a1=a2> b1Hypotension, low renal perfusion
Isoprotenerol	b1=b2. AV block
Dopamine	D1=D2>b>a Shock, inc renal perfusion, heart failure.ionotropic, chronotropic
Phenylephrine	a1>a2, vasoconstriction, pupil, nose.
Dobutamine	b1>b2 ionotropic, not chronotropicheart failure, cardiac stress
metaprotenerolAlbuterolsalmeterolterbutaline	Selective b2 agonistsmeta and albuterol, acute asthma.salmeterol, long term therapy asthmaterbutaline.reduces contractions
Ritodrine	B2, reduces contractions
Hemaxethonium	Nicotinic ganglionic blocker, used to prevent reflex bradycardia when using NE.Side effects: orthostatic hypertension, blurred vision, sexual dysfunction.