Beta agonist drugs Flashcards
what type of drug is isoproterenol
potent, non-selective B agonist
what are the effects of using isoproterenol on B2 receptors
vasodilation and uterine relaxation
what are the effects of using isoproterenol on B1 receptors
inotropic, chronotropic & dromotropic
what is isoproterenol used to treat
bradycardia / heart block
what are some of the adverse effects of using isoproterenol
palpitation, tachycardia, headache
cardiac ischemia & arrhythmias
what is the common disease isoproterenol can cause
coronary heart disease
what type of drug is dobutamine
inotropic B1 adrenergic agonist
what are the effects of using dobutamine
increased heart contractions
what is not affected with dobutamine even though heart contractions are increased
heart rate
cardiac rhythm
what clinical case is dobutamine used to treat
congestive heart failure
how should dobutamine be administered
IV
what are the possible adverse effects of dobutamine
increases AV conduction = atrial fibrillation
tachyphylaxis (tolerance)
what drugs can be used as bronchodilators
metaproterenol / orciprenaline
terbutaline
salbutamol
clenbuterol
salmeterol
which bronchodilator should not be used in animals with known heart disease, hypertension or hyperthyroidism
terbutaline
how is metaproterenol / orciprenaline administered
oral / inhalation
what is the administration route of terbutaline
oral / SubQ / inhalation
what is an adverse effect of terbutaline
tachycardia
what is the common name for salbutamol
albuterol
what is the administration route of salbutamol
oral
aerosol
what type of drugs are bronchodilators
B2 adrenergic agonists
which bronchodilator is banned in food producing animals
clenbuterol
what B2 adrenergic agonist is used to treat COPD
clenbuterol
which B2 adrenergic agonist has a slow onset and is long lasting
salmeterol
what is salmeterol used to treat
prophylactic asthma
what is the administration route of salmeterol
inhalation of dry powder
what type of drug is isoxsuprine
b2 adrenergic agonist
what is the effects of isoxsuprine
vasodilation in skeletal muscle
what is isoxsuprine used to treat
laminitis
navicular disease
what is the administration route of isoxsuprine
powder added to feed
what species is isoxsuprine used for
horses
which B2 adrenergic agonist is used as a uterine relaxant
ritodrine
what is the administration route of ritodrine
IV
what is ritodrine used to treat
arrest premature labor
what type of drug is ractopamine
B2 adrenergic agonist
what is the purpose of using ractopamine
improves muscle leanness
what species is commonly administered ractopamine
cattle
swine
why can ractopamine be used in production animals
no pre-slaughter withdrawal period
what are some adverse effects of ractopamine
anorexia
bloat
locomotion disorders
what is the brand name of ractopamine used in cattle
optaflexx
what is the brand name of ractopamine used in swine
paylean
what are general adverse effects of B2 adrenergic agonists
skeletal muscle tremors
pulmonary edema
tachycardia
what B1 agonist is used to treat congestive heart failure
dobutamine
what B2 agonist is used to stop premature labor
ritodrine
what B2 agonist is used as a repartitioning agent
ractopamine
