Pharm Final 4 Flashcards
Phenylephrine, blood vessels
constrict (sympathomimetic a agonist)
used in cold and allergy products
Phenylephrine (sympathomimetic a agonist)
If given parenterally, used to treat shock-like stages
Phenylephrine
prolong anesthesia and maintain blood pressure during spinal anesthesia
Phenylephrine
used for open angle glaucoma
Phenylephrine
Side effects: fear anxiety restlessness headache nausea decreased urine formation
Phenylephrine (sympathomimetic a agonist)
contraindications for Phenylephrine severe ___ and __ ___ __
hypertension and narrow angle formation (sympathomimetic a agonist)
Phenylephrine contraindication
severe hypertension and narrow angle formation (sympathomimetic a agonist)
Phenylephrine interaction with MAO inhibitors
severe hypertension (sympathomimetic a agonist)
Phenylephrine interaction with tri-cyclic antidepressants
enhanced sympathomimetic effects (sympathomimetic a agonist)
albuterol effect on lungs
bronchodilation (sympathomimetic b agonist)
albuterol (sympathomimetic b agonist) used for 2 health problems
asthma and COPD
side effects: tremor dizzy excited/insomnia tachycardia
albuterol (sympathomimetic b agonist)
albuterol (sympathomimetic b agonist) contraindication:
_ _ disorder
d___
hyper___
CV disorder
diabetes
hyperthyroidism
2 drug interactions for albuterol (sympathomimetic b agonist)
MAO inhibitors
Tri-cyclic antidepressants
Prazosin effect on blood pressure
decrease (sympathetic a blocker)
Prazosin is used to decrease BP in
pheochromocytoma
used to reverse vasoconstriction actions of NE and DA
Prazosin (sympathetic a blocker)
used to treat benign prostatic hyperplasia
prazosin
Side effects: orthostatic hypotension miosis (constriction of pupils) tachycardia nasal congestion confusion, headache, dry mouth, can't ejaculate
prazosin
Tell clients to avoid over the counter preparations
prazosin
prazosin interactions
sympathomimetics, diuretics
Nursing implications:
monitor BP and pulse
caution pt to make position changes slowly (orthostatic hypotension)
encourage pt with additional interventions for hypertension
prazosin (sympathetic a blocker)
propranolol effect on HR
decrease (sympathetic b blocker)
propranolol effect on cardiac output and contractility
decrease (sympathetic b blocker)
propranolol effect on renin release
decrease (sympathetic b blocker)
uses:
antiarrhythmic (especially atrial tachyarrhythmias)
antiginal
hypertension
decrease mortality in pts who already have had an MI
migraine
glaucoma
propranolol (sympathetic b blocker)
toxicity: bradycardia AV block respiratory distress cardiac failure prolong insulin-induced hypoglycemia
propranolol
drug interactions: oral hypoglycemias calcium channel blockers MAO inhibitors sympathomimetics
propranolol
Must be withdrawn slowly to avoid withdraw symptoms
propranolol (and other sympathetic b blocker)
nursing implications:
monitor BP
warn pt about orthostatic hypotension
avoid alcohol
propranolol (and other sympathetic b blocker)
ergotamine can be used to treat ___ by constricting blood vessels during the 2nd phase of the attack
migraine
side effects:
vasospasm, cold extremities, hypo and hypertension, tachycardia or bradycardia
ergotamine