preoperative to reduce salivation, increase heart rate, dilate pupils, as an antispasmodic drug to treat peptic ulcers
Patient teaching with anticholinergics
Avoid hot temps,physical exertion,don't use in pts w/ glaucoma,drowsiness is common,avoid etoh,smoking,caffeine,aspirin,use sunglasses for photophobia,dry mouth,<urination,constipation,>fluids,urinate before taking, >oral hygeine, eyedrops=moisten, >fiber
Effects of parasympathomimetics on specific organs
Constricts pupils, bronchioles, and bladder. Increases secretions, peristalsis, and salivation. decreases heart rate. Dilates blood vessels.
Alpha1: the arterioles & venules contrict,increasing peripheral resistance & blood return to the heart. Alpha2: increases norepinephrine resulting in vasodilation and decrease BP.Beta1: increases myocardial contractility and HR. Beta2:
Adrenergic Agonists/Antagonists:Patient teaching for adrenergic beta blockers
decrease HR & BP.Should be used with extreme caution with COPD or asthma.Side effects:bradycardia,hypotension,HA,dizziness, cold extremities, hypoglycemia,bronchospasm,dysrhythmias,flushing,weakness,impotence,dec. libido,depression,pulmonary edema