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Parasympatholytics
Parasympatholytics (Anticholinergic Drugs)
MOA: competitive antagonist of muscarinic acetylcholine receptors, reduces the activity of the parasympathetic nervous system, increases HR, inhibits mucous glands
IND: bradycardia, shock, bronchospasms, hypotension,organophosphate poisoning
CONS: Tachy dysrhythmias, high degree heart blocks, glaucoma, cardiac ischemia
Adverse: tachy dysrhythmias, v-fib, dizziness, nausea, dissociative hallucinations, HTN, increases myocardial oxygen demand, anticholinergic toxidrome
Special: Will not work on transplant hearts (Vagus nerve is severed during transplant) May cause Bradycardia at incorrect doses
Examples: Atropine, Diphenhydramine, Atrovent, Spiriva
Parasympathomimetics
Parasympathomimetics
MOA: Bind to cholinergic receptors, mimic the effects of parasympathetic nervous system
IND: Anxiety, Refractory vomiting, Gastroparesis, Alzheimer’s, HTN, Glaucoma, Myasthenia gravis, Anticholinergic overdose
CON: Bradycardia, Hypotension, GI bleeding, GI blockage
Adverse: Tardive Dyskinesia, Bradycardia, Hypotension, Diarrhea, SLUDGEM, Mydriasis
Special:
Examples: Nicotine, Aricept, Reglan, Clonidine, Atenolol, Propanolol, Minipress, Sain, VX, Tear gas, Organophosphate pesticides
Sympathomimetics
Sympathomimetics
MOA: Bind to adrenergic receptors, mimic the effects of the sympathetic nervous system, activate the flight or flight response, raise HR and force of contractions, raise RR and depth, cause bronchodilation, peripheral vasoconstriction, coronary and skeletal muscle vasodilation
IND: Bradycardia, Hypotension, cardiac arrest, bronchospasm, shock
Con: MI, Tachy dysrhythmias, HTN, Heart failure, CAD, Hypersensitivity
Adverse: Tachycardia, Dysrhythmias, HTN, Palpations, Mydriasis, anxiety, tremors, increase myocardial workload, Cardiac ischemia, Cardiac arrest
Special: Use caution in Elderly PT’s, Do not mix with sodium bicarbonate(deactivates), Pregnancy class C, Half-life Minutes
Examples: Epinephrine, Norepinephrine, Dopamine, Albuterol, Amphetamines, Ritalin, Cocaine, Ephedrine/pseudoephedrine
Calcium Channel Blocker
Calcium Channel Blockers
MOA: Blocks voltage-gated calcium channels in cardiac muscle and blood vessels, Decrease in intracellular calcium decreases cardiac conductivity, Arterial vasoconstriction leads to decreased SVR
IND: Hypertension, Seizure disorders, Supra-ventricullar tachycardias (a-fib, a-flutter, refractory PSVT), Migraines
CON: Hypotension, Bradycardia, Hypersensitivity, Pre-existing syndromes (WPW, LGL) AV blocks
Adverse: Reflex tachycardia, Bradycardia, Hypotension, Facial flushing, Peripheral edema.
Special: potentiated by magnesium
Examples: Cardizem, Norvasc, Verapamil
Beta Blocker
Beta blocker
MOA: Block the actions of catecholamines on Beta 1 receptors Beta 2 receptors or both, Decrease effects of the sympathetic nervous system effecting bronchodilation, heart rate and force
IND: Tachy dysrthythmias, CHF, Glaucoma, Post-MI, Migrane prophylaxis, aortic dissection
CON: Coccaine or bath salts use, Asthma, Bradycardia, Hypersensitivity, Hypotension
Adverse: Bronchospasms, Hypotension, Bradycardia, Heart failure, Hallucinations, Hyperkalemia
Special: some can’t be given with calcium channel blockers
Examples: Labetolol, Atenolol, Metoprolol, Esmolol, Propanolol
Dopamine
Dopamine Sympathomimetic
Brand: Intropin
MOA: Alpha, Beta, & Dopaminergic Agonist. Increase cardiac contractility and cause peripheral vasoconstriction
IND: Hypotension (not due to hypovolemia), symptomatic bradycardia.
CON: Hypersensitivity, hypovolemic shock, pheochromocytoma. VF/VT
Adverse: Arrhythmias, HTN, palpitations, N/V
Dose/Route: 2-5mcg/kg/min (kidneys) dopaminergic effect
5-10mcg/kg/min (Cardiac) Beta effect
10-20mcg/kg/min (Vasculature) Alpha Effect
Infussion only Pedi dose is the same
Spec Special: Pregnancy Class C, irritant to vasculature. No benefits gained at doses +20mcg/kg/min.
Epinepherine
Epinephrine Sympathomimetic
Brand: epi pen, addrenaline
MOA: Alpha & Beta agonist, positive inotrope & positive chronotrope, vasoconstricts,bronchodilation
IND: Bronchospasm, Cardiac Arrest, Anaphylaxis, Symptomatic bradycardia.
CON: Sensitivity, HTN, dysrhythmias, cardiovascular disease.
Adverse: N/V, tremors, nervousness, anxiety, dysrhythmia.
DOSE: Cardiac- 1mg 1:10,000 every 3-5 min IV/IO/ET
Pedi- 0.01mg/kg 1:10,000 up to 1mg IV/IO/ET
Anaphylaxis- 0.1mg 1:10,000 SLOW IV push // 0.3mg-0.5mg 1:1,000 IM
Pedi- 0.1-1mcg/kg/min INFUSION// 0.01mg/kg up to 0.3mg IM
Bradycardia 2-10 mcg/min 1:10,000 INFUSION
Pedi- 0.01mg/kg 1:10,000 INFUSION
Status Asthmaticus- 0.3mg 1:1,000 IM
Pedi- 0.01mg/kg 1:1,000 IM
Special: Pregnancy Class C, photophobic, alkaline deactivated.
Norepinephrine
Norepinephrine Sympathomimetic
Brand: Levophed
MOA: Alpha (vasoconstrict) & Beta (Inotrope) Agonist.
IND: Hypotension (not due to hypovolemia).
CON: Hypersensitivity, Hypovolemia, HTN
Adverse: HTN, anxiety, palpitations, N/V
Dose/Route: 0.5-30mcg/min INFUSION
Pedi: 0.01mcg/kg/min up to 0.5mcg.
**Titrate to effect
Systolic 90 map of 60
Special: Preg. Class C, deactivated by alkaline solutions, extravasation (necrosis of the tissue), “leave’m dead with Levophed.”
Vasopressin
Vasopressin Pressor-Antidiuretic Hormone (ADH)
Brand: Pitressin
MOA: Pure synthetic alpha agonist; vasoconstriction. Sympathomimetic
IND: cardiac arrest, hypotension (not due to hypovolemia)
CON: none in emergency setting, hypovolemia, HTN, Cardiovascular disease
Adverse: HTN, bradycardia, bronchoconstriction, palpitations, N/V.
Dose/Route: 40 units IV, IO, ET
Pedi—0.4-1unit/kg IV/IO
Special: Class C Pregnancy, given instead of epi
Ondansetrone
Ondansetrone Antiemetic
Brand: Zofran
MOA: Selectively antagonizes Serotonin receptors. Causes CNS depression.
IND: N/V (More specifically to cardiac patients; prevents extra workload and anxiety) motion sickness
CON: Hypersensitivity, Liver disease, GI obstruction
Adverse: headache, light headed/dizzy, tired, constipated, prolonged QT
Dose/Route: 4-8 mg SLOW IV push, IO, PO
Pedi—0.1mg/kg up to 4mg SLOW IV push
Special: Pregnancy Class B, lowers mentation of patients on SSRI (Serotonin, selective reuptake inhibitors).
Ketorolac
ketorolac NSAID
Brand: Toradol
MOA: Decrease responsiveness of pain receptors; inhibits inflammation & pain. Antipyretic, analgesia, anti-inflammatory
IND: Acute moderate-severe pain.
CON: Hypersensitivity, Peptic ulcers, GI Bleed, renal insufficiency and hypovolemia,
Adverse: headache, drowsiness, N/V/D, dyspepsia, edema
Dose/Route: 30mg IV not to exceed 120mg daily
60mg IM not to exceed 120mg daily (IV, IO, IM, PO)
*65 y/o use ½ dose as adult
Pedi not indicated
Special: Pregnancy Class C, solution yellow tint, be mindful of bleeding or surgical procedures.
Hydromorphone
hydromorphone Narcotic Opioid analgesic
Brand: Dilaudid
MOA: Pure opioid agonist. Bind to opiate receptors.
IND: Severe Pain.
CON: Hypersensitivity Shock, hypoperfusion, hemorrhage, head injury
Adverse: Respiratory depression, decreased level of consciousness, hypotension, bradycardia, nausea, dizziness, constipation.
Dose/Route: 1-2mg IM
0.2-1mg IV q2-3 hrs
2-4 mg tablet q4-6 hrs
Pedi—0.015mg/kg SIVP
Special: Avoid other CNS substances (drugs, alcohol). Class II Narcotic
Sublimaze
sublimaze Narcotic Opioid Analgesic
Brand: Fentanyl
MOA: Pain reduction. Binds to opiate receptors & produces euphoria and analgesia.
IND: moderate to severe Pain, pretreatment for RSI
CON: Hypersensitivity, TBI, Respiratory Depression, M.A.O.I, Head injury
Adverse: Respiratory Depression, Hypotension, bradycardia, syncope, N/V, dizziness
Dose/Route: pedi/adult 1-2 mcg/kg IM, IV, IO, IN
RSI induction 3mcg/kg IV push 3 min before intubation
Special: Pregnancy Class C. Dose should be individualized, Class II narcotic
Albuterol
Albuterol BETA Agonist
Brand Proventil, Ventolin
MOA: Binds and stimulates beta 2 receptors; relaxation of bronchial smooth muscle; Bronchodilation
IND: bronchospasm, asthma, COPD exacerbation
CON: hypersensitivity, cardiac disorder, angioedema, arrhythmia, symptomatic tachycardia, xopenex hypersensitivity
Adverse: anxiety, tremor, N/V, palpitations, hyperglycemia, hypokalemia.
Dose/Route: 2.5-5 mg Neb. Every 20 minutes. Max 3 doses.
Pedi— 0.15mg/kg Neb every 20 min max 3 doses
Special: Class C pregnancy, monitor for arrhythmias.
levalbuterol
levalbuterol Sympathomimetic
Brand: Xopenex
MOA: Stimulates Beta 2 receptors; smooth muscle relaxer of the lungs, uterous, and vascular muscles
IND: Bronchospasm, prophylactic patient with asthma.
CON: hypersensitivity, Beta blocker use, angio edema, sensitivity to albuterol
Adverse: anxiety, tremors, N/V, palpitations, hyperglycemia, hypokalemia.
DOSE: 0.63mg Neb with 3 mL NS
Pedi: 0.31mg Neb with 3 mL NS
Acute exasterbation COPD 1.23-2.5 mg q25min
SPCL: Class C pregnancy
ipratropium bromide
ipratropium bromide Parasypatholitic
Brand: Atrovent
MOA: antagonizes acetylcholine receptors resulting in bronchodilation; dries secreations
IND: Bronchospasm, asthma, COPD exacerbation.
CON: hypersensivity, heart disease, GLAUCOMA, bladder neck obstruction.
Adverse: dehydration, throat irritation, palpitations, dizziness
Dose/Route: 0.5mg Neb q20 min
Pedi: 0.25mg Neb
Special: Class B pregnancy, not given as a sole med (mixed with albulterol), administered post Beta agonist.
duo-neb
duo-neb combination bronchodilator
Brand: Combivent
MOA: Beta 2 agoinist causing bronchodiliation while antagonizing acetylcholine receptors. Inhibits parasympathetic stimulation
IND: 2nd line treatment; bronchospasm, asthma, COPD exacerbation.
CON: hypersensitivity, HTN, cardiac disorders, arrhythmias, heart disease. Symptomatic tachycardia
Adverse: anxiety, tremors, N/V, palpitations, throat irritation, dehydration, arrhythmias, headaches, tachycardia
Dose/Route: albuterol –2.5mg, ipratropium 0.5mg in 3mL NS.
Pedi—Not recommended
Special: Class C pregnancy. Applied every 4-6 hours. Caution with: DM, seizures, and cardiac disease.
Methylprednisolone
Methylprednisolone Corticosteroid
Brand: Solu-Medrol
MOA: Anti-inflammatory. Suppress immune response; decrease inflammation.
IND: Anaphylaxis, COPD, asthma.
CON: Sensitivity, measles, Varicella, Cushing syndrome, fungi infection.
Adverse:G.I. Bleed, extended time to heal, suppression of natural steroids, HTN, fluid retention.
Dose/Route: 40-125mg IV, IO, IM
Spinal injury: 30mg/kg
Pedi: 1-2mg/kg
special: onset 1-2 hrs, may cause signs of infection, reconstitute & use immediately, pregnancy class C.
sodium bicarbonate
sodium bicarbonate Electrolyte-Alkalizing Agent
MOA: Alkalizes pH. Combines with excessive Hydrogen reversing clinical acidosis manifestations.
IND: Hyperkalemia, severe acidosis due to hyperventilation, tricyclic antidepressant OD, cardiac arrest with prolonged down time, compartment syndrome(release)
CON: Alkalotic state.
Adverse: Overcompensation (alkalosis), seizures, hypernatremia, fluid retention, peripheral edema
Dose/Route: 0.5-1mEq/kg IV, IO every 10 min
Special: IV flush after use! Class C pregnancy, deactivates catecholamine, precipitation of Calcium (chalk), Na+ overload.
magnesium sulfate
magnesium sulfate Electrolyte-Antidysrhythmic-Anticonvulsant
MOA: CNS depressant, smooth muscle relaxant, dilation of bronchial
IND: Polymorphic V-tach (torsades de pointes) (often caused by malnutrition). Bronchospasm
CON: Shock, heart block, GI obstruction hypotension, hypothermia, bradycardia, dialysis, renal insufficiency.
Adverse: potentiates digoxin/digitalis, flushing respiratory depression, hypotension, hypothermia, bradycardia.
Dose/Route: VF or VT—1-2g in 1-2 min. (3rd/4th line treatment)
Torsade de Pointes—5-10g @ 1g/min
Pedi—25-50mg/kg over 2-5 min.
Infusion—max 2g/30-60min.
Resp.—1-2g @ 1g/min
Pedi 25-50mg/kg over 2-5min.
OBGYN/Eclamptic Seizures—2-4g IV Drip @ 1g/min
Special: Prego Class A. Do not exceed 1g a minute, burns injection site. Ca++ is antidote. Renal failure = electrolyte dysfunction.