Chapter 12 Phramacology Flashcards
Albuterol (proventil, ventolin) class
Sympathomimetic, bronchodialator
Albuterol (proventil, ventolin) Mechanism of action
B2 agonist, stimulates adrenergic receptors of sympathetic nervous system.
Smooth muscle relaxation in bronchial tree
Albuterol (proventil, ventolin) Indication
Bronchospasm
Albuterol (proventil, ventolin) Contraindication
Hypersensitivity, Tachycardia dysrythmias. Other sympathomimetics
Albuterol (proventil, ventolin) Adverse reactions/side effects
Heache, fatigue, light headedness, irritability, restlessness, aggressive behavior, pulmonary edema, hoarseness, nasal congestion, increased sputum, hypertension, tachycardia, dysrhythimas, chest pain, palpitations, nausea/vomiting, dry mouth, epigastric pain, tremors.
Albuterol (proventil, ventolin) Drug interactions
Tricyclic antidepressants increased vasculature effects, Beta-blockers are antagonistic, diuretics may potentiate hypokalemia
Albuterol (proventil, ventolin) Route
Inhalation
Albuterol (proventil, ventolin) Dosage
Adult: 2.5 mg in 0.5 mL of 0.5% solution with 2.5 mL normal saline nebulizer over 10-15 minutes. 1-2 inhalations, wait 5 minutes.
Ped: < 20 kg 1.25 mg/dose over 20 min
> 20kg 2.5 mg/dose over 20 min
Repeat every 20 min
Albuterol (proventil, ventolin) Duration of action
Onset: 5-15 minutes. Peak effect: 30 min to 2 hr. Duration 3-4 hrs
Albuterol (proventil, ventolin) Special considerations
Pregnancy: Safer than withholding.
Asprin (Acetylsalicyclic Acid) Class
Platelet inhibitor, Anti-inflammatory
Asprin (Acetylsalicyclic Acid) MOA
Prevent thromboxane A2 (Causes platelet to clump and obstruct)
Antipyretic and analgesic properties
Asprin (Acetylsalicyclic Acid) indications
New-onset chest discomfort that suggests ACS
Asprin (Acetylsalicyclic Acid) Contraindications
Hypersensitivity. Relative to active ulcer disease or asthma
Asprin (Acetylsalicyclic Acid) adverse reactions/ side effects
Bronchospasm, anaphylaxis, wheezing, prolonged bleeding, GI bleed, epigastric distress, NV, Hearburn, reye syndrome
Asprin (Acetylsalicyclic Acid) Interactions
Cation in patients allergic to NASAIDs
Asprin (Acetylsalicyclic Acid) Route
Oral
Asprin (Acetylsalicyclic Acid) Dose and admin
Adult: 160 - 325 mg PO. Chew
Ped: not recommended
Asprin (Acetylsalicyclic Acid) Duration
Onset: 5-30 min. Peak effect 1-3 hrs Duration: 3-6 hrsq
Asprin (Acetylsalicyclic Acid) Special considerations
Pregnancy: Use with caution
Dextrose class
Carbohydrate, antihypoglycemic, hypertonic solution
Dextrose MOA
Rapid increase serum glucose levels. Short term osmotic diuresis.
Dextrose indications
Hypoglycemia, ALOC, coma of unknown origin, seizure of unkown origin, status epilepticus
Dextrose Contraindications
Intracranial hemorrhage with normal blood glucose level
Dextrose side effects
Extravasation leads to tissue necrosis. Cerebral hemorrhage; cerebral ischemia; pulmonary edema; warmth, pain, burning from iv infusion; hyperglycemia
Dextrose drug interactions
Sodium bicarbonate, warfin (coumadin)
Dextrose Route
IV, IO
Dextrose Dose
Adult: 12.5 - 25g slow iv push. Condsider 10% Dextrose over 50% or 25%.
Ped: 1yr+ D25 or D10 0.5-1g/kg/dos slow iv push.
-1yr D10 only 200-500 mg/kg slow iv push.
Dextrose Duration
Onset: < 1 min. Peak: variable Duration: variable
Dextrose Special considerations
Pregnancy: check glucose level.
No CVA without hypoglycemia.
Epinephrine (Adrenaline) class
Sympathomimetic
Epinephrine (Adrenaline) MOA
Alpha and beta agonist.
Alpha: vasoconstiction
Beta 1: positive inotropic, chronotropic, and dromotropic effects.
Beta 2: Bronchial smooth muscle relaxation, dilation of skeletal vasculature.
Histamine blocker
Epinephrine (Adrenaline) indications
Allergic reaction; anaphylaxis, asthma.
Epinephrine (Adrenaline) contraindications
None
Relative: hypertension, hypothermia, pulmonary edema, myocardial ischemia, hypovolemic shock
Epinephrine (Adrenaline) side effects
Nervousness, restlessness, headache, tremor, pulmonary edema, dysrhythmias, chestpain, hypertension, tachycardia, NV
Epinephrine (Adrenaline) drug interactions
Other sympathomimetics, MAOIs, beta blockers
Epinephrine (Adrenaline) Route
IM, Subq
Epinephrine (Adrenaline) Dosage
Adult: 0.3-0.5 mg (1mg/mL 1:1000) IM
Ped: Anaphylaxis/ sever status asthmaticus: 0.01 mg/kg 1:1000 dose. Max single dose 0.3 mg.
Epinephrine (Adrenaline) special considerations
Pregnancy: Anaphylaxis = administer.
Syncope in children with asthma
Increase in myocardial oxygen demand
Glucagon (glucagen) Class
Hyperglycemic agent, pancreatic hormone, insulin antagonist
Glucagon (glucagen) MOA
Increase blood glucose level by stimulating glycogenolysis.
Minimal positive inotropic and chronotropic response. Decrease GI motility and secretions
Glucagon (glucagen) Indications
ALOC when hypoglycemic
Reversal in beta-blocker overdose
Glucagon (glucagen) contraindications
Hyperglycemia, hypersensitivity
Glucagon (glucagen) side effects
Dizziness, headache, hypertension, tachycardia, NV, rebound hypoglycemia
Glucagon (glucagen) interactions
Incompatible in solution with other substances,
No significant interaction
Glucagon (glucagen) Route
IM, IN
Glucagon (glucagen) Dose
Adult: hypoglycemia; 1 mg Im/IN, may repeat 7-10 min
Ped: hypoglycemia 1 mg IM/IN if 20 kg+ (or 5+)
0.5 mg IM/IN if < 20 kg or < 5 yo
Glucagon (glucagen) Duration
Onset: 1 min Peak: 5-20 duration: 60-90 min
Glucagon (glucagen) Considerations
Pregnancy: Only if cleared. Not recommended if lactating. Used in conjunction with D50 when possible. Administer D50 if 2nd does is ineffective.
Naloxone hydrochloride (Narcan) Class
Opioid antagonist/ antidote
Naloxone hydrochloride (Narcan) MOA
Competitive inhibition. Reverse respiratory depression. Inhibits effects of morphine
Naloxone hydrochloride (Narcan) indication
Opiate overdose. Partial CNS depression from opiods.
DLOC or Coma when unknown.
Naloxone hydrochloride (Narcan) Contraindications
Use caution on narcotic dependent patients, neonates and addicted mothers
Naloxone hydrochloride (Narcan) Side effects
Restlessness, seizures, dyspnea, pulmonary edema, tachycardia, hypertension, dysrhythmias, NV, withdrawl symptoms, diaphoresis.