Micronefrin Overview and Dosage Guidelines
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Questions and Answers

What is the brand name of Racemic Epinephrine?

  • Ventolin
  • Micronefrin (correct)
  • EpiPen
  • Adrenalin

    • What is the drug class of Racemic Epinephrine?

    Sympathomimetic

    What is/are the proper adult dose/route(s) of Racemic Epinephrine?

    MDI: 2-3 inhalations, repeated every 5 minutes PRN. Solution: dilute 5 mL (1%) in 5 mL saline, administer over 15 minutes.

    What is/are the proper pediatric dose/route(s) of Racemic Epinephrine?

    <p>Solution: dilute 0.25 mL (0.1%) in 2.5 mL saline (if less than 20 kg); dilute 0.5 mL in 2.5 mL saline (if 20-40 kg); dilute 0.75 mL in 2.5 mL saline (if greater than 40 kg). Administer via hand-held nebulizer.</p> Signup and view all the answers

    How does Racemic Epinephrine work on the body?

    <p>Stimulates beta-2 receptors in lungs, causing bronchodilation with relaxation of bronchial smooth muscles, reduces airway resistance.</p> Signup and view all the answers

    What are the indications for administering Racemic Epinephrine?

    <p>Bronchial asthma, prevention of bronchospasm, croup, laryngotracheobronchitis, laryngeal edema.</p> Signup and view all the answers

    What are the contraindications for administering Racemic Epinephrine?

    <p>Hypertension, underlying cardiovascular disease, epiglottitis.</p> Signup and view all the answers

    What are the potential side effects/adverse reactions of Racemic Epinephrine?

    <p>Headache, anxiety, fear, nervousness, respiratory weakness, palpitations, tachycardia, dysrhythmias, nausea, vomiting.</p> Signup and view all the answers

    When would special considerations be taken with Racemic Epinephrine?

    <p>May cause tachycardia and other dysrhythmias. Monitor vital signs. Excessive use may cause bronchospasm.</p> Signup and view all the answers

    Study Notes

    Drug Overview

    • Brand name: Micronefrin
    • Class: Sympathomimetic

    Dosage and Administration

    • Adult dosage via MDI: 2-3 inhalations every 5 minutes as needed
    • Adult solution dosage: Dilute 5 mL (1%) in 5 mL saline, administer over 15 minutes

    Pediatric Dosage Guidelines

    • For children under 20 kg: dilute 0.25 mL (0.1%) in 2.5 mL saline
    • For children between 20-40 kg: dilute 0.5 mL in 2.5 mL saline
    • For children over 40 kg: dilute 0.75 mL in 2.5 mL saline
    • Administration via hand-held nebulizer

    Mechanism of Action

    • Stimulates beta-2 receptors leading to bronchodilation
    • Relaxes bronchial smooth muscles and reduces airway resistance
    • Effective for treating laryngeal edema; inhibits histamine release

    Indications for Use

    • Bronchial asthma and prevention of bronchospasm
    • Croup, laryngotracheobronchitis, and laryngeal edema

    Contraindications

    • Hypertension, underlying cardiovascular disease
    • Presence of epiglottitis

    Side Effects and Adverse Reactions

    • Common side effects: headache, anxiety, fear, nervousness
    • Respiratory issues: weakness and tachycardia
    • Other effects: palpitations, dysrhythmias, nausea, and vomiting

    Special Considerations

    • Monitor for tachycardia and dysrhythmias
    • Vital signs need regular monitoring
    • Excessive use may lead to bronchospasm and strong rebound effects post-administration

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    Description

    This quiz covers essential information about Micronefrin, a sympathomimetic drug used for treating bronchial conditions. It includes dosage and administration guidelines for both adults and children, as well as its mechanism of action, indications, and contraindications. Test your knowledge on the essential aspects of this medication!

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