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ATI - Pharmacology- Airflow Disorders Ch. 16 Detailed Questions And Expert Answers
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ATI - Pharmacology- Airflow Disorders Ch. 16 Detailed Questions And Expert Answers
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ATI - Pharmacology- Airflow Disorders Ch. 16Detailed Questions And Expert Answers
Asthma - ANS chronic inflammatory disorder of airways. Can be intermittent and
reversible airflow obstruction that affects bronchioles. Can lead to
bronchoconstriction.
Same medications used to treat COPD.
Bronchodilators - ANS short acting beta 2 agonists (albuterol, terbutaline (( rapid
relief from asthma attacks))
Cholinergic antagonists (atrovent, ipratrpium ((block PNS provide relief of acute
bronchospasms).
Long - Acting Bet2 Agonist (LABAs) - ANS Aformoterol
Formoterol
Idacaterol
Beta2 adrenergic agonists - ANS Albuterol (inhaled short-acting)
Salmeterol (inhaled long-acting)
Other medications -
,Formoterol
Levalbuterol
Salmeterol
Terbutaline.
Expected Pharmacological Action - ANS Beta2 adrenergic agonists act by
selectively activating the beta2 receptors in the bronchial smooth muscle, resulting
in bronchodilation. As a result of this:
Bronchospasm is relieved.
Histamine release is inhibited.
Ciliary motility is increased
Therapeutic Uses -
Albuterol, levalbuterol - ANS Route
Inhaled, short-acting
Oral, long-acting (albuterol)
Therapeutic uses
Inhaled, short-acting prevention of asthma episode (exercise-induced)
Inhaled, short-acting treatment for bronchospasm and asthma
Oral, long-acting, long-term control of asthma
Formoterol, salmeterol - ANS Route:
, • Inhaled, long-acting
Therapeutic uses:
• Long-term control of
asthma
Terbutaline - ANS Route: Oral, long-acting
Therapeutic uses: Long-term control of asthma
Complications: Tachycardia, angina - ANS Oral agents can cause tachycardia and
angina due to activation of alpha1 receptors in the heart.
Nursing Actions: Dosage might need to be reduced.
Client Education
Observe for chest, jaw, or arm pain or palpitations, and notify the provider if they
occur.
Check pulse and report an increase of greater than 20 to 30/min.
Avoid caffeine.
Tremors - ANS Caused by activation of beta2 receptors in skeletal muscle
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