lower respiratory disorders Flashcards
What are the two umbrella terms that are lower respiratory diseases?
COPD and Restrictive lung disease
What is COPD?
Airway obstruction with increased airway resistance of airflow to lung tissues caused by inflammation, bronchoconstriction, and increased secretions
What is restrictive lung disease?
These diseases don’t allow the lungs to expand properly
What diseases are under COPD?
Chronic bronchitis, Bronchiectasis, Emphysema, Asthma
What diseases fall under restrictive lung disease?
Pulmonary edema, Pulmonary fibrosis, Pneumonitis, Lung tumors, Thoracic disorders (scoliosis, kyphosis)
What drugs are used to treat COPD?
Bronchodilators (sympathomimetics, Beta 2 adrenergic agonists), Methylxanthines, Leukotriene antagonists, Glucocorticoids (steroids), Cromolyn, Anticholinergics, Mucolytics
What is asthma?
Inflammatory disorder with varying amounts of airway characterized by bronchospasm
What are asthma triggers?
Stress, allergens, pollutants
What occurs that leads to airway constriction and obstruction in asthma?
Inflamed and edematous airways cause constriction, and the bronchial cells produce more mucus which causes obstruction
What are signs and symptoms of asthma?
Wheezing, SOB, cough (at first dry but then after the attack becomes productive), chest tightness (mostly at night and in the morning)
What is chronic bronchitis?
Progressive lung disease caused by smoking or chronic lung infections
What occurs that leads to airway obstruction in chronic bronchitis?
Bronchial inflammation and excessive mucus production
What can be heard during auscultation of chronic bronchitis?
Productive cough with rhonchi
What can chronic bronchitis cause?
Hypercapnia, hypoxemia, respiratory acidosis
What are preventative and treatment measures for COPD?
Prevent exacerbations by reducing environmental exposure to irritants, stop smoking, filter allergens from air, remove rugs in home, avoid exposure to known irritants/allergens, open the conducting airways using bronchodilators, decrease the effects of inflammation on the airway lining
What type of drug are sympathomimetics?
Bronchodilators, alpha and beta 2 adrenergic agonists
What is epinephrine?
A non-selective sympathomimetic that promotes bronchodilation and elevated BP in emergency situations
What is a bronchospasm selective beta 2 adrenergic agonist?
Given as aerosol/tablet and has less side effects than the non-selective
What are sympathomimetic medications?
Albuterol, Proventil, Ventolin, Metaproterenol
What drug class is albuterol?
Sympathomimetic beta 2 adrenergic
What is albuterol indicated for?
Acute asthma attacks, to control asthma, for exercise induced asthma
Albuterol is the only med considered a…
Rescue med
What is the onset of albuterol?
30 minutes
What pregnancy category is albuterol?
Pregnancy category C
What meds are considered the same as albuterol?
Ventolin, Proventil, Xopenex
What is Xopenex good for?
Patients with AFIB or tachycardia because it causes a less rapid HR
What are the two types of aerosol inhalers?
Metered dose inhaler and dry powder inhaler
How is an aerosol inhaler used?
Test spray the inhaler if it hasn’t been used recently, insert the canister into plastic mouthpiece, shake before using and remove the cap from mouthpiece, breathe out the mouth and place mouthpiece 1-2 inches from mouth, take a slow deep breath while pressing the top of the canister once, hold breath for a few seconds and exhale slowly through pursed lips, wait 2 minutes and repeat starting from shaking again.
What should be administered first, a bronchodilator or a steroid inhaler?
Bronchodilator because it helps open the airways so the steroid inhaler can work, wait 5 minutes before administering steroid inhaler
What med is the prototype for anticholinergics?
Ipratropium (Spiriva)
What is Ipratropium (Spiriva) indicated for?
Maintenance of bronchospasm associated with COPD
How does Ipratropium (Spiriva) work?
Relaxes smooth muscle of the bronchioles
Does Ipratropium (Spiriva) have systemic effects?
Very few when administered by aerosol
If also using a sympathomimetic, steroids, or cromolyn, which should be given first?
Administer the sympathomimetic first, wait 5 minutes, then administer Ipratropium (Spiriva), or the steroid, or cromolyn
What are side effects of Ipratropium (Spiriva)?
Hoarseness and dry mouth
What are the adverse effects of Ipratropium (Spiriva)?
Angioedema, dehydration, hyperglycemia
What are the contraindications of Ipratropium (Spiriva)?
Peanut allergy, pregnancy
Who should we take caution with when giving Ipratropium (Spiriva)?
Patients with lactose sensitivity, hypersensitivity, breastfeeding, narrow-angle glaucoma