Chronic inflammatory disease
Recurrent episodes wheezing, breathlessness
Airways in persistent state of inflammation
Trigger causes acute response
Late phase 4-12 hours after
Eczema often precursor - Answers Asthma
Limited expiratory airflow
Hypoxemia
Hyperventilation - Answers Untreated Asthma can lead to
-stridor
-diminished
-pleural friction rub
-absent - Answers Asthma lung sounds:
Inflammatory mediators released
Causes activation of inflammatory cells
Bronchoconstriction, airway edema
Increases work of breathing
Trapped air mixes with inhaled air
Impairs gas exchange - Answers What happens during an Asthma attack
pets
exercise
stress/anger
pollen
chemicals
bugs
smoke
dust
cold air - Answers What are asthma triggers
Age <6 years use diaphragm
Airway more narrow
O2 consumption higher
Rapid muscle fatigue
Age <4 mostly nasal breathers - Answers Pediatric Differences for asthma
Avoiding allergies and environmental triggers
Controlling dust
Removing carpets
Covering mattresses and pillows
Pet removal - Answers Prevention of asthma
Coughing - often dry cough that is worse at night; wheezing, shortness of breath, chest tightness,
tachypnea, tachycardia
Abrupt or insidious
Frequency, severity vary
Anxiety and apprehension - Answers Signs and symptoms of Asthma
Peak Expiratory Flow Rate (PEFR)
Allergy testing for allergic asthma
CBC with differential
ABG
Pulmonary function study
Chest x-ray
Oxygen saturation monitoring - Answers asthma diagnositics
Beta-2 agonists (-ol) : Albuterol (INH, PO)
Anticholinergics (-tropium): ipratropium bromide/Atrovent (INH) - Answers Asthma drug therapy:
short-acting
, Albuterol (INH, PO)
Side-effect: nervousness, tachycardia
Nursing Interventions/ Education: rinse mouth, cautious with cardiac patients - Answers Beta-2
agonists (-ol)
(-tropium): ipratropium bromide/Atrovent (INH)
SE: dry mouth, bitter taste
NI: ice chips, cautious with BPH or bladder obstruction - Answers Anticholinergics
Long-acting Beta2 agonist (-ol):
Corticosteroids (-ide, -one)
Leukotriene modifiers (-lukast)
Methylxanthines
Mast cell stabilize - Answers Asthma drug therapy: long-acting
salmeterol
SE: H/A
NI: caution with cardiac disease - Answers Long-acting Beta2 agonist (-ol):
budesonide/Pulmicort, fluticasone/Flovent
SE: sore throat, thrush
NI: give AFTER bronchodilator, rinse mouth - Answers Corticosteroids (-ide, -one) local
Inhalation
oral:prednisone
Intravenous: methylprednisolone/Solumedrol, dexamethose/Decadron
SE: hyperglycemia, HTN, r/f infection, mood swings, insomnia
NI: monitor BG, watch s/s infection - Answers Corticosteroids (-ide,-one) Systemic
Oral and IV :
theophylline (PO)
SE: tachycardia, nervous, GI irritation
NI: watch blood levels for toxicity - Answers Methylxanthines:
montelukast (PO)
SE: suicidal thoughts
NI: monitor liver function tests, interactions with warfarin and theophylline - Answers Leukotriene
modifiers (-lukast):
Cromolyn (INH)
SE: cough, irritating, bad taste
NI: may take weeks for effects - Answers Mast cell stabilizer:
Symptoms < 2 a month: Intermittent
Symptoms < 3-4 times a month: Mild
Symptoms > 1 time per week : Moderate
Symptoms often > 7 times per week: Severe - Answers Classification of asthma severity
Inhaler with spacer: open, shake, insert into spacer, press down, slow deep breath and hold breath 10
second, (if another puff needed, wait 30secons then repeat) drink or brush teeth - Answers Asthma
nursing education
Status asthmaticus
Acute respiratory failure
Pneumonia
Atelectasis - Answers Asthma complications
Wheezing or diminished lung sounds
Respiratory distress
Tests:
CXR, ABG, CBC, SpO2, CBC w diff - Answers Status asthmaticus
Medications
Hydration
Stress free environment
Positioning( Pillows are places behind the back and other pillows are placed on the overhead table to
support arms, shoulders and head) - Answers Care for Status asthmaticus
COPD: onset mid life
symptoms slowly progress