Term
What are the basic principles of step managment of asthma? |
|
Definition
- tailored to pt
- as severity increases, drugs added |
|
|
Term
How is mild intermittent asthma managed? |
|
Definition
inhaled B2 adrenergic agents or cromolyn before exposure to allergents
|
|
|
Term
How is mild persistent asthma managed? |
|
Definition
- antinflammatory agent (inhaled steroid or Intal)
- theophylline
- consider leukotrient modifers |
|
|
Term
How is moderate persistant asthma managed? |
|
Definition
inhaled steroid and or long acting bronchdilator |
|
|
Term
How is severe persistent asthma managed? |
|
Definition
inhaled or oral steriod and long acting bronchodilator |
|
|
Term
How is an acute asthma attack managed pharmacologically? |
|
Definition
- depends on severity and response to therapy
- initial: B2 adrenergic agonists via nebuilizer or MDI
- corticosteroids: IV, PO, MDI
- epinephrine sq
- aminophylline or theophylline po |
|
|
Term
What are the two types of inhalers? |
|
Definition
- dry powdered inhaler
- metered dose inhaler |
|
|
Term
What are non-pharmacologic TNI of acute asthma? |
|
Definition
- monitor resp and card systems
- monitor response to therapy
-administer O2
- decrease pt sense of panic
- position to maximize chest expansion
- pursed lip breathing |
|
|
Term
What is status asthmaticus? |
|
Definition
- continuing worsening of symptoms despite vigorous treatment
- run risk of needing intubation
- risk of pneumothorax
- high pulsus paradox |
|
|
Term
How is status asthmaticus managed? |
|
Definition
- corticosteroids IV, theophylline
- manage F/E balance, assure hydration
- O2 (humidified low flow)
- prepare for possibe intubation
- antibiotics |
|
|
Term
What are the goals of asthma managment? |
|
Definition
- pt carry out ADLs
- pt able to comfortably STTN |
|
|
Term
What are some key points for pt education for asthma management? |
|
Definition
- avoid allergens
- knowledge of meds and use of MDI
- use peak expiratory flow meter
- know when to seek medical attention
- healthy diet and plenty of fluids
- rest and exercise
- avoid exposure to infection |
|
|
Term
|
Definition
- condition chracterized by chronic obstruction to air flow
- periods of exacerbation
- emphysema, chronic bronchitis |
|
|
Term
What is chronic bronchitis? |
|
Definition
- problems with larger airways
- enlarged goblet cells, excessive mucus, destroyed cilia
- mucus and cough for 3 months for at least 2 years |
|
|
Term
|
Definition
- inflammtion of smaller airways/alveoli
- alveoli get destroyed, hyperinflated
- bullaue: blister like weak structures prone to rupture |
|
|
Term
What is the etiology of COPD? |
|
Definition
- cigaretted smoking
- infection
- heredity: alpha/anti trypson defeciency (vacuum does not have off switch, destroys healthy tissue)
- aging
- environmental exposure |
|
|
Term
What is the pathophysiology of COPD? |
|
Definition
- inflammatory process
- destruction of lung parenchyma
- pumonary vascular changes
- cor pulmanle: right sided heart failure |
|
|
Term
What are some clinical manifestations of COPD? |
|
Definition
- insidious onset
- cough that usually worse in morning
- dyspnea
- wheezing chest tightness
- flattened diaphragm
- weight loss, anorexia
- fatigue
- physical findings: barrell chest, activity intolerance, coarse dimished breath sounds, pursed lip breathing, clubbed fingers
- polycythemia
- ABG abnormalities |
|
|
Term
What classifies at Stage 0 COPD? |
|
Definition
|
|
Term
What classifies at Stage I COPD? |
|
Definition
|
|
Term
What classifies at Stage 2 COPD? |
|
Definition
|
|
Term
What classifies at Stage III COPD? |
|
Definition
|
|
Term
What classifies at Stage IV COPD? |
|
Definition
very severse <30% FEV1 or <50% and chronic resp failure |
|
|
Term
What are complications of COPD? |
|
Definition
- cor pulmonale
- exacerbations of COPD
- acute respiratory failure
- GERD
- depression/anxiety |
|
|
Term
What information should a H&P for a pt with suspected COPD include? |
|
Definition
- smoking
- environemental |
|
|
Term
What will a chest X-ray look for in a pt with suspected COPD? |
|
Definition
- flattened diaphragm
- hyperinflation |
|
|
Term
What will a CT scan of chest look for? |
|
Definition
- weakened walls of lungs
- outpouching |
|
|
Term
What will a PFT in a pt with suspected COPD look for? |
|
Definition
- reduced FEV1
- increased residual volume
- increased TLC |
|
|
Term
What will ABG's in a pt with COPD show? |
|
Definition
- resp acidosis
- comp or uncomp |
|
|
Term
What will a CBC of a pt with COPD show? |
|
Definition
- polycythemia
- increased WBC |
|
|
Term
What are nursing dx for a pt with COPD? |
|
Definition
- impaired gas exchange
- ineffective breathing pattern
- ineffective airway clearance
- imbalaned nutrtion: less than body requirements
- anxiety
- activity intolerance |
|
|
Term
What are the goals of collaborative management for COPD? |
|
Definition
- prevent disease progression
-releive symptoms
- improve exercise tolerance
-prevent/treat complications
- promote participation in care
- prevent/treat exacerbation
- improve quality of life
- reduce mortality risk |
|
|
Term
What pharmacologic agents are used to manage COPD? |
|
Definition
- bronchodilators
- anticholenergics
- steroids |
|
|
Term
How can bronchial secretions be managed in the COPD pt? |
|
Definition
- cough and deep breath
- suctioing
- well hydrated
- mucinex |
|
|
Term
What are O2 considerations for a pt with COPD? |
|
Definition
- sometimes decreased O2 levels can be stimulus to breath (hypoxic drive)
- in such cases, don't give too much O2
- CO2 narcosis acts as sedative |
|
|
Term
What does physical therapy include for the COPD pt? |
|
Definition
- mobilize
- acapala to break up secretions |
|
|
Term
What are environmental considerations for a pt with COPD? |
|
Definition
- don't tolerate heat or fragrance |
|
|
Term
What are the nutritional needs of the COPD pt? |
|
Definition
- maintain BMI 21-25 kg/m2
- protein 1.2-1.9g/kg
- non protein calories divided evenly b/t fats and CHO
- calories to maintain 25-30 cal/kg/day
calories to gain: 45 cal/kg/day |
|
|
Term
What are nursing considerations when feeding the patient with COPD? |
|
Definition
- small frequent meals
- avoid foods that cuase bloating
- bronchdilator 30 minutes before meals
- increased fats |
|
|
Term
|
Definition
- multisystem disorder primarily affecting the exocrine (mucous producing glands)
- most common serious pulmonary and gastric disease in children
- inherited as an autosomal recessive trait
- 1:1600 births, increased in caucasians
- equal sex distribution |
|
|
Term
What is the pathophysiology of cystic fibrosis? |
|
Definition
- impermeability of epitheltial cells to chloride
- exocrine gland dysfunction leads to thick, tenacious mucus causing mechanical obstruction |
|
|
Term
What are the pulmonary clinical manifestations of cystic fibrosis? |
|
Definition
- patchy atelectasis and hyperinflation of lung
- child cannot expectorate
- infection common
- gas exchange affected
- severity does vary
- hemoplasis |
|
|
Term
What are the gastro-intestinal clincal manifestations of cystic fibrosis? |
|
Definition
- meconium ileum may be early sign
- pancreatic enzymes don't go into duodenum
- impaired digestion and absorption of nutrients
- steatorrhea
- complication: rectal prolapse
- DIOS/constipation
- if bile backs into liver, cirrhosis and liver damage possible
- deficiency in fat soluble vitamins |
|
|
Term
How is cystic fibrosis diagnosed? |
|
Definition
- may occure at birth or as late as early adulthood
- hx, family hx
- sweat electrolyte test: examine sweat, child with CF will show increase in sodium chloride, above 60me/L indicates CF
- fecal fat test: collect stool for 72 hous, test for amount of fat
- chest Xray: demonostrate pulmonary issues |
|
|
Term
How is cystic fibrosis managed in regards to pulmonary function? |
|
Definition
- chest PT: manual, postural drainage, acapela, vest
- meds: bronchodilators, mycolytics, expectorants, antiobtiocs (avoid near meals)
- transplant: can give additional 10-20 years, 48% survival rate at 5 years
- kids should be exercising to increase lung capacity |
|
|
Term
What meds are pt with cystic fibrosis given to manage GI symptoms? |
|
Definition
- artificial enzymes (no set dose, goal is to reduce stools to 1-3 per day)
- multivitamins: can be give watermisable fat soluble vitamins |
|
|
Term
What is the diet of a pt with cystic fibrosis like to manage GI symptoms? |
|
Definition
- increased calories
- increased protein
- fat as tolerated
-salty foods in hot weather |
|
|
Term
What are therapeutic nursing interventions for a pt with cystic fibrosis? |
|
Definition
- improving ventilation
- improving nutritional status
- support child and family
- pt and family education (stress compliance with treatment, encourage f/u care, refer to CF foundation) |
|
|
Term
|
Definition
- an intermittent, reversible obstructive airway disease
- increased responsiveness of trachea and bronchi to various stimuli, hyperresponsiveness
- narrowing of airways with inflammation and obstruction (bronchospasm)
- symptoms can be mild to severe or even fatal
-exacerbation last minutes to hours |
|
|
Term
What are possible asthma triggers? |
|
Definition
- allergens/irritants
- exercise (albuterol 15 min before exercise)
- respiratory infections
- nose and sinus problems
- drug and food additives (ASA and NSAIDS)
- GERD
- emotional stress |
|
|
Term
What is the incidence/prevalence of asthma? |
|
Definition
- 20 million in US/6.3 million children
- more prevalent in boys until puberty, then increased in women
- common in urban settings
- gerontoglogic considerations |
|
|
Term
What is the pathophysiology of asthma? |
|
Definition
- inflammation and edema of mucous membranes (guides treatment)
- spasm and hypertrophy of smooth muscle of bronchi and bronchioles
- accumulation of tenacious secretions
- hyperinflation of alveoli |
|
|
Term
What are gerentolic considerations of asthma? |
|
Definition
- elderly do not respond as well to drugs
- only 1/2 of children outgrow asthma, it is a disease of elderly as well |
|
|
Term
Describe the process of asthma? |
|
Definition
allergent or stressor --> IgE stimulation --> mast cell degrnulation --> histamine, SRS-A, prostoglandins, bradykinis, luekotrienes -->mucous secretions, inflammation, bronchspasm |
|
|
Term
What are the clinical manifestations of asthma? |
|
Definition
- freq and severity of symptoms very
- onset abrupt or insidious, lasting hours to days
- prolonged expiration
- wheezing, cough
- dyspena, tachpneic
- chest tightness
- anxious, uncomfortable, acute distress
- acute episode may cause s&s of hypoexemia
- complications: pneumothorax |
|
|
Term
|
Definition
- hx: family hx, allergies, work environment
- allergy testing
- CXR: normal unless acute attack, hyperinflation
- WBC diff: eosinophils elevated w/ allergies
- IgE levels
- sputum sample: cultures and sensitives
- ABG in acute event (1st resp akl, 2nd resp acid)
- PFTs: decreased FVC, decreased FEV1 that increases w/ use of bronchodilators
- Peak Flow: gives overall pic of status
- nitric oxide levels are higher in pt w/ asthma |
|
|
Term
What is resp rate in mild, moderate, and severe asthma? |
|
Definition
mild: increased
moder: more increased
severe: extremely increased or none at all |
|
|
Term
What are breath sounds like in mild, moderate, and severe asthma? |
|
Definition
mild: wheezing
mod: unequal
severe: decreased or absent |
|
|
Term
What use of accessory muscles in mild, mod, or severe asthma? |
|
Definition
mild: none
moderate: increased
severe: very increased |
|
|
Term
What is the pH level of mild, mod, and severe asthma? |
|
Definition
mild: acidic
mod: alkaline
severe: severely alkaline |
|
|
Term
Describe the occurance of symptoms in intermittent, mild, moderate, and severe asthma? |
|
Definition
intermittent: <2 days/week
mild: > 2 days/week
moderate: daily
severe: throughout day |
|
|
Term
How often is a short acting beta 2 agonist used for symptom control used in intermittenet, mild, moderate, and severe asthma? |
|
Definition
intermittent: <2 days/week
milkd: > 2 days/week, but not daily
moderate: daily
severe: several times per day |
|
|
Term
How much does asthma interfere with normal activity in intermittent, mild, moderate, and severe asthma? |
|
Definition
intermittent: none
mild: minor
moderate: some
severe: extremely |
|
|
Term
What are some examples of bronchdilators, or short acting beta 2 agonists? |
|
Definition
MID, nebulizer
- albuterol (proventil, Ventonlin)
- metaproteronal (Alupent)
- pirbuterol (Maxair)
MDI, nebulizer, po, sq: terbutaline (Brethaire)
sq: epinephrine (Adrenaline)
neb: levalbuterol (Xopenex)
|
|
|
Term
How does short acting beta 2 agonists used? |
|
Definition
- stimulates beta 2 adrengertic receptors in smooth muscles and bronchiole
- bronchdilators |
|
|
Term
What are main adverse effects of short acting beta 2 agonists? |
|
Definition
- sinus tach
- tremor
- hyopkalemia
- cardiac dysrhythmia
- papitations
- restlessness
- insomnia |
|
|
Term
What are some nursing considerations for a pt on a short acting beta 2? |
|
Definition
- short acting agents provide quick relief
- cheaper but less convenient than long acting beta 2 agonists
- epinephrine may be given for emergency management
- rescute inhalers
- avoid over or double dosing which may lead to paradoxical wheezing
- take before other inhalers |
|
|
Term
What are examples of long acting beta 2 agonists? |
|
Definition
MDI: salmeterol (serevent), formoterol (Foradil) |
|
|
Term
How does a long acting beta 2 agonist work? |
|
Definition
same as short acting beta 2 -- bronchdilator |
|
|
Term
What are the main adverse side effects of a long acting beta 2 agonist? |
|
Definition
similiar to short acting, but slow release formulation decreases side effects |
|
|
Term
What are some nursing considerations for a pt on a long acting beta 2 agonists? |
|
Definition
- sustain release form of albuterol
- not a rescue inhaler |
|
|
Term
What are examples of anti-inflammatory drugs for asthma treatment? |
|
Definition
MDI:
beclomethasone (Vanceril)
budesonide (Pulmicort)
fluticasone (Flovent)
PO: prednisone
IV: methylpresdnisolone (Solumedrol) |
|
|
Term
How do antiinflammatory corticosteroids control asthma? |
|
Definition
- suppress inflammation in airway thereby stopping asthma attack before it starts |
|
|
Term
What are the main adverse effects of corticosteroids as antiinflammatory asthma meds? |
|
Definition
Inhaled: hoarseness, cough, throat irritation, fungal infection of mouth and throat
systemic: hyperglycemia, euphoria, nervousness, personality/behavior changes, osteoporosis, edema, hypertension, kypokalemia, peptic ulcer disease, delayed wound healing |
|
|
Term
What are nursing considerations for corticosteroids? |
|
Definition
- take bronchodilators first
- rinse mouth out after using inhalers
- must taper oral and parenteral administration or risk Addisonian crisis |
|
|
Term
What are examples of mast cell stabizers as anti-inflammatory asthma drugs? |
|
Definition
|
|
Term
How does a mast cell stabalizer work when used as an anti-inflammatory drug for asthma control? |
|
Definition
stabilizes mast cells to prevent release of mediators that cause bronch-constriction |
|
|
Term
What are nursing considerations for a pt taking a mast cell stabilzer as an anti-inflammatory for asthma control? |
|
Definition
not a rescue drug, a control drug |
|
|
Term
What are examples of luekotriene inhibitors uses as anti-inflammatory asthma drugs? |
|
Definition
PO
- zafirlukast (Accolate)
- montelukast (Singulair)
- zileuton (Zyflo) |
|
|
Term
How do luekotriene inhibitors work? |
|
Definition
inhibits leukotriences which are released from mast cells that have been stimulated by an asthma trigger; prophylaxis used primarly for asthma control |
|
|
Term
|
Definition
But increasing bronchodilation and stimulating diaphragm |
|
|
Term
What is the most important nursing consideration for methylxanthines? |
|
Definition
narrow therapeautic range: 10-20 mcg/ml |
|
|
Term
What are some examples of xanthines: methylxanthines? |
|
Definition
IV
- aminophylline
IV, po
- theophylline (Theodur, Uniphyll) |
|
|
Term
What are possible adverse effects of xanthines: methylxanthines? |
|
Definition
- dysrythmias
- seizures
- headaches
- insomnia
- nausea
- heartburn
- mild diuresis
- palpitations |
|
|
Term
What are nursing considerations for a pt on xanthines: methylxanthines? |
|
Definition
- narrow therapeautic range
- interacts with many foods and medications
- maintain dedicated venous access for parenteral infusions |
|
|
Term
What are examples of anticholergics? |
|
Definition
MDI, nebulizer: ipratropium (Atrovent)
MDI: tiotropoium (Spiriva) |
|
|
Term
How do anticholinergics work? |
|
Definition
- bronchodilators
- increase effectivness of beta 2 agnoists
- used for chronic prophylaxis of asthma or for COPD |
|
|
Term
What are the main adverse effects of anticholinergics? |
|
Definition
- bitter, metallic taste
- nervousness
- occasionally prostatic symptoms
- dry mouth
- blurred vision
- headache |
|
|
Term
What are nursing considerations of an anticholinergics? |
|
Definition
provides longer relief than short acting beta 2 agonists |
|
|
Term
What are examples of combination drugs? |
|
Definition
albuterol and ipratroprium (Combivent)
fluticasone and salmeterol (Advair) |
|
|