Pulmonary Flashcards
PFTs are rarely performed in children _____ years
<7
Early RSV infection is an associated risk factor for what respiratory condition?
asthma
What is the atopic triad ? (IgE mediated hypersensitivity)
- asthma
- rhinitis
- eczema
What 3 medications can be used to dilate airways with asthma?
- inhaled beta agonists (albuterol, salmeterol)
- anticholinergic
- magnesium sulfate (emergency only)
How do you diagnose bronchiolitis?
nasal washing
What is the definition of asthma?
recurrent, paroxysmal, REVERSIBLE increase in airway resistance
What is the treatment for bronchiolitis?
Supportive
If a newborn presents with conjunctivitis, a staccato cough and fluffy infiltrates on CXR what are you concerned for?
chlamydia causing pneumonia
What is the most common pathogen causing pneumonia between 3 months and 2 years of life?
Viral
What is the most common outpatient antibiotic therapy for pneumonia in pediatrics?
-amoxicillin
What is the inpatient antibiotic therapy for pneumonia? (3 drugs)
What drug is used in severe cases?
Inpatient
- ampicillin
- ceftriaxone
- zithromax
Severe cases = vancomycin
How is asthma diagnosed with PFT?
FEV1/FVC <70% but reversible with bronchodilator administration
What are the 3 controller medications for long term treatment of asthma?
- the key controller medication
- leukotriene receptor inhibitors (Montelukast)
- Cromolyn
- inhaled steroids (budesonide, fluticasone)*
How long does cough last in bronchiolitis?
2-3 weeks
What CXR finding are consistent with asthma?
hyperinflation
If a patient presents with cough, retractions, and rhinorrhea what is his most likely diagnoses?
-bronchiolitis
What pathogen is the primary cause of bronchiolitis?
RSV
Why should newborns with RSV be admitted to the hospital?
they are at a significant risk of APNEA in the first 4-6 weeks of life
What medication is given for premature infants and those with congenital HD to prevent bronchiolitis in the first year of life?
synagis (palivizumab)
What are the 2 phases of asthma? What mediates each of these phases?
- smooth muscle constriction - IgE mediated
2. inflammation - Leukotrienes
What is the treatment for emergency asthma?
Nebulized bronchodilators (3 back-to-back)
What is the most common cause of pneumonia in babies 3 weeks-4 months ?
chlamydia