Pulmonary Flashcards
what can dullness on percussion indicate?
effusion or pneumonia
What can hyperresonance on pulmonary exam indicate?
emphysema or pneumothorax
what does increased tactile fremitus indicate?
pneumonia or tumor
what does decreased tactile fremitus indicate?
effusion/ pneumothorax
total volume of air exhaled after maximal inspiratin
forced vital capacity (FVC)
normal amount of air with each breath
tidal volume
normal pH for ABGs
7.35-7.45
Normal HCO3 for ABG
22-26
4 main conditions that can cause respiratory acidosis
COPD, asthma, CHF pneumonia
3 main conditions that can cause respiratory alkalosis
hyperventilation, fever, anxiety
Conditions that cause metabolic acidosis (MUD piles)
methanol uremia DKA Propylene glycol isoniazid lactic acidosis ethylene glycol salicylates
2 conditions that can cause metabolic alkalosis
vomiting, NG suction
triad of asthma
airflow obstruction
bronchial hyperreactivity
inflammation
prolonged, severe asthmatic attack
that does not respond to treatment with patient at risk
for ventilatory failure
Status asthmaticus :
what will PFTs look like with asthma
Decreased FEV1, decreased FEV1/FVC, increased residual volume and TLC
Drugs that – Reverse vagally mediated bronchospasm but not allergen
or exercise induced bronchospasm
anticholinergics
Destruction of alveolar walls produces widely
dilated air spaces
emphysema
Excessive mucus secretion in the bronchial tree
causing mucus plugging and inflammation,
peribronchiolar fibrosis, narrowing and
obliteration
• Productive cough for at least 3 months during
each of two successive years
chrnoic bronhcitits
ABX that help with uncomplicated COPD exacerbations (not >65, FEV1 >50%, >3 exacerbations/year)
doxycycline, batrim, macrolide, cephalosporin
ABX good for complicated COPD
fluoroquinolones (floxacins), augmentin
abnormal dilataion of the bronchi, chronic purulent sputum, hemoptysis. Ausculatory crackles, digital clubbing
Bronchiectasis
Drugs for influenza A
rimantadine
drug for influenza A or B
zanamivir, or oseltamivir
Major cause of lower respiratory infections of
newborns and children
• Often an epidemic during winter months
• Causes bronchiolitis – inflammation of small
airways
RSV? acute bronchiolitits
TX for acute bronchiolitits (RSV)
humidified air, oxygen, ribavirin, albuterol, fluids (steroid not recommended in infants)
Highly contagious airborne disease that
classically lasts for 6 weeks before subsiding. Has 3 stages (catarrhal, paroxysmal, convalescent)
pertussis (bordetella pertussis)
Tx for pertussis
vaccine, macrolides, or bactrim
Parenchymal lung infection
– 1‐10 day history of increasing cough, yellow sputum,
shortness of breath, tachycardia and pleuritic chest pain
community acquired pneumonia
typical bacteria that causes CAP
mycoplasma, chlamydia, legionella
Lab with CAP
luekjocytosis w/ left shift, CXR_ lobal infiltrates
Outpatient Tx for CAP
macrolides, doxy, fluoroquinolones
Inpatient tx for CAP
fluoroquinolones, macrolide + Beta-lactam
: low grade fever, nonproductive cough,
myalgia, fatigue, mild pulmonary symptoms
that are self‐limited occurring in young
otherwise healthy adults
atypical pneumonia
Tx for chlamydia pneumonia
tetracycline
Tx for CMV
ganciclovir
Treatment for RSV
ribavirin
“Caves, Ohio valley, and lower
Mississippi region”, grows in soil with bird or bat
droppings.
histoplasmosis fungal pneumonia
tx for histoplasmosis fungal pneumonia
amphotericin B, itraconazole
“California disease, valley fever”,
New Mexico area, causes mild sx
coccidiomycosis fungal pnuemonia
tx for coccidiomycosis fungal pneumonia
fluconazole, or amphotericin B
endemic in N. America around Great
Lakes, Ohio river basin and Mississippi river, broad
base budding organism, extrapulmonary lesions :
skin, bone, prostatitis.
blastomycosis fungal pneumonia
tx for blastomycosis fungal pneumonia
oral itraconazole
potentially fatal disease,
opportunistic infection in AIDS
cryptococcosis fungal pnuemonia
tx for cryptococcosis fungal pneumonia
IV amphotericin B + oral flucytosine
immunocompromised individuals,
waterfowl, fungal ball on CXR.
treat with any antifungal
Nonproductive cough, dyspnea, fever in an individual with HIV pneumonia. 50% will ahve a normal exam. Increased LDH and ilver stain on sputum. Ground glass ppearance on CXR/CT
PCP (pneumocystis jiroveci pneumonia)
Tx for PCP pnuemonia
bactrim ?clinda
– Walking pneumonia
– + cold agglutinins
– Bullous myringitis
mycoplasma pneumoniae
pneumonia if around
poultry, pet shops
chlamydia psittaci
“currant
jelly sputum” common in alcoholics
Klebsiella pneumonia
common organism in pneumonia in individuals with cystic fibrosis
Pseudomonas