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90 Cards in this Set
- Front
- Back
acute bronchitis most common during which months?
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winter and early spring
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Acute bronchitis S/S?
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cough preceded by nasal congestion, sore throat, malaise, HA and sneezing, Rhonchi, crackles, or wheezing
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Acute bronchitis TX
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1. supportive
2. decongestants and ihaled bronchodilators |
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Most common cause of RSV?
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Acute bronchiolitis
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Acute bronchiolitis s/s?
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diffuse wheezing, variable fever, cough, tachypnea, difficulty fedding, cyanosis
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PE of acute bronchiolitis?
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hyperinflation, crackles and prolonged expiration and wheezing
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DX of acute bronchiolitis?
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based on clinical findings and isolation of offending organisms
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TX of acute bronchiolitis?
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1. bronchodilator for wheezing
2. antiviral-Ribavirin, by aerosolization for RSV |
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Acute epiglottis is what?
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rare, medical emergency
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acute epiglottitis is noted in who and caused by what?
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1. adolescents and adults
2. h. flu type b s. pneumoniae staph aureus candida albicans herpes simplex virus |
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decreased frequency of this dz in children w/dev. and use of the h. flu type b vaccine?
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acute epiglottitis
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Acute epiglottitis s/s?
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pt appears anxious and toxic
fever, muffled voice and cyanosis 2. prefer sitting position, children have "sniffing" or "tripod" position 3. sitting up with chin forward and neck slightly extended |
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late symptoms of epiglottitis?
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stridor, drooling and trouble handling secretions
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what is important to know and seen in epiglottits?
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exam of upper airway should be avoided and if pt is examined the epiglottitis is cherry red and swollen
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DX of epiglottitis?
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lateral soft tissue neck xray show (THUMPRINT SIGN)
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Epiglottitis treatment?
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AIRWAY MANANGEMENT IS KEY!!!
2. humidified oxygen and IV fluids 2. cefuroxime 3. chloramphenicol 4. cefotaxime 4. ceftriaxone 5. cefazolin 6. ampicilling-sulbactam |
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An acute inflammatory dz of the larynx involving mainly the subglottic area?
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Croup
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Croup affects who and occurs when?
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younger children, fall and early winter
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common cause of croup?
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1. RSV
2. Influenza 3. adenovirus 4. Mycoplasma pneumonia |
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Croup s/s?
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barking cough and stridor
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What shows on lateral neck xray of croup?
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narrowing of hte subglottic area and normal epiglottitis
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treatment of croup?
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supportive care, oral hydration, mist therapy, and minimal handling for mild croup
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pts with stridor are treated?
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active intervention
1. oxygen 2. racemic epi 3. glucocorticoids artificial airway may be needed in severe cases |
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Influenza defintion?
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common resp. infxn caused by influenza A or B
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how is influenza spread?
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respiratory droplets
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this has a 1-3 day incubation period
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influenza
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abrupt onset of fever, chills, myalgias, HA and a non-productive cough
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influenza
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coryza and sore throat are common with this?
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influenza
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what does a PE show with influenza?
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mild pharyngeal erythema, cervical adenopathy, and clear nasal drainage
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how do you diagnosis influenza?
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Viral culture from throat and nasal or immunoassays can be used for rapid detection
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treatment of influenza A?
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1. rimantadine and amantadine-shorten the course
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Zanamivir and oseltamivir are active against what?
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influenza A and B
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S/E of zanamivir and oseltamivir?
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1. zanamivir-bronchospasms
2. oseltamivir-nausea and vomiting |
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mainstay prevention of influenza?
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inactivated influenza vaccine
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Whooping cough is seen in what?
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Pertussis
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pertussis more common in who?
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young children and infants
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what is the organism in volved with pertussis and the incubation period?
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bordatella pertussis
6-14 days |
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what are the three stages of pertussis?
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1. catarrhal
2. paroxysmal 3. convalescent |
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this stage of pertussis is sneezing, injected conjunctivae, and nocturnal cough
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catarrhal stage
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this stage present with cough with whooping sound, mucous plug maybe expellled, vomiting and scattered rhonci
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paroxysmal stage
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this stage the cough disappears?
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convalescent stage
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dagnosis of pertussis?
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clinical findings and whooping cough, lymphocytosis and nasal swab culture for b. pertussis
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what is the the diagnostic procedure for b. pertussis
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nasal swab culture
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what is the antibiotic of choice for pertussis?
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erythromycin
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what other antibiotics can you use in pertussis?
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bactrim, azithromycin or clarithromycin
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what is the prevention of pertussis?
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exposed individuals should be treated with erythromycin and immunizations.
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what are the immunizations given for prevention of pertussis?
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DTaP every 8wks starting at 2mths for total of 3 injections. 4th dose at 15 to 18 mths, and booster at age 5
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microaspiration of oral contents, inhalation of small droplets or hematogenous spread?
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bacterial pneumonia
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productive cough, dyspnea and pleuritic chest pain and fever?
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bacterial pneumonia
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what are some other s/s of pneumonia that could occur?
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confusion, dehydration, loss of appetite or failure to thrive.
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foul-smelling sputum?
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aspiration pneumonia
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what is found on PE in bacterial pneumonia?
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increased resp. rate, bronchial breath sounds and egophony, dullness to percussion, decreased breath sounds
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what is the diagnosis of bacterial pneumonia?
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leukocytosis, positive sputum gram stain and culture
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Lobar pneumonia shows what on cxr?
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density involves a distinct segment of the lung.
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s. pneumoniae, h. flu and legionella species are noted in what pneumonia?
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Lobar pneumonia
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bronchopneumonia shows what on cxr?
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patchy infiltrates involving multiple areas of the lung
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what organisms are involved with bronchopneumonia?
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s. aureus, gram-negative bacilli, mycoplasma, chlamydia, and viruses
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interstitial pneumonia shows what on cxr?
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fine, diffuse, granular infiltrates.
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what organisms involved in interstitial pneumonia?
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influenza, CMV, and pneumocystis carinii
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this presents with loss of lung tissue and cavity formation?
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lung abscess-noted infections due to anaerobes
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histoplasmosis, coccidiomycosis and cryptococcosis show what on CXR?
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nodular lesions, multiple or single
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what is viral pneumonia caused by?
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M. pneumonia, C. pneumonia, adenovirus, parainfluenza, influenza a and b and RSV
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this pneumonia is seen in pts younger than 40yrs
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m. pneumonia
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late summer and early fall this pneumonia common in?
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m. pneumonia
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a non-productive cough, fever, malaise, and HA.
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viral pneumonia
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HA and sore throat are common in what pneumonia?
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mycoplasma, chlamydia infections
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what does a cxr show in mycoplasma and chlamydia pneumonia?
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unilateral or bilateral patchy lower lobe infiltrates
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rapid viral screens are available for detection of what?
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influenza
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whats the treatement of mycoplasma and chlamydia pneumonia
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tetracycline and macrolides
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what are considered fungal pneumonia?
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1. hisoplasma capsulatums and coccidioides immitis
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this is caused by bat exposure and more common in midwestern (ohio and mississippi river valleys) and SE US.
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Histoplasmosis
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this infection is noted in cave explorers, due to exposure to bat guano
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histoplasmosis
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coccidioidomycosis is more common in?
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central california, arizona, new mexico and texas and more common in summer
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2 wks after exposure pts have high fever, ha, nonproductive cough and dull chest pain
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histoplasmosis
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pts maybe asymptomatic or present w/fever, pleuritic chest pain, dry cough, and SOB
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coccidioidomycosis
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how do you diagnose histoplasmosis?
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fungal culture or antigen testing
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cxr shows what in histo?
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patchy infiltrate and mediastinal lymphadenopathy
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how do you diagnose coccidioid?
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fungal culture, eosinophilia, sputum may show spherules, organism can be noted on silver stain
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coccidoid treatment?
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most cases resolve spontaneously. Diseeiminated dz-AMPHOTERICIN B
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histo treatment?
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itraconazole or amphotericin B
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Organism in HIV pneumonia?
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pneumocystis carinii
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HIV pts have what cd4 count levl?
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cd4 count less then 200
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fever, dry cough, dyspnea, weight loss, fatigue and tachypnea?
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p. carinii
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how do you diagnose p. carinii?
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1. lactate dehydrogenase (LDH) elevated.
2. Gallium scan is positive |
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what does p. carinii show on cxr?
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diffuse interstitial infiltrates. BUTTERFLY PATTERN
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what is the treatment of choice for p. carinii?
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bactrim or pentamidine is treatment of choice
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what can be given in P. carinii if presence of severe respiratory compromise?
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steroids
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lower resp. tract infxn in young?
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RSV
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low grade fever, wheezing, retractions, crackles and hyperinflation?
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RSV
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how do you diagnose RSV?
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rapid detection of RSV antigen thru enzyme-linked immunosorbent assay or fluorescent antibody staining in nasal or pulm secretion is very sensitive
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