Pulmonology Flashcards
Pt with a hx of eczema and seasonal rhinitis is at risk of developing?
asthma
T/F Asthma is reversible?
true
What is the mechanism of asthma?
inflammed airway
How should asthma be monitored?
peak flow
If you admin a inhaler in asthma what should go up with improvement?
FEV1 - forced expiratory volume in 1 sec
What two drugs can precipitate a acute asthma attack?
NSAIDS and aspirin
What is seen on peak flow in asthma?
decreased FEV1 and reduced FEV1 to FVC
Gold standard for diagnosing asthma?
Peak expiratory flow rate
Intermittent asthma?
symptoms < 2days/week, <2month
Mild persistent asthma?
symptoms > 2 days/wk, 3-4xmo, short b agonist use 2wk
Moderate persistent asthma?
daily symptoms, 1wk night, daily albuterol use, limits in normal acitivty
Severe persistent?
symptoms throughout day, 7x night, albuterol several times a day, extremely limited activity
Txt for intermittent asthma?
short acting beta 2 agonist (SABA)
Txt for mild persistent asthma?
lose dose inhaled corticosteroid + SABA
Txt for moderate persistent asthma?
Low ICS, LABA daily
Medium dose ICS + LABA
Txt for severe persistent asthma?
High dose ICS + LABA
+ oral steroids
What is the acute txt for asthma?
oxygen, nebulized SABA, ipratropium bromide and oral corticosteriods
What is the atopic triad of asthma?
wheeze, eczema, seasonal rhinitis
One week history of cough productive of whitish sptum, that was preceded by a URI?
Acute bronchitis
What is acute bronchitis?
a cough that persists over > 5 days
What symptom should not be seen in acute bronchitis?
fever (think pneumonia)
95% of acute bronchitis is?
viral
What is the most common bacterial cause of acute bronchitis?
M. Catarrhalis
What is the treatment of acute bronchitis?
supportive (analgesics, B2-agonist, cough suppressants)
In whom are antibiotics indicated for in acute bronchitis?
elderly pts
underlying cardiopulmonary disease and cough for > 7-10 days
immunocompromised
bacterial acute bronchitis txt?
1st- 2nd gen cephalosporin, 2nd- 2nd gen macrolide or Bactrim
Blue bloaters
Chronic bronchitis
Increased interstitial marking, thickening of bronchial walls, diaphragms are not flattend
chronic bronchitis
Gold standard Dx of chronic bronchitis?
lung biopsy
What is the FEV1/FVC ratio in chronic bronchitis?
< 0.7
What is a classic physiologic feature of chronic bronchitis?
airflow limitation that is irreversible or only partially reversible
What is the most contributory factor of COPD?
Smoking
What classifies as chronic bronchitis?
productive cough producing phlegm occurring on most days for 3 mo for 2 yrs
What is the txt for acute exacerbation bronchitis?
O2 beta agonist anticholinergics Inhaled/IV steroids abx
What is the txt for chronic exacerbation bronchitis?
smoking cessation ambulatory o2 bronchodilator steroids vaccines
What is the pathophysiology of chronic bronchitis?
enlargement of mucous glands and goblet cell hypertrophy in large airways
In pts with COPD, which of the following has been shown to decrease rate of malignancy and cardiovascular disease and improve survival?
smoking cessation
What has been shown to prolong life in pts with COPD and alter the natural history of the disease?
Home oxygen
CXR shows parenchymal bullae or subplueral blebs?
emphysema
Independently associated with an increased risk for all cause mortality in pts with COPD?
Bronchiectasis
What is the most significant symptom of COPD?
Breathlessness
What is emphysema?
airway inflammation and loss of elasticity of the alveoli over time, secondary to destruction of the walls of the alveoli
What is a genetic cause of emphysema?
alpha-1 antitrypsin (ATT) deficiency
Empysema that predominately affect the upper lobes?
centrilobular emphysema
Empysema that causes changes in the lower lobes and commonly occurs with alpha-1 antitrypsin deficiency?
Panacinar emphysema
A young age person with elevated liver function tests or liver failure and worsening emphysema what do they have?
Alpha 1 antitrypsin deficiency emphysema
What’s the txt for alpha 1 antitrypsin deficiency?
alpha 1 antitrypsin protein
Diagnosis of COPD?
pulmonary function tests
In acute COPD exacerbation what ABG is seen?
acute respiratory acidosis (low pH and elevated pCO2)
Pink puffer
emphysema
Thin, barrel chest, hyperventilation, pursed lip breathing
emphysema
chronic productive cough, peripheral edema, overweight and cyanotic?
bronchitis
Parenchymal bullae and blebs, flattened diaphragm, decreased lung markings at apices, small thin appearing heart
emphysema
increased interstitial markings at bases, diaphragms are not flattened
bronchitis
Patho for emphysema?
alveolar enlargement and loss of septal wall integrity without any evidence of fibrosis
What is the worst type of lung cancer?
small cell
Lung cancer associated with smoking, aggressive, and has already metastasized?
small cell
What is lung cancer associated with?
paraneoplastic phenomena
What is paraneoplastic phenomena?
ACTH secretion
SIADH
Lambert- Eaton syndrome
Most common type of non-small cell lung cancer?
Adenocarcinoma
Someone who develops lung cancer but has no smoking history
Adenocarcinoma
What is the common paraneoplastic syndrome associated with squamous cell carcinoma?
hypercalcemia
What is the primary treatment of squamous cell lung cancer?
surgery
It primarily affects women and is the only lung malignancy not associated with tobacco use?
Bronchoalvelar cancer
Triad of Horner Syndrome?
miosis (constricted pupil), ptosis, and anhidrosis
Patient presents a a smoker w/ hemoptysis and an abnormal chest x ray showing a large central solitary tumor?
squamous cell carcinoma
Treatment of non-small cell lung cancer?
surgery, chemo, rads
Txt for small cell lung cancer?
CHEMO
The most common cause of acute bronchiolitis?
Respiratory syncytial virus (RSV)
Dx of bronchiolitis?
nasal washing for RSV culture and antigen assay
What circumstances is Ribavirin admin for bronchiolitis?
infants born premature
O2< 95%
respiratory rate > 70
or atelectasis
Txt for bronchiolitis?
supportive: oxygenation and hydration
Bronchiolitis is seen in whom?
infants and young children < 2years
Precedes a URI prodrome, with rhinorrhea, nasal flaring, tachypnea, and retractions, expiratory wheezes
bronchiolitis
What is the MC cause of croup?
parainfluenza virus
What is seen on CXR for croup?
steeple sign
Whom does croup occur?
6 months and 3 years
What is the characteristic symptom of croup?
barking cough and noisy breathing inspiratory stridor
What is the txt for severe croup?
humidified oxygen racemic epinephrine
What is the txt for mild croup?
oral corticosteroids (dexamethasone)
Symptom associated with laryngotracheobronchitis (viral coup)?
barking cough
Thumb print on CXR?
epiglottis
Dx of croup?
Posterioranterior (PA) neck film showing subglottic narrowing (steeple sign)
Rust colored sputum, common in pts with splenectomy?
S. pneumoniae
Salmon colored sputum
S. aureus
Organism causing Infection seen in pts on ventilators, cystic fibrosis
Pseudomonas
Hyponatremia, GI symptoms (diarrhea), and high fever, air conditioning, aerosolized water
Legionella
Young people living in dorms, + cold agglutinins, bullous myringitis, walking pneumonia, low temp
Mycoplasma
currant jelly sputum, DRINKERS, aspiration
Klebsiella
Organism responsible for viral pneumonia in adults?
flu
Organsim responsible for viral pneumonia in kids?
RSV
A non- remitting cough/bronchitis non responsive to conventional txt
Coccidioides
bird or bat droppings (caves, zoo, bird), looks like sarcoidosis on CXR
Histoplasma capsulatum
Found in soil in dry states can disseminate and can cause meningitis?
cryptococcus
HIV related pneumonia?
Pneumocystis jiroveci (PJP)
Walking pneumonia is cause by?
atypical pneumonia
Poor dental hygiene is associated with pneumonia caused by?
anaerobes
characterized by a more precipitous onset and fulminant course?
influenza pneumonia
Seen in community acquired pneumonia
lobar consolidation
apical infiltration is seen in?
TB
Transmission of vocal sounds through consolidation leads to the changes heard with _______________ .
Ephony
Consolidation would increase the transmission of vocal vibrations and manifest as increased ____________ .
Tactile fremitus
COPD, smokers, post-splenectomy?
Haemophilus influeza
College kids, sore throat, long prodrome
Chlamydia pneumoniae
Lobar consolidation is seen in ?
Community acquired pneumonia
What 3 things will a pt with pneumonia have on physical exam?
+ egophony
+ tactile fremitus
+ dullness to percussion
Txt for outpt therapy?
Doxycycline, Marcolides
Txt for inpt therapy?
Ceftriaxone + azithromycin, fluq
Why are macrolides used to txt mycoplasma pneumonia?
bc mycoplasma lacks a cell wall
Dx of viral pneumonia?
CXR bilateral interstitial infiltrates
Txt for viral pneumonia?
symptomatic oseltamivir (Tamiflu)
When must Tamiflu be given to treat influenza?
within 48hrs
Amantadine and Rimantadine treat only
influenza A
Txt for coccidioides?
flucanazole or itraconazole
Txt for cryptococcus?
Amp B
Mississippi or Ohio river valley
Histoplasma capsulatum
Txt for histoplasma?
Amp B
Txt for Pneumocystis Jiroveci?
Bactrim and steriods
Diffue intersitial or bilateral perihilar infiltrates?
Pneumocystis jiroveci
Txt for pneumocystis jiroveci?
Bactrim (Pentamidine if allergic)
Daily prophylaxis of choice for PJP?
Bactrim
DX for sleep apnea?
polysomnography in lab or home
Txt for sleep apnea?
CPAP
Oral appliance
Uvulopalatopharyngoplasty
Tracheostomy
Fever, night sweats, anorexia and weight loss
TB
> 5mm PPD?
cxr of past TB, immunocompromisted ex HIV, close contacts w/ infectous TB
> 10mm PPD?
IV drug users, recent immigrants, prisons, homeless shelters, pt with DM, or those with gastro surgery
> 15mm PPD?
Pts w/ no risk
Dx of TB?
3 sputum specimens for acid fast bacilli (AFB smears), and TB cultures
What does the cxr for TB look like?
cavitary lesions, infiltrates, ghon complexes in apex of lungs, caseating granulomas
What is miliary TB?
Tb spread outside the lungs
What is Potts dz?
Tb to spine
What is Scrofula?
Tb to cervical lymph nodes
What’s next after a + TB test?
CXR
Txt for a neg TB cxr?
latent Tb- Isoniazid for 9 mo
What should a pt taking Isoniazid also take?
Supplemental Vit B6 (Pyridoxine)
What does Pyridoxine prevent in TB?
Neuropathy
sde of Isoniazid?
peripheral neuropathy
Txt for active TB?
RIPE
Rifampin, Isoniazide, Pyrazinamide, Ethambutol
Sde of TB drugs?
hepatotoxic
Orange body fluids, hepatitis
Rifampin
Hyperuricemia (gout)
Pyrazinamide
Optic neuritis, red-green blindness
Ethambutol
What drug can cause reactivation of TB?
Etanercept
How long are TB pts treated?
Four drugs x 8 weeks
2 drugs x 16 weeks