Pulmonology Test Flashcards
Acute inflammation of the trachea and bronchi (pathology)
Acute bronchitis
MCC of acute bronchitis
Viral agent
Acute bronchitis tx
Symptomatic tx to control cough, discomfort, and fever
Acute inflammation of the terminal bronchioles (pathology)
Acute broncholitis
Population in which acute broncholitis is MC
Infants and children
MC cause of acute broncholitis
RSV or Adenovirus
Acute broncholitis - how are CXR’s different between children and adults?
- Children: resembles patchy pneumonia
- Adults: looks like ground glass densities (looks fuzzy)
You see “ground glass” densities on CXR. What’s in your differential based solely on that finding?
- Acute broncholitis in adults
- Interstitial lung disease (Diffuse parenchymal lung disease)
TX for acute broncholitis
Supportive treatment
Acute infection of the supraglottis with viral or bacterial pathogen (pathology)
Acute epiglottitis
MC Cause of acute epiglottitis?
HIB (but rare now with the HIB vaccine)
Child presents with severe odynophagia, muffled voice, and they’re drooling. You check their tonsils and the back of their throat and find nothing. What should you suspect?
Epiglottitis
“Thumb print sign” on x-ray is related to what pathology?
Epiglottitis
MCC of croup
Parainfluenza (flu-like) viruses
Acute inflammatory disease of the larynx, accompanied by barking cough and stridor
Croup
X-ray sign with croup
- Steeple sign
- From narrowing supraglottic narrowing secondary to edema
Pertussis causative agent
Bordetella pertussis (Gram negative bacteria)
How do you transmit Pertussis?
Via respiratory droplets
3 stages of Pertussis
- Catarrhal stage
- Paroxysmal stage
- Convalescent stage
Patient presents with rapid, consecutive coughs followed by a deep, high-pitched inspiration. What stage of what disease state are they in?
-The paroxysmal stage (the 2nd stage) of Pertussis (AKA “Whooping cough”)
If suspicious of Pertussis (Whooping cough), on what agar should you use to plate a sputum sample?
Bordet-Gengou agar
Antibiotics used for Pertussis (Whooping cough)
Macrolides (Erythromycin, Azithromycin, Clarithromycin)
MCC of classic CA pneumonia
Strep pneumoniae
Rust colored sputum is associated with what organism and what pathology?
- Strep pneumoniae
- pneumonia
Currant jelly sputum is associated with what organism and what pathology?
- Klebsiella
- Pneumonia
Organism that will likely be responsible for pneumonia in alcoholics
Klebsiella
DOC family for classic CAP not requiring hospitalization in a young, otherwise healthy patient
Macrolide (Clarithromycin, Azithromycin, or Erythromycin)
DOC family for classic CAP not requiring hospitalization in an older patient with comorbidities
Doxycycline or Fleouroquinalone (Levofloxacin)
Treatment for classic CAP requiring hospitalization
- Extended spectrum beta lactam (PCN or cephalosporin) plus a Macrolide (Like Ceftriaxone IV with Azithromycin)
- Extended spectrum beta lactam (PCN or cephalosporin) plus a Flouroquinalone (Like Ceftriaxone IV with Levofloxacin)
MCC of atypical CAP
Mycoplasma pneumonia (or chlamydia, legionella, viruses)
What’s the likely causative agent of an atypical pneumonia in a patient who may have consumed contaminated water?
Legionella
Preferred family of antibiotics for atypical CAP
Macrolides (Azithromycin, Erythromycin, Clarithromycin)
Likely causative agent in nosocomial pneumonia in an intubated patient or in a patient in the ICU
Pseudomonas
Two MC causes of nosocomial pneumonia
MRSA or pseudomonas
Treatment choice for nosocomial pneumonia with mild symptoms
2nd/3rd gen Cephalosporin (like Rocephin) and a Macrolide
Treatment choice for nosocomial pneumonia in a patient in the ICU or intubated
- Aminoglycoside (Streptomycin, Gentamicin, etc.) OR Flouoquinalone (Levofloxacin)
- AND an Antipseudomonal beta lactam (PCN, Cephalosporin, or Aztreonam)
- Add Vancomycin if MRSA is suspected
Likely causative agent of pneumonia in HIV patient
Pneumocystic jiroveci
What tool do we use to help us decide if pneumonia patient needs to be hospitalized?
PORT Score
Rare, aggressive manifestation of TB
Miliary TB
Inability to react to PPD test because of immunosuppression
Anergy
Isoniazid (INH) adverse effects
- Hepatitis
- Peripheral neuropathy
Rifampin (RIF) adverse effects
- Hepatitis
- Flu-like symptoms
- Orange body fluid
Which TB treatment is contraindicated in pregnancy?
Streptomycin
Ethambutol (EMB) adverse effects
Optic neuritis (red-green vision loss)
Which types of bronchogenic carcinoma tend to originate centrally?
- Squamous cell carcinoma
- Small cell
Which types of bronchogenic carcinoma tend to be located more peripherally?
- Adenocarcinoma
- Large cell carcinoma (although this can also be located more centrally)
Which type of lung cancer may present as a cavitary lesion?
Large cell carcinoma
Two subtypes of large cell carcinoma
Giant and clear cell
Horner’s syndrome consists of what?
- Enophthalmos
- Ptosis
- Miosis
- Ipsilateral anhydrosis
What type of tumor can cause Horner’s syndrome?
Pancoast tumor
System used to stage non-small cell lung cancer
TMN
- T: tumor
- M: metastasis
- N: nodal involvement
2 classifications of small cell lung cancer
- Limited
- Extensive
Pancoast tumors are one of what two “types” of tumor?
- Large cell
- Or adenocarcinoma
Tumor of the lung’s superior sulcus
Pancoast tumor
Imaging studies good for looking for Pancoast tumor
CT/MRI
How can you distinguish pleuritis from costochondritis?
-Costochondritis pain will be reproducible with pressure or palpation
Effusion caused by an increased production of fluid, with normal capillaries
Transudative
Type of effusion caused by fluid leaking through abnormal capillary walls, or from decreased lymphatic clearance
Exudative effusion
What labs would be significant in distinguishing a transudative effusion from an exudative effusion?
For an EXUDATIVE effusion:
- Pleural protein to serum protein ratio will be > 0.5
- Pleural LDH to serum LDH ration will be > 0.6
What changes in percussion and tactile fremitus will be observed with a pleural effusioN?
- Dullness to percussion
- Decreased tactile fremitus
Procedure that drains a pleural effusion
Pleurodesis
Procedure that will likely be performed to drain a pleural effusion of pus
Tube thoracostomy
When a patient presents with a pneumothorax, what measurement will guide our treatment? (Either conservative wait-and-see treatment or insertion of a chest tube)
- If the pneumothorax is < 15%, conservative treatment
- If the pneumothorax is > 15%, chest tube placement
Procedure indicated in patients with recurrent pneumothoracies
Pleurodesis (fusion of the pleura to obliterate the pleural space)
Where do we perform (anatomically) a needle thoracostomy?
2nd ICS, MCL
Primary tumors of the mesothelial cells arising from the surface lining of the pleura (pathology)
Mesothelioma
Inflammation and fibrosis of interalveolar septum or capillary endothelial cells (pathology)
Interstitial lung disease (diffuse parenchymal lung disease)
Most common diagnosis among patients with interstitial lung disease
Idiopathic fibrosing interstitial pneumonia
Systemic, inflammatory, multisystem disease of unknown cause with granulomatous inflammation of the lung in 90% of patients (pathology)
Sarcoidosis
Is sarcoidosis obstructive or restrictive?
Restrictive
TX of sarcoidosis
- Oral corticosteroids are first line
- Methotrexate
- Lung transplant
Chronic fibrotic lung disease caused by inhalation of various dusts (Asbestos, silica, coal) (Pathology?)
Pneumoconiosis
What is “Hampton’s Hump” on CXR associated with?
PE
What “rule” do we use to help rule out the possibility of a PE?
PERC (Pulmonary Embolism Rule out Criteria)
What is “Westermark’s Sign” on CXR associated with?
Pulmonary embolism
Will patients with a PE be acidotic or alkalotic? Why?
Alkalotic from hypervntilation
Only available definitive medicinal treatment for PE
Thrombolysis with Streptokinase, Alteplase, etc.
Treatment for PE when thrombolytic therapy is absolutely contraindicated
Embolectomy
Patient population in whom primary PHTN tends to occur?
Young and middle-aged women
What might a CBC reveal in a patient with PHTN? Why?
- Polycythemia
- From chronic hypoxemia causing increased RBC production
Pulmonary vasodilator drug
Epoprostenol
Most common cause of cor pulmonale
COPD
3 components of asthma as an obstructive disease
- Airway hyper-responsiveness
- Inflammation
- Allergic/Immunologic-mediated
What will CXR of asthmatic patient show?
- Hyperinflation
- Increased rib spacing
FEV1/FVC value indicative of obstructive disease
< 75%
What value should asthmatics test for every morning to make sure they’re well-controlled?
Peak Expiratory Flow
What change in FEV1 is considered a positive bronchial provocation test?
Decrease in FEV1 by at least 20%
Type of asthma that’s unrelated to allergens
Idiosyncratic (intrinsic) asthma
Lung functions defining intermittent asthma
- FEV1 > 80%
- Less than 20% variability
- FEV1/FVC is normal
Lung functions defining mild persistent asthma
- FEV1 > 80%
- 20-30% variability
- FEV1/FVC is normal
Lung functions defining moderate persistent asthma
- FEV1 60-80%
- > 30% variability
- FEV1/FVC is reduced by 5%
Lung functions defining severe persistent asthma
- FEV1 < 60%
- > 30% variability
- FEV1/FVC reduced by > 5%
How is FEV1 affected in obstructive disease?
Decreased
How is FVC affected in obstructive disease?
Decreased
How is FEV1/FVC affected in obstructive disease?
Decreased
How is PEF affected in obstructive disease?
Decreased
How is TLC affected in obstructive disease?
Increased (air-trapping)
How is RV affected in obstructive disease?
Increased (air-trapping)
TOC for acute symptoms in asthma?
Fast-acting beta agonists
TOC for bronchospasms in patients on beta-blockers or with COPD
Anticholinergic
Preferred agents for long-term control of asthma?
Long-acting corticosteroids
Indicated for maintenance therapy of mild-moderate asthma, or for exercised-induced asthma prophylaxis
Mediator inhibitors
Green zone for asthmatics (PEF value)
PEF > 80%
Yellow zone for asthmatics (PEF value)
PEF 50-80%
Red zone for asthmatics (PEF value)
PEF < 50%
“Mild” COPD FEV1 value
60-80% of predicted
“Moderate” COPD FEV1 value
40-59% of predicted
“Severe” COPD FEV1 value
< 40% of predicted
What cause of COPD should you be suspicious of if you have COPD in a patient < 40 yo?
Alpha-1 antitrypsin deficiency
Mainstay of drug therapy for COPD patients
Bronchodilators
Abnormal dilation of the bronchi resulting from inflammation and permanent destructive changes in the elastic and muscular layers of the bronchial walls
Bronchiectasis