Pulmonology Flashcards
Mixed aerobic/anaerobic sputum Cx
Aspiration PNA
PNA in alcoholic
aspiration PNA
Foul-smelling sputum + periodontal dz
Aspiration PNA
2nd most common cause of death in AAT
Cirrhosis!
COPD w/o risk factors
AAT
ASA + Asthma
AERD
(Aspirin-exacerbated respiratory disease);
pseudoallergic rxn to NSAIDs in asthmatics,
chronic rhinositis w/ nasal polyposis.
Splinter hemorrhage
think septic emboli 2/2 subacute infective endocarditis (SIE).
Decreased PaCO2
Hyperventilation (e.g. PE)
Increased PaCO2
Respiratory failure
(e.g. botulism)
Right Axis Deviation on EKG
RV strain β> PE vs. pHTN
Enlarged pulmonary arteries on CXR
pHTN
Enlarged RV on CXR
pHTN
(RV failure is late manifestation)
Wedge-shaped density on CT
PE
(vascular distribution)
Diffuse interstitial lung pattern on CT
PJP
(CD<200/mm3)
Cavitary lesion on CT
TB
Leukocytes in methylprednisolone treatment
Leukocytosis w/ neutrophilic predominance
Eosinophilia
Drug/Allergic reaction vs. Parasitic infection vs. Malignancy
- Hypersensitivity reaction
- TEN
- DRESS
- Leukemia or Lymphoma
- Churg-Strauss (eosinophilic granulomatosis w/ polyangiitis)
- Helminths/schistosomes (NOT protozoans!)
Dopamine agonists treat
PD, prolactinomas, RLS
(restless leg syndrome).
Alpha 2-adrenergic agonists treat:
- HTN (clonidine, methyldopa)
- Anesthesia (dexmedetomidine)
Alpha-adrenergic blockers (vasodilators) treat
BPH & HTN
(prazosin, terazosin, doxazosin).
Renal + pulmonary findings
Goodpasture disease
(anti-basement membrane antibodies)
PTX in COPD pt
Rupture of alveolar blebs
PTX Auscultation
Decreased breath sounds,
decreased tactile fremitus,
hyperresonant percussion
Atalectasis Auscultation
Decreased BS,
decreased tactile fremitus,
dullness to percussion
Pleural effusion auscultation
Decreased BS,
decreased tactile fremitus, dullness to percussion
Consolidation
Increased BS
(+crackles, + egophony), Increased tactile fremitus, dullness to percussion
Emphysema
(same as PTX)
Decreased BS,
Decreased tactile fremitus, hyperresonant to percussion
Mediastinal shift
- Away from = PTX, Pleural effusion (if large)
- Toward = Atalectasis (if large)
COPD pt + seizures
2/2 hypercapnia
(CO2 retention) from chronic disease or
O2 supplementation (>92%)
Noncaseating granulomas + BL hilar adenopathy
Sarcoidosis
Noncaseating granulomas
Hypersensitivity pneumonitis or sarcoidosis
Elevation of L main bronchus on CXR
Enlarged LA from long-standing mitral stenosis
from RHD (think immigrants)
GERD can worsen asthma via
microaspiration
Urine osmolality in hypovolemia
ncreased
(dark urine; to conserve water)
Urine sodium in hypovolemia
decreased
(most sensitive indicator of hypovolemia)
Plasma renin activity in hypovolemia
increased
Urine urea nitrogen in hypovolemia
Decreased
(increased BUN reabsorption)
Aldosterone stimulates sodium exchange for _____
potassium
(in collecting tubules)
Serum potassium in hypovolemia
decreased
(due to aldosteroneβs effects on collecting tubules)
Panacinar emphysema
Alpha-1 Antitrypsin Deficiency
(AAT)
Centriacinar emphysema
COPD
(smoking-induced)
Lung cancer + hypercalcemia
SQUAMOUS CELL CARCINOMA of the lung (βsCa++mousβ cell carcinoma of the Lung)
Lung cancer + SIADH
SCLC
(Small-cell carcinoma of the lung)
Lung cancer + ACTH production
SCLC
(Small cell carcinoma of the lung)
Chest mass + Hypercalcemia
SCC of the lung vs. Sarcoidosis
- Sarcoid = +Erythema nodosum, BL hilar adenopathy
- SCC of the lung = +smoking hx, older
Productive cough COPD
Chronic Bronchitis
Dyspnea COPD
Emphysema
PNA has increased/decreased lung sounds
increased
Increased lung sounds
consolidation
New-onset RBBB
Right heart strain
(think PE vs pHTN/cor pulmonale)
cANCA+ β>
GPA
(Granulomatosis w/ Polyangiitis)
pANCA+ β>
- Microscopic polyangiitis
- Eosinophilic granulomatosis w/ polyangiitis
- PSC (Primary sclerosing cholangitis)
Auditory canal ulcers
GPA
- Granulomatosis with Polyangiitis (Wegenerβs granulomatosis)
- +triad of sinusitis, hemoptysis, hematuria
Most common cause of hemoptysis in adults
Chronic bronchitis
(productive COPD)
COPD
Exacerbations are most commonly triggered by
URIs
Thus, may present with fever
Pleural plaques on CXR
Asbestosis
Navy shipyard work
Asbestosis
Drug-induced pulmonary fibrosis
Amiodarone, Bleomycin, Busulfan, MTX, Nitrofurantoin
Restrictive PFTs w/ normal DLCO
OHS, MG, ALS
(not ILD; extrinsic)
Most common adverse effect of low-dose inhaled corticosteroids
Thrush
Normal A-a gradient (oral candidiasis)
Normal A-a gradient
<15 and increases with age
Elevated A-a gradient regardless of age
>30
Normal A-a gradient hypoxemia causes
- Altitude (reduced inspired O2 tension)
- Hypoventilation
- Increased A-a gradient hypoxemia causes:
- V/Q
- R-L Shunt
- Diffusion Limitation
Anaerobic PNA is higher risk in
Alcoholics, Dysphagia
(foul-smelling sputum)
Low bicarbonate
metabolic acidosis
AAT presentation age
40s in nonsmokers, 30s in smokers
Rhinosinusitis + Hemoptysis + Hematuria
GPA
(Wegener)
Asthma Tx:
Asthma Tx
- SABA
- +ICS low-dose
- +LABA or ICS med-dose
- ICS med-dose + LABA
- ICS high-dose + LABA
- +oral corticosteroid
- Consider omalizumab for pts w/ allergies
Markedly decreased L breath sounds immediately after intubation
Malpositioned ETT
(R main bronchus)
Positive bronchodilator response
(>12%) in FEV1
Asthma, always, 100% of the time.
Ring sign or tram-track sign on CXR
Bronchiectasis
How to confirm diagnosis of bronchiectasis
HRCT
(High-res CT)
Diffuse BL interstitial infiltrates in imcx
PJP
(PCP)
Fever, chest pain, hemoptysis triad + halo sign on CXR in imcx
Invasive aspergillosis
+galactomannan in serum
Invasive aspergillosis
CXR: Nodules w/ surrounding ground-glass opacities
Invasive aspergillosis
(βHaloβ sign)
Peripheral lung cancer
Adenocarcinoma vs. Large cell carcinoma
Infusion of NS may worsen hyponatremia in patients with ___
SIADH
Elevated AFP only
Hepatoblastoma/HCC
Elevated AFP + B-hCG
Non-seminomatous germ cell tumor
Elevated B-hCG only
Seminomatous tumor
Anterior Mediastinal Mass
β4 Tβsβ
- Thymoma
- Thyroid neoplasm
-
Teratoma (+ other germ cell tumors)
- Seminomatous - Elevated B-hCG (30%), Normal AFP
- Non-seminomatous - Elevated B-hCG, Elevated AFP (yolk sac, choriocarcinoma, embryonal carcinoma, mixed germ cell) -
- βTerribleβ Lymphoma
Lung disease superimposed on cavitary TB
CPA
Chronic Pulmonary Aspergillosis
Localized airway obstruction
(e.g. recurrent PNA in same anatomic location)
CT Scan
(for malignancy)
____ improves mortality in patients with ARDS
LTVV
Most common cancer in pts
w/ asbestos exposure
Bronchogenic carcinoma
(pleural mesothelioma is actually much more rare)
Honeycombing
- Asbestosis
- Eosinophilic granuloma
- Bronchiectasis
Normal/High FEV1/FVC
Restrictive
- +Decreased DLCO = ILD
- +Normal DLCO = Chest wall weakness
Low FEV1/FVC
Obstructive
- +Decreased DLCO = COPD
Central lung cancer
SCC or SCLC
Lung cancer + hypercalcemia
SCC of lung
Lung cancer + clubbing + HPOA
Adenocarcinoma
Lung cancer + Cushing syndrome
SCLC
Lung cancer + SIADH
SCLC
Lung cancer + Lambert-Eaton syndrome (LE)
SCLC
Lung cancer + Gynecomastia/Galactorrhea
Large Cell Carcinoma of the lung
Lung cancer + e/o necrosis/cavitation
SCC
Most common primary lung cancer in smokers and non-smokers
Adenocarcinoma
Most common complications of near drowning
- ARDS
- Brain damage (increased ICP or cerebral edema)
- Arrhythmias
- Acidosis (metabolic or respiratory)
- ATN (2/2 prolonged hypoxemia/shock)
Tx for Hypersensitivity Pneumonitis or Sarcoidosis
Steroids
(Glucocorticoids)
Rule out TB before initiating these treatments:
- Glucocorticoids (e.g. for hypersensitivity pneumonitis or sarcoidosis)
- MTX