OnlineMedEd: Pulmonology - "DPLD" Flashcards

1
Q

What is DPLD?

A

Diffuse Parenchymal Lung Disease

This is the new name for interstitial lung disease.

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2
Q

Describe the typical presentation of DPLD?

A
  • Chronic, insidious hypoxemic lung disease (years-long development of SOB)
  • Dry cough
  • Crackles on exam
  • Restrictive lung pattern on PFTs
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3
Q

VATS is _______________.

A

video-assisted thoracoscopic surgery

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4
Q

The definitive diagnosis of DPLD is with _______________.

A

biopsy of the lungs through VATS

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5
Q

Regardless of the etiology, the mainstay of treatment for DPLD is ______________.

A

steroids

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6
Q

Give the diagnosis of DPLD based on time.

A
  • Less than 6 weeks: acute interstitial pneumonitis (AIN)

* Greater than 6 weeks: idiopathic pulmonary fibrosis (IPF)

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7
Q

List three rheumatologic conditions that can cause pulmonary fibrosis.

A
  • Systemic lupus erythematosus
  • Rheumatoid arthritis
  • Systemic sclerosis
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8
Q

Break down the categories of causes of DPLD.

A
  • Drug-induced: bleomycin, amiodarone, radiation, methotrexate
  • Rheumatologic: RA, SLE, and SS
  • Primary: sarcoidosis
  • Environmental: pneumoconiosis (coal, silicosis, berylliosis), hypersensitivity pneumonitis, asbestosis
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9
Q

Cardiac sarcoidosis is diagnosed by _______________.

A

cardiac MRI (showing inflammation) followed by endocardial biopsy

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10
Q

Why is hypersensitivity pneumonitis an important diagnosis to make?

A

It is antigen-mediated. The symptoms go away when the person is no longer exposed to the causative factor (barn dust, birds), so treatment is with removal of the agent.

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