23 results
Causes of Diffuse Lung Disease. 
Collagen vascular 
 - Scleroderma 
 - Rheumatoid arthritis 
 -
Lung Disease. ... arthritis - Dermatomyositis ... chemotherapy #Diagnosis ... #Pulmonology #Differential ... #Lung #Disease.
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - ... Differential Diagnosis ... refer + order CT ... disease #Chronic ... #causes
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... , Polymyositis-dermatomyositis ... pneumonia: Acute, Chronic ... #diagnosis #differential ... #pulmonary #causes
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... heavy metals), Critical ... , Polymyositis/dermatomyositis ... #differential # ... diagnosis #neurology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Most common cause ... pneumonia • Chronic ... Lung Abscess - Clinical ... seen • Chest CT
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Clinical Classification ... Interstitial lung ... Classification #Diagnosis ... #Differential # ... Causes
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
inflammation causes ... Nasal polyps and signs ... high-resolution chest CT ... Bronchiectasis #pulmonary #differential ... #diagnosis
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
chest (in a V-sign ... auricular papules Clinical ... severity of the disease ... anti-NXP2 Abs Lung ... #dermatology #diagnosis
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... Autoimmunity • Chronic ... lung disease ... Chest CT: • Ground-glass ... DDX - Other causes
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Differential Bilat ... disease, interstitial ... partially seen shred sign ... NOT definitively diagnose ... #POCUS #clinical