22 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... • Idiopathic pulmonary ... Churg Strauss syndrome ... #differential #pulmonary ... #causes
Causes of Cough and Hemoptysis
Acute Inflammation 
 - Laryngitis 
 - Tracheobronchitis 
 - Mycoplasma and
Mycoplasma and Viral Pneumonias ... - Bacterial Pneumonias ... Tuberculosis - Lung ... Cancer of the Lung ... #Table
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
sliding/barcode sign ... pleura reflection) Pneumonia ... Consolidations - "Shred" sign ... pleura in severe cases ... Acute Respiratory Distress
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... • CT: Halo sign ... Legionella: • Nausea ... factor • May cause ... Infections #HIV #AIDS #pulmonary
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... • Infectious Causes ... Non-Infectious Causes ... Dermatomyositis, Lung ... Reverse #Halo #Sign
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... Lymphangioleiomyomatosis (LAM), • Pulmonary ... leaking out of pulmonary ... Amy Chung, MD, MSc ... Diseases #ILD #Causes
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
of interstitial lung ... Unknown • 6-7 cases ... studies legionella/strep ... , Pulmonary lymphoma ... #COP #BOOP #pulmonary
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... indicates unknown cause ... involvement of the lung ... listed in the table ... Diagnosis #Radiology #Pulmonary
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Bilateral B-Lines in case ... of Pneumonia on ... sliding: Pulmonary ... had Mycoplasma pneumonia ... partially seen shred sign
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... : Aspiration pneumonia ... Aeruginosa - Strep ... #Abscess #pulmonary ... #differential #causes