37 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Interstitial Lung ... (COP), Respiratory ... pneumonia (DIP) ... pneumonia (AIP) ... Churg Strauss syndrome
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Differential Diagnosis ... UIP) Usual Interstitial ... Intersitial Pneumonia ... Interstitial Pneumonia ... leaking out of pulmonary
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
lung diseases ... interstitial pneumonia ... I-JIP: usual interstitial ... AIP: acute interstitial ... PSS: Sjogren syndrome
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
on Lung POCUS ... Differential Bilat ... : Pulmonary edema ... lung disease, interstitial ... #Lung #POCUS #clinical
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Thickening of the interstitium ... lung disease (i.e ... predominance: UIP ... Diagnosis #Radiology #Pulmonary ... #GroundGlass #Differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... : • 3 syndromes ... fever, rales, interstitial ... Infections #HIV #AIDS #pulmonary ... #differential #
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... Hypoventilation Syndrome ... Atelectasis, ARDS, Pneumonia ... Lung Disease ... Hypoxia #hypoxemia #differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Failure - Differential ... obesity-hypoventilation syndrome ... oxygen • Causes: Interstitial ... hypoxemia • Causes: Pneumonia ... hepatopulmonary syndrome
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... Limitation • Interstitial ... lung disease ... Malformation • Severe Pneumonia ... Hypoventilation Syndrome
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura reflection) Pneumonia ... severity Acute Respiratory ... Distress Syndrome ... #differential # ... #POCUS #ultrasound