45 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... interstitial pneumonia (AIP ... Churg Strauss syndrome ... #diagnosis #differential ... #pulmonary #causes
Streptococcal Toxic Shock Syndrome (STSS)
Complication of invasive GAS disease characterized by shock & MOF → occurs
of invasive GAS disease ... GAS in 30% of cases ... kidneys, liver, lung ... /ARDS, coagulopathy ... #STSS #treatment
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Respiratory Distress Syndrome ... be detected on CT ... the underlying cause ... RespiratoryDistress #Syndrome ... #CheatSheet #Diagnosis
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... head and neck, pancreas ... biliary, renal, lung ... concentration PET-CT ... IgG4 #Related #Disease
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Most common cause ... lat decubitus - air ... seen • Chest CT ... #differential #causes
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
ACTH-Dependent (Secondary):
 • Pituitary Dysfunction
 • Hypothalamic Dysfunction
ACTH-Independent (Primary):
Causes of Adrenal ... Polyglandular Autoimmune Syndrome ... Disseminated Fungal, HIV/AIDS ... Granulomatous Disease ... Insufficiency #AI
Preterm Infant Complications - Differential Diagnosis
Respiratory:
 • Transient Tachypnea of the Newborn (TTN)
 • Respiratory Distress
Respiratory Distress Syndrome ... RDS) • Chronic Lung ... Disease (CLD) ... of Prematurity (AOP ... #Causes #Peds #
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura in severe cases ... - Dynamic air ... Respiratory Distress Syndrome ... (ARDS): - Bilateral ... #differential #diagnosis
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... Hypoventilation Syndrome ... : Atelectasis, ARDS ... , Interstitial Lung ... #differential #diagnosis
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... Most Common Causes ... in the adjacent lung ... high-resolution chest CT ... mycobacteria Treatment