13 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
a.k.a. extrinsic allergic ... ILD caused by inhalation ... Churg Strauss syndrome ... #diagnosis #differential ... #pulmonary #causes
Eosinophilia - Differential Diagnosis Algorithm
Idiopathic Eosinophilia
Primary Eosinophilia:
 • Primary hypereosinophilic syndrome
 • Eosinophilic Leukemia
 • MPN/MDS
- Differential Diagnosis ... GI, lung, skin), ... eosinophilia) • Infectious ... , Eosinophilic pneumonia ... IBD Stanford Internal
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Bilateral B-Lines in case ... interstitial diffuse infections ... NOT definitively diagnose ... #Lung #POCUS #clinical ... #ultrasound
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
to Eosinophilic Lung ... loss, malaise • Allergic ... Hypereosinophilic Syndrome ... , CNS, skin • Infectious ... #differential #diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... Lung Abscess - Clinical ... of PCN allergy ... #differential #causes
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... • Chronic lung ... : Pneumonia • Autoimmune ... DDX - Other causes ... : • Nephrotic syndrome
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
- Differential Diagnosis ... Causes: • Still's ... fever • Hyper-IgD ... Brucellosis • Liver or lung ... #Differential #Diagnosis
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
• Domestic and wild ... status NTM Cause ... Lady Windermere Syndrome ... : • Syndrome of ... • Clinical (Symptoms
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
Amiodarone Induced Lung ... respiratory distress syndrome ... Exclude other causes ... failure - Infectious ... Exclusion of other ILDs
Hypereosinophilia Syndrome (HES) - Diagnosis and Management
Definition: An absolute eosinophil count (AEC) greater than 1500 and
eosinophil count (AEC ... than 1500 and clinical ... eosinophilia Secondary Causes ... : - Allergic disorders ... hypersensitivity - Infection