141 results
Cystic Lung Disease
Upper Lobe Predominant: 
Langerhans Cell Histiocytosis, Pneumocystis Jiroveci, Hypersensitivity Pneumonitis, Neurofibromatosis Type 1, Paracoccidioidomycosis,
Cystic Lung Disease ... Ehlers-danlos Syndrome ... Birt-Hogg-Dubé Syndrome ... nickmmark #Cystic #Lung ... #Disease #differential
Lung Ultrasound: Cardiogenic Pulmonary Edema vs ARDS
Cardiogenic Pulmonary Edema:
 • Smooth pleural line
 • AIS >
Cardiogenic Pulmonary ... ARDS Cardiogenic Pulmonary ... Non-cardiogenic pulmonary ... Areas of sparing ... edema #comparison #clinical
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
, pulmonary congestion ... disease, idiopathic pulmonary ... due to alveolar syndrome ... fibrotic alveolar syndrome ... #Clinical #Diagnosis
Lung Abscess
Microbiology:
 • Polymicrobial 
 • Anaerobes (most common) 
Clinical: 
 • Indolent symptoms that evolve
Lung Abscess Microbiology ... most common) Clinical ... , hemoptysis Treatment ... Abscess #Diagnosis #Pulmonary ... #Clinical #CXR
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
Hemoptysis - Differential ... westermani, PNA, Lung ... , Idiopathic pulmonary ... Osler-Weber-Rendu syndrome ... #Diagnosis #pulmonary
Hepatopulmonary Syndrome (HPS) 

HPS-differential diagnosis:
1. Pulmonary vasculature
2. Diseases of the lung parenchyma
3. Pleura and diaphragm

HPS-diagnosis:
1. Patients
Hepatopulmonary Syndrome ... (HPS) HPS-differential ... Pulmonary vasculature ... Diseases of the lung ... Hepatopulmonary #Syndrome
Elevated Transaminases / Transaminitis - Differential Diagnosis

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
Transaminitis - Differential ... Infiltration- often breast ... CA, small cell lung ... Vascular: Budd-chiari syndrome ... Sinusoidal obstruction syndrome
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... • Interstitial lung ... disease • Pulmonary ... Hypoventilation Syndrome ... Hypoxemia #Hypoxia #Differential
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
• Idiopathic pulmonary ... Churg Strauss syndrome ... Acute, Chronic • Pulmonary ... ILD #diagnosis #differential ... #pulmonary #causes
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... obesity-hypoventilation syndrome ... : Interstitial lung ... hepatopulmonary syndrome ... Failure #hypoxia #Differential