147 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... lymphoproliferative disease ... lesions • 80% with lung ... • Metastatic disease ... diagnosis #causes #radiology
Cystic Lung Disease
Upper Lobe Predominant: 
Langerhans Cell Histiocytosis, Pneumocystis Jiroveci, Hypersensitivity Pneumonitis, Neurofibromatosis Type 1, Paracoccidioidomycosis,
Cystic Lung Disease ... Ehlers-danlos Syndrome ... (LCDD), Cystic Pulmonary ... Birt-Hogg-Dubé Syndrome ... nickmmark #Cystic #Lung
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS ... Hypoventilation Syndrome ... Hepatopulmonary Syndrome ... Embolism, Obstructive Lung ... , Interstitial Lung
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Diseases (ILD) ... • Idiopathic pulmonary ... Churg Strauss syndrome ... Acute, Chronic • Pulmonary ... #differential #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 ... Pulmonary vasculature ... Diseases of the ... lung parenchyma ... Patients with liver disease
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Secondary to chronic lung ... disease (COPD) ... • Hypoxia • Pulmonary ... hypertension Management ... Tachycardia #MAT #Cardiology
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
CNS Ring-Enhancing ... Malignancy: Metastases (lung ... Demyelinating Disease ... StanfordChiefs #CNS ... Diagnosis #neurology #radiology
Causes of Sudden Cardiac Arrest
Primary Myocardial Processes (> 90%):
 • Acquired structural heart disease: CAD, Most
structural heart disease ... Congenital heart disease ... structural heart disease ... VT* • Acquired long ... Cardiac #Arrest #cardiology
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Radiographic Features of Pulmonary ... Diseases - Pneumonia ... Emphysema - Pulmonary ... #Diseases #Radiology ... #Patterns #Lung
Algorithm for Treatment of Chronic Thromboembolic Disease (CTEPH)
Initial Imaging for Screening - V/Q scan - 90-100%
Thromboembolic Disease ... • Assess for Pulmonary ... ) • Consider Lung ... karanpdesai #cteph #management ... #algorithm #cardiology