26 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Hypersensitivity pneumonitis ... ILD caused by inhalation ... • Radiation pneumonitis ... , Polymyositis-dermatomyositis ... differential #pulmonary #causes
ILD of Known Cause - Differential Diagnosis
Exposure:
 • Occupational: Asbestosis, Silicosis, Hypersensitivity, Pneumonitis
 • Treatment Related:
ILD of Known Cause ... Hypersensitivity, Pneumonitis ... Polymyositis, Dermatomyositis ... BrighamChiefs #ILD ... #Causes #Differential
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Differential Diagnosis Algorithm ... this should be 1° ... Chronic Radiation Pneumonitis ... #ILD #Causes #Differential ... #Diagnosis #Algorithm
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
severity of the disease ... and ILD • Liver ... increases and ILD ... Phenotype 1 ... #rheumatology #
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
erythematosus 1. ... Polymyositis and dermatomyositis ... 1. ... antibodies #diagnosis #rheumatology ... #diseases
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Differential Diagnosis Algorithm ... Inflammatory: • IBD ... disorders • Celiac disease ... #Causes #Hematology
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Differential Diagnosis Algorithm ... Oligoarticular (1- ... (Polymyositis/Dermatomyositis ... Differential #Diagnosis #Algorithm ... #Orthopedics #Causes
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... causes differentiated ... involvement: Anti-GBM Disease ... differential #diagnosis #algorithm ... #rheumatology
Fatigue and IBD Algorithm
 • 40-50% patients have fatigue despite clinical remission
 • Risk factors: BMI,
Algorithm • 40- ... fatigue despite disease ... control • 1/3 ... /other causes • ... #Algorithm #diagnosis
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... cytokines (TNFa,lL1, IL6 ... • Autoimmune diseases ... Drugs, Unknown cause ... treatment #summary #rheumatology