21 results
Forced vital capacity (FVC) curves comparing normal, obstructive, and restrictive disorders. Curves are as they appear
commonly available spirometers ... #Diagnosis #Pulmonary ... #Spirometry #FVC ... Restrictive #Normal #Comparison
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
Patterns of pulmonary ... For comparison, ... Diagnosis #PFTs #Spirometry ... Loops #Patterns #Comparison ... #Normal #pulmonary
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
#Differential #Comparison ... #Table #Pulmonary ... #Rheumatology # ... Associations
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Variably abnormal spirometry ... bronchodilator, Spirometry ... Persistently abnormal spirometry ... #Asthma #COPD #comparison ... #Diagnosis #pulmonary
Idiopathic Inflammatory Myopathies - 
Dermatomyositis (DM), Immune-Mediated Necrotizing Myopathy (IMNM), Antisynthetase Syndrome (ASS), Inclusion Body Myositis
Body Myositis (IBM ... Idiopathic #Myopathy #Comparison ... Managment #algorithm #Rheumatology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
their Disease Associations ... Celiac disease Anti-GBM ... Autoantibodies #Associations ... diagnosis #table #rheumatology
HHV8/KSHV-reIated diseases: From Cellular Proliferation to Hyperinflammation
Kaposi sarcoma (KS):
 • Target organs: Ubiquitous (cutaneous and mucosal
endothelium • Association ... HIV/EBV: Yes/No ... pre-GC B cells • Association ... differentiated B cells • Association ... HHV8 #diseases #comparison
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Henoch-SchonIein Purpura Anti-GBM ... to Kidney: Anti-GBM ... With associated pulmonary ... involvement: Anti-GBM ... diagnosis #algorithm #rheumatology
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Mycoplasma, HIV, EBV ... Hemolytic #Anemia #hematology ... #diagnosis #comparison
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
Causes and clinical associations ... Urticaria #diagnosis #rheumatology ... #comparison #table