13 results
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Neoplastic / Hematologic ... Chronic Obstructive Pulmonary ... Disease Neurologic ... • Drug Abuse (e.g ... Syndrome #Chronic
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
La) - Sjogren's syndrome ... - Vasculitis, e.g ... - Vasculitis, e.g ... #diagnosis #table ... #rheumatology #
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
interstitial lung diseases ... PSS: Sjogren syndrome ... #Differential #Comparison ... #Table #Pulmonary ... #Rheumatology #
Summary of Coagulation Deficiencies
Inherited:
 • Hemophilia A - Deficiency of Factor VIII
 • Hemophilia B -
Malabsorption (e.g ... warfarin, DOACs (e.g ... Autoimmune disorders (e.g ... #comparison #diagnosis ... #hematology #deficiency
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Hypereosinophilic Syndrome ... mild; +systemic: fatigue ... #pulmonary #differential ... #diagnosis #comparison ... #table #eosinophilia
Urine Microscopy Crystals
Uric Acid crystals:
 - Formation promoted by acidic urine
 - Seen in tumor lysis
in tumor lysis syndrome ... specific systemic disease ... urease-producing organisms (e.g ... Microscopy #Crystals #comparison ... #table #urinalysis
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
GI - Felty syndrome ... Pulmonary ... Spondyloarthropathies, SLE • Pulmonary ... , Vasculitis (e.g ... differential #diagnosis #rheumatology
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
post-sarcoidosis fatigue ... of diagnosis (e.g ... Self-limiting, chronic but stable ... Pulmonary: dyspnea ... acute sarcoidosis Pulmonary
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Clinical evidence of (fatigue ... • Malignancy (e.g ... . hematologic) ... Endocrine disorders (e.g ... vein thrombosis Hematologic
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
night sweats, fatigue ... antibiotics once stable ... shows a small, stable ... • Vasculitis (e.g ... Lung #Abscess #pulmonary