22 results
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
associated with rheumatologic ... presentation of systemic lupus ... trapezius ridges or shoulders ... #Presentation #comparison ... #Table #Diagnosis
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint Pain ... B19 infection Malar ... lesions • Discoid lupus ... #skin #rashes #differential ... #diagnosis #rheumatology
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Rheumatica • Pain ... Diffuse muscle pain ... Myopathies #myopathy #differential ... #diagnosis #comparison ... #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Arthritis 69% - Malar ... (aPL) 30-45% Differential ... Diagnosis and Lupus ... symptoms #mimickers #differential ... #rheumatology
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
SLE : systemic lupus ... LungDisease #CTILD #Diagnosis ... #Differential # ... Comparison #Table ... #Pulmonary #Rheumatology
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
common sites: hip, shoulder ... • Differentiate ... SickleCell #Disease #differential ... #diagnosis #causes ... #hematology
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
Inflammatory joint pain ... and fingers, or pain ... the face (many differential ... diagnoses, including ... erythematosus #rheumatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... usually IgG) (e.g. lupus ... • Infections: Malaria ... Extravascular #Causes #differential ... #diagnosis #hematology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
& NPSLE rare, Malar ... Manifestations: Malar ... #sle #comparison ... #table #rheumatology ... #diagnosis #management
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
assay (IFA) is the main ... healthy adults, and should ... , Drug-induced Lupus ... ANA #patterns #rheumatology ... #diagnosis #differential