10 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... infection Malar rash ... lesions • Discoid lupus ... Sarcoidosis #dermatology ... differential #diagnosis #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Photosensitivity, Butterfly rash ... Glomerulonephritis Myositis(5%) Blood ... Leucopenia/lymphopenia, Thrombocytopenia ... #Lupus #SLE #systemic ... symptoms #diagnosis #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
vs SLE Drug Induced ... NPSLE rare, Malar rash ... Manifestations: Malar rash ... #sle #comparison ... #table #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
69% - Malar rash ... Neurological 12% - Thrombocytopenia ... involvement 3% SLE-Related ... Lupusreference #SLE ... #differential #rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial Rash ... : • Palpable Rash ... • Non-Palpable Rash ... : • Palpable Rash ... • Non-Palpable Rash
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... plateletcount), peripheral blood ... PLT in selected cases ... test, ANA (e.g., SLE ... Causes #Workup #hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Petechial or purpuric rash ... erythematosus [SLE ... leukopenia, anemia, and thrombocytopenia ... Diagnosis #Management #Hematology ... #Rheumatology
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Blood Product Transfusions ... Reduced RBC • Washed ... maculopapular rash ... purpura & severe thrombocytopenia ... diagnosis #management #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
mucositis - Rash ... such as systemic lupus ... Large Vessel: Blood ... vasculitis, and SLE ... differential #diagnosis #rheumatology
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
Blood Transfusion ... the banked donor blood ... maculopapular rash ... purpura & severe thrombocytopenia ... diagnosis #management #hematology