19 results
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - ... Differential Diagnosis ... Mono (EBV, CMV), Acute ... #Rash #Differential ... #Diagnosis #dermatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... • Rheumatic fever ... lesions • Discoid lupus ... #skin #rashes #differential ... #diagnosis #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
(SLE) General: Fever ... Photosensitivity, Butterfly rash ... Pericarditis, Endocarditis ... signs #symptoms #diagnosis ... #rheumatology
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
everywhere) 2) A rash ... the face (many differential ... ; sometimes « viral ... 9) Unexplained fever ... erythematosus #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
69% - Malar rash ... 40% - Fever 36% ... (aPL) 30-45% Differential ... Diagnosis and Lupus ... #rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Diagnosis Algorithm ... Red Flags: • Fever ... Schonlein Purpura - Endocarditis ... Autoimmune Vasculitis (lupus
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
muscle weakness, rash ... proximal joints, Fever ... Myopathies #myopathy #differential ... #diagnosis #comparison ... #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
weight loss, and fever ... Classification: • Acute ... permanent alopecia Differential ... • Libman-Sacks endocarditis ... #Rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- APLS • Acute ... mountain spotted fever ... • Bacterial endocarditis ... #Diagnosis #hematology ... #rheumatology #
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Subacute bacterial endocarditis ... Cardiovascular system • Mitral ... - Bacterial endocarditis ... #joint #pain #differential ... #diagnosis #rheumatology