47 results
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous ... Skin Rash - Differential ... foliaceus - Infectious ... • Bullous systemic ... Diagnosis #Algorithm #causes
SKIN RASHES 



Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune
factors, including infections ... allergens, immune system ... rashes into these classes ... petechiae; #purpura; #rash ... ; #vesiculobullous
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... parvovirus B19 infection ... Malar rash ... Antiphospholipid-antibody syndrome ... differential #diagnosis #rheumatology
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Adult-Onset Still's Disease ... arthritis, Skin rash ... Diaqnoses: • Infectious ... solid cancers • Systemic ... management #treatment #rheumatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
or systemic), malignancies ... early localized disease ... called "Bazin's disease ... so-called fifth disease ... multiforme • Acute systemic
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
stages of this disease ... characterized by a systemic ... treatment, the infection ... resembling rashes caused ... by other diseases
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Macrophage Activation Syndrome ... highly inflammatory disease ... Petechial or purpuric rash ... SLE], AOSD) • Infection ... #Rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Clinical Features of Systemic ... Photosensitivity, Butterfly rash ... Demyelinating syndromes ... pain (20%) Renal disease ... symptoms #diagnosis #rheumatology
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
arthritis - (Reiter’s syndrome ... within 1 month of infection ... autoimmune disease ... Lupus - with Systemic ... like “butterfly rash
Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Hypertension - BP > 140/90 (>130/80 for DM)
Hypertensive urgency
Renal Parenchymal Diseases ... • Bilateral RAS ... Sympathetic nervous system ... • Unilateral RAS ... HTN #Secondary #Nephrology