Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG: https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
/purpura with fever ... /purpura with fever ... or purpuric rash ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
- THE ALGORITHMIC ... rash but without ... #Diagnosis #Dermatology ... Rash #Algorithm ... #Differential
Combination of Skin Findings and Arthritis in Pediatrics Patient - Differential Diagnosis
Malar rash: 
 β€’ A
Pediatrics Patient - Differential ... butterfly-like erythematous ... Suggestive of: Rheum Fever ... gabrieltalledop #dermatology ... arthritis #skin #differential
Vesiculobullous Rashes - THE ALGORITHMIC APPROACH 
Vesiculobullous rashes provoke significant angst
in many physicians (Figure 5, page
Vesiculobullous Rashes - THE ALGORITHMIC ... and a fever may ... localized lesions and fever ... #Diagnosis #Dermatology ... #Algorithm #Differential
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... 69% - Malar rash ... 40% - Fever 36% ... (aPL) 30-45% Differential ... #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 ... 9) Unexplained fever ... clues #system #erythematosus ... #rheumatology
Erythemas Summarized
Erythema ab igne
 β€’ A dermatosis that results from repeated exposure to heat (fires, heating
known as rat bite fever ... or Haverhill fever ... presenting with erythematous ... comparison #table #differential ... #diagnosis #dermatology
Symmetrical Drug-Related Intertriginous and Flexural Exanthema (SDRIFE)

49M +burning rash groins/buttocks (pic in next thread) x 1d.
49M +burning rash ... No fever. 120/80 ... well-demarcated, erythematous ... Washington University ID ... clinical #photo #dermatology