11 results
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
- THE ALGORITHMIC ... APPROACH Characterized ... by diffuse redness ... #Diagnosis #Dermatology ... Rash #Algorithm
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... required • Lupus erythematosus ... Discoid lupus erythematosus ... #Diagnosis #Algorithm ... #causes
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin Rash ... Herpes zoster (shingles ... systemic lupus erythematous ... drug eruption #Vesicular ... #causes
Vesiculobullous Rashes - THE ALGORITHMIC APPROACH 
Vesiculobullous rashes provoke significant angst
in many physicians (Figure 5, page
APPROACH Vesiculobullous ... and a fever may ... #Diagnosis #Dermatology ... #Vesicular #Vesiculobullous ... #Rash #Algorithm
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
weight loss, and fever ... and permanent alopecia ... pneumonitis • Diffuse ... enteropathy, and diffuse ... to: Arthritis, Fever
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Diffuse Hair Loss ... Diagnosis Algorithm ... required • Lupus erythematosus ... #dermatology #Differential ... #causes
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Diagnosis Algorithm ... Disruptions in vascular ... Red Flags: • Fever ... #Causes #dermatology
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
Algorithm - Approach ... epistaxis), skin (alopecia ... maculopapular rash ... vesicular rash, ... Nephrocalcinosis causes
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
Color: o Red or erythematous ... or hematologic ... Seen in systemic causes ... (e.g., scarlet fever ... Drug Reactions: Diffuse
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... and bullous or vesicular ... Coronary arteries - Fever ... mucositis - Rash ... Vasculitis: • Fevers