38 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... palms/soles - Differential ... diagnosis: secondary ... nummular eczema, tinea ... #dermatology #photo
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Rash • Human ... infection Malar rash ... • Rheumatic fever ... gangrenosum • IBD ... differential #diagnosis
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
redness of the skin ... , the differential ... erythematous rash ... #Erythematous #Rash ... #Differential
Biphasic Illness of Leptospirosis
Some patients do not progress to severe disease. Others, rapidly develop severe disease
-14 days): • Fever ... maculopapular rash ... vomiting, abdominal pain ... Biphasic #Phases #Diagnosis ... #Illness #Signs
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
, vital sign instability ... - New-onset fever ... sulfa-drug - Skin ... pain - Immunocompromised ... Targetoid #Algorithm #Differential
SKIN RASHES 



Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune
rapid and accurate diagnosis ... the presence of fever ... and systemic signs ... of illness should ... petechiae; #purpura; #rash
Combination of Skin Findings and Arthritis in Pediatrics Patient - Differential Diagnosis
Malar rash: 
 • A
Diagnosis Malar ... Suggestive of: Rheum Fever ... migrans: • Target sign ... #differential # ... diagnosis #peds
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... Episcleritis Signs ... Inflammation and pain ... influenza-like illness
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... Diagnosis Framework ... Cramps: • Muscle pain ... fatigue Heat Rash ... → Syncope • Signs
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Regions - Frequent Differential ... Diagnoses Medical ... without localizing signs ... • Abdominal pain ... #diagnosis #tropical