23 results
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
or absence of fever ... If fever is present ... disease, scarlet fever ... but without a fever ... #Diagnosis #Dermatology
Sweet’s Syndrome - Acute febrile neutrophilic dermatosis 

The syndrome involves fever, painful rash, neutrophilic leukocytosis, and
Sweet’s Syndrome ... involves fever, ... #Sweets #Syndrome ... neutrophilic #dermatosis #dermatology ... #Rash #Skin #Clinical
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
of Acute Onset Fever ... Meningitis • Skin ... Neuroleptic malignant syndrome ... disease • Drug fever ... #Fever #Acute
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Diagnosis Algorithm ... • Xerosis (dry skin ... Myelodisplastic syndrome ... #generalized #dermatology ... Diagnosis #Algorithm
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic Algorithm ... instability - New-onset fever ... sulfa-drug - Skin ... #Diagnosis #Dermatology ... #Differential #
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Skin Conditions ... • Rheumatic fever ... Antiphospholipid-antibody syndrome ... Sarcoidosis #dermatology ... #rashes #differential
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
initiation of smoking; Fever ... brown sputum, fever ... Hypereosinophilic Syndrome ... loss; CV, CNS, skin ... Travel hx, food hx; Fever
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... Pneumonia: • 3 syndromes ... • Polymorphic skin ... , • Multiple skin ... #diagnosis #infectiousdiseases
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... Kasabach-Merritt syndrome ... mountain spotted fever ... #nonpalpable #dermatology
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential ... SAPHO syndrome ( ... Pustules + Fever ... Sweet syndrome ... #Diagnosis #Dermatology