13 results
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... • Can be induced ... • Can be associated ... • A chronic skin ... comparison #table #differential
SKIN RASHES 



Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune
immune system disorders ... the presence of fever ... and systemic signs ... DharSaty #erythema ... petechiae; #purpura; #rash
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Rare Disorder: ... onset of a rash ... - Rash: multiple ... Episcleritis Signs ... Causes: - Idiopathic
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... Vasculitis - Collagen disorders ... Red Flags: • Fever ... cryoglobulins • Skin ... #dermatology #physicalexam
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... • CT: Halo sign ... • Polymorphic skin ... • Lung Exam: Can ... Infections #HIV #AIDS
Summary table of common benign breast diseases and how to manage them. 
Fibroadenoma:
 • Most common
surrounding tissue • Can ... area of bruising/erythema ... /sign of trauma ... pus just under skin ... Patient may have fever
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
• Headache • Fever ... Maculopapular rash ... Acute meningeal signs ... (fever, nuchal ... • Uveitis • Rash
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... Mechanical/degenerative disorders ... noninflammatory Signs ... Monoarthritis (>6 weeks) Can ... Be Caused By:
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
associated with signs ... temples, upper lip - Tan ... honey-colored crusts ... #dermatology #rash ... #differential #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... mucositis - Rash ... arterial aneurysms can ... Vasculitis: • Fevers ... purpura: strong sign