10 results
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
angiitis (40%) • Drug-induced ... vasculitis (20% ... #dermpath #dermatology ... #semiology #signs ... pathology #lesions #differential
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Ill-appearing, vital sign ... New-onset fever with rash ... anti-convulsant or sulfa-drug ... #Rash #Maculopapular ... Targetoid #Algorithm #Differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... • Drug Associated ... mucositis - Rash ... purpura: strong sign ... differential #diagnosis
Maculopapular Rashes - THE ALGORITHMIC APPROACH 

The term maculopapule is a portmanteau, a combination
of macule and
febrile have a wide differential ... rashes but without signs ... with either a drug ... have a broader differential ... #Diagnosis #Dermatology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... abscess • Toxic/drug ... Lack of UMN/LMN signs ... #Weakness #Differential ... #Diagnosis #neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... atherosclerotic disease, drug ... purpura: Strong sign ... , mucositis • Rash ... viral infection, drug
Bradycardia
1) First Steps: IV, O2, Monitors, ECG, Pads on patient, Crash Cart in room. Is patient
Pads on patient, Crash ... worsening brady, Signs ... sedative & pain medication ... Patients DIE: Drugs ... bradycardia #diagnosis #differential
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
autoimmune conditions, medications ... of necrotizing vasculitis ... malignancies, and drugs ... comparison #table #differential ... #diagnosis #dermatology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... hematuria • Signs ... Diagnostic of GN or vasculitis ... Postpartum • Drugs ... causes #urology #nephrology
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
- Rash: multiple ... Episcleritis Signs ... - Drug induced ... Leukocytoclastic vasculitis ... Syndrome #diagnosis #dermatology