33 results
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
(3%) • Infections ... #semiology #signs ... #lesions #diagnosis ... #clinical #manifestations ... pathology #lesions #differential
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
integrity (trauma, infection ... , vasculitis) or ... commonly renal and pulmonary ... Dermatology #Rash ... Palpable #Algorithm #Differential
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Regions - Frequent Differential ... Diagnoses Medical ... without localizing signs ... melioidosis, typhoid, pulmonary ... #diagnosis #tropical
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Etiologies Unusual Infections ... pseudomallei, hanta virus ... disorders: - Vasculitis ... NonResolving #Pneumonia #diagnosis ... #pulmonary #differential
Cytomegalovirus (CMV) in HIV-AIDS Patients
Cytomegalovirus (CMV): double-stranded DNA virus, herpesvirus family.
CMV infection: virus isolation or detection
CMV infection: virus ... of symptoms or signs ... Pancreatitis • Pulmonary ... #differential # ... signs #symptoms
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... to exclude are infections ... purpura: strong sign ... differential #diagnosis ... #rheumatology #
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
Pathogenesis and Clinical ... Findings - Infectious ... i.e., influenza virus ... Pathophysiology #Diagnosis ... #Signs #Symptoms
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Diagnosis Framework ... Differential Diagnosis ... purpura: Strong sign ... Diagnosis #Rheumatology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Diagnosis Algorithm ... Neoplastic / Hematologic ... • Malignancy Infectious ... Epstein-Barr Virus ... Chronic Obstructive Pulmonary
Weakness - Differential Diagnosis Framework

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