422 results
Diagnosis and Management of Hypocomplementemic Urticarial Vasculitis (HUV)

Diagnosis of HUV
1) Chronic urticaria 
2) Leukocytoclastic vasculitis 
3)
Diagnosis and Management ... Hypocomplementemic Urticarial ... Vasculitis (HUV) Diagnosis ... HUV 1) Chronic urticaria ... #Management #Rheumatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Involving the Skin - Differential ... Diagnosis Framework ... bullae, Ulceration, Urticaria ... - Anti-C1q (Urticarial ... differential #diagnosis
Polycythemia (Erythrocytosis) - Pathophysiology

#Polycythemia #Erythrocytosis #Pathophysiology #hematology #algorithm #differential #diagnosis
Erythrocytosis) - Pathophysiology ... Erythrocytosis #Pathophysiology ... #hematology #algorithm ... #differential # ... diagnosis
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology ... Hypocomplementemic Urticarial ... Hypocomplementemic #Urticarial ... Vasculitis #HUV #Pathophysiology ... #Rheumatology
Petechiae / Purpura - Differential Algorithm by Pathophysiology

Dr. Zaven Sargsyan @sargsyanz

#Petechiae #Purpura #Differential #Algorithm #Pathophysiology #diagnosis
Petechiae / Purpura - Differential ... Algorithm by Pathophysiology ... Petechiae #Purpura #Differential ... #Algorithm #Pathophysiology ... #diagnosis #dermatology
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash - Differential ... Diagnosis Algorithm ... morphology • Urticaria ... Reactive #SkinRash #dermatology ... #Differential #
Pruritus - Primary Skin Lesion - Differential Diagnosis Algorithm
Macules / Papules / Plaques:
 • Xerosis (dry
Skin Lesion - Differential ... Diagnosis Algorithm ... Wheals/Hives: • Urticaria ... Pruritus #primary #dermatology ... #Differential #
Urticaria Mimics

Conditions That May Be Confused with Urticaria

Arthropod bites 
, Atopic dermatitis 
, Bullous pemphigoid 
,
Urticaria Mimics ... Confused with Urticaria ... Viral exanthem #Diagnosis ... #Differential # ... Urticaria #Mimics
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
Cold Urticaria Prevalence ... Disorientation, vertigo Diagnostic ... Chronic inducible urticarias ... .14674 #Cold #Urticaria ... #diagnosis #rheumatology
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Pancytopenia - Differential ... Diagnosis Algorithm ... and non-hematologic ... #Neutropenia #Differential ... #Diagnosis #Algorithm