1277 results
Approach to Elevated Tryptase - Differential Diagnosis Framework

The DDx of elevated tryptase can be broken down
infections • Chronic Urticaria ... Mastocytosis • Other hematologic ... Differential #Diagnosis #hematology
Diagnosis and Management of Hypocomplementemic Urticarial Vasculitis (HUV)

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

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
bullae, Ulceration, Urticaria ... - Anti-C1q (Urticarial ... Vasculitis #skin #dermatology ... #rheumatology #
Severe Urticarial Skin Rash on Physical Exam

#Urticarial #Skin #Rash #PhysicalExam #clinical #video #dermatology #urticaria
Severe Urticarial ... Physical Exam #Urticarial ... clinical #video #dermatology ... #urticaria
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
normo-complementemic urticarial ... Paraproteinemias #Hematology
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
Cold Urticaria Prevalence ... Chronic spontaneous urticaria ... Chronic inducible urticarias ... .14674 #Cold #Urticaria ... #diagnosis #rheumatology
Urticaria (hives): Skin reaction that occurs in response to cold, food allergies, meds, environmental exposures, stings,
infections
Urticaria (hives ... Clinical #Photo #Dermatology ... #SkinRash #Urticaria
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Hypocomplementemic Urticarial ... Hypocomplementemic #Urticarial ... Pathophysiology #Rheumatology
Urticaria Mimics

Conditions That May Be Confused with Urticaria

Arthropod bites 
, Atopic dermatitis 
, Bullous pemphigoid 
,
Urticaria Mimics ... Confused with Urticaria ... Pityriasis rosea , Urticaria ... #Differential #Urticaria
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
morphology • Urticaria ... Reactive #SkinRash #dermatology