1393 results
Anaphylaxis: Signs and Symptoms
Anaphylaxis: when any egg of three conditions is met:
1. Acute onset of skin/mucosal
Acute onset of skin ... >2 of: • skin ... ischemia) • Urticaria ... #Anaphylaxis #pathophysiology
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
Cold Urticaria Prevalence ... trigger - Direct skin ... 50% of patients Skin ... 1% of patients Skin ... .14674 #Cold #Urticaria
Severe Urticarial Skin Rash on Physical Exam

#Urticarial #Skin #Rash #PhysicalExam #clinical #video #dermatology #urticaria
Severe Urticarial ... Skin Rash on Physical ... Exam #Urticarial ... #Skin #Rash #PhysicalExam ... #dermatology #urticaria
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Involving the Skin ... Vasculitis Skin ... bullae, Ulceration, Urticaria ... - Anti-C1q (Urticarial ... Cutaneous #Vasculitis #skin
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
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
Urticaria (hives): Skin reaction that occurs in response to cold, food allergies, meds, environmental exposures, stings,
infections
Urticaria (hives ... ): Skin reaction ... Dermatology #SkinRash #Urticaria
Pruritus - Primary Skin Lesion - Differential Diagnosis Algorithm
Macules / Papules / Plaques:
 • Xerosis (dry
Pruritus - Primary Skin ... • Xerosis (dry skin ... Wheals/Hives: • Urticaria
Dematoses in Pregnancy - Specific Skin Conditions
Non-Pruritic
 • Pustular psoriasis of pregnancy
 • Impetigo Herpetiformis
Pruritic -
Pregnancy - Specific Skin ... - Non-Primary Skin ... Pruritic - Primary Skin ... gestationis • Pruritic urticarial
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