2255 results
Approach to Elevated Tryptase - Differential Diagnosis Framework

The DDx of elevated tryptase can be broken down
Elevated Tryptase - Differential ... secondary causes: • Anaphylaxis ... infections • Chronic Urticaria ... #Tryptase #Differential
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
Cold Urticaria Prevalence ... Female predominance Anaphylaxis ... Chronic spontaneous urticaria ... Chronic inducible urticarias ... .14674 #Cold #Urticaria
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 Mimics

Conditions That May Be Confused with Urticaria

Arthropod bites 
, Atopic dermatitis 
, Bullous pemphigoid 
,
Urticaria Mimics ... Confused with Urticaria ... Pityriasis rosea , Urticaria ... #Diagnosis #Differential ... #Urticaria #Mimics
Anaphylaxis: Signs and Symptoms
Anaphylaxis: when any egg of three conditions is met:
1. Acute onset of skin/mucosal
Anaphylaxis: Signs ... and Symptoms Anaphylaxis ... ischemia) • Urticaria ... Angioedema #Anaphylaxis
Clinical manifestations of anaphylaxis. 
Neurological (<15%): Dizziness, syncope, seizures, Confusion, impending doom. headache
Angioedema: Lips, tongue, orbit,
manifestations of anaphylaxis ... Mucosa 80-90%): Urticaria ... incontinence #anaphylaxis
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Involving the Skin - Differential ... bullae, Ulceration, Urticaria ... - Anti-C1q (Urticarial ... #rheumatology #differential
Pediatric Anaphylaxis Algorithm 

#Anaphylaxis #Algorithm #Pediatrics #Peds #Allergy
Pediatric Anaphylaxis ... Algorithm #Anaphylaxis
Stridor - Differential Diagnosis Framework:
High-pitched, variable respiratory sound

ETIOLOGIES:
Infectious:
 • Retropharyngeal abscess
 • Acute epiglottitis
 • Peritonsillar
Stridor - Differential ... Allergic/Immune: • Anaphylaxis ... malformations • Anaphylaxis ... Tracheal stenosis • Anaphylaxis ... stenosis #Stridor #differential
Endotypes and mechanisms involved in anaphylaxis. 

#anaphylaxis #Endotypes #pathophysiology
mechanisms involved in anaphylaxis ... #anaphylaxis #Endotypes