17 results
diagnosis differential causes rheumatology classification hematology types dermatology hypersensitivity oncology pathophysiology pulmonary reactions table acute c1inh cardiology champs chronic comparison
Pathophysiology of Hypocomplementemic Urticarial Vasculitis C1q/anti-C1q antibiody -> Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology of Hypocomplementemic ... Urticarial Vasculitis ... Complex Formation - Complement ... Formation -> Vasculitis ... TerrierBen #Hypocomplementemic
Causes of Hypocomplementemia - CHAMPS Mnemonic C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis H - Heavy Chain deposition
Causes of Hypocomplementemia ... S - Systemic Lupus ... @AnnKumfer #Hypocomplementemia ... #Low #Complement
Vasculitis and Vasculitides - Differential Diagnosis Framework When to Consider Vasculitis: • Purpura, ischemic skin lesions •
often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... inflammation Others: • Lupus ... such as systemic lupus ... against MPO • Complement
Rapidly Progressive Glomerulonephritis (RPGN) RPGN has three primary pathophysiologic causes differentiated by immunofluorescence Immune Complex Mediated (granular staining):
staining): • Low Complement ... Post-strep GN, Lupus ... Idiopathic • Normal Complement ... Glomerulonephritis #Vasculitis ... differential #diagnosis #algorithm
Hypersensitivity Types and Their Mechanisms Type I - lgE - Soluble antigen - Allergen-specific lgE antibodies bind
Soluble antigen - Allergen-specific ... When the specific allergen ... antigen, leading to complement ... Complement activation ... , and systemic lupus
Summary table of types of hypersensitivity reactions. Type 1 - Mediators: lgE - Antigen Form: Soluble
Mechanism of Action: Allergen-specific ... antigens, leading to complement ... they activate complement ... glomerulonephritis, Systemic lupus ... reactions #types #allergy
Causes of Hemoptysis - Differential Diagnosis Algorithm Massive Hemoptysis (>I00 mL in 24 hours) • Malignancy •
Differential Diagnosis Algorithm ... • Pulmonary Vasculitis ... Malignancy Pulmonary Vasculitis ... • Lupus Erythematosus ... Differential #Diagnosis #Algorithm
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm Reactive: - Systemic Inflammatory •
Differential Diagnosis Algorithm ... • Systemic Lupus ... • Acne • Allergy ... Differential #Diagnosis #Algorithm
Cryoglobulinemia Summary Cryoglobulins: • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• Low serum C4 complement ... • IgA vasculitis ... • Vasculitis ... (e.g. systemic lupus ... #rheumatology #vasculitis
Cough - Diagnostic Schema Infectious: URTI, LRTI, Bacterial, Viral Irritant/Exposure: Allergic, Post-infectious, Pneumonitis, ACEi, PTX, Foreign Body Airway Disease:
Irritant/Exposure: Allergic ... CHF, Autoimmune Vasculitis ... #Differential #Algorithm
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