1130 results
Effect of Selected Diseases on Complement Levels - C3, C4
 • SLE C3 ↓ C4 ↓↓
Complement Levels - C3 ... , C4 • SLE C3 ... • MCGN type 1 C3 ... ↓ C4 ↓↓ • Cryo ... C3 ↓ C4 ↓↓ •
Glomerulonephritis - Differential Diagnosis Framework
ANCA:
 • C-ANCA: GPA (Wegener's)
 • P-ANCA: Microscopic Polyangiitis, Eosinophilic GPA (Churg
Mediated: • ↓C3 ... Cryoglobulinemia • Normal C3
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
IgG positive, C3 ... IgG negative, C3
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... Presentation (Pulmonary ... Diagnosis for Pulmonary ... anti-GBM ab, ANA, C3 ... @PulmPEEPs #Pulmonary
Herpes Zoster C3 Distribution: Dermatomally distributed vesicles, many of which have coalesced, 
in patient with HZV
Herpes Zoster C3 ... HZV #Dermatomal #C3
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
positive for IgG +/- C3 ... Coombs Positive for C3
C3-C7 Fractures and Injuries - Which Fractures are Stable and Unstable

#Diagnosis #Orthopedics #C3C7 #Cervical #Fractures #Unstable
C3-C7 Fractures
CEAP Classification of Chronic Venous Disorders
C1: Telangiectasia, Reticular Veins
C2: Varicose Veins
C3: Edema
C4a: Pigmentation and/or eczema
C5: Healed
Varicose Veins C3
Monoclonal Gammopathy of Clinical Significance (MGUS) - Differential Diagnosis

Neurologic-Centered:
 (+) Systemic Features: POEMS, AL amyloid, Cryoglobulinemia
immunotactoid GN, Type I cryo ... monoclonal Ig deposits, C3
Subtypes of Serum Proteins

Pre-albumin (Transthyretin)
Albumin
Globulins
 • Alpha-1: Alpha-1 antitrypsin, Serum amyloid A, Ceruloplasmin, Corticosteroid-binding globulin (Transcortin),
Angiotensinogen • Beta: C3