10 results
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... Chain deposition disease ... Atypical HUS, autoimmune ... #differential # ... hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Disease 3 Types ... Syndrome (CAS): ... Viral Infection Clinical ... pts) Differential ... #anemia #hematology
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
• Can cause TYPE ... salivary ducts Clinical ... Nephrogenic DI Hematologic ... Arthralgia and Arthritis ... #Rheumatology #
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
likely it will be clinically ... , Sjögren Syndrome ... , Interstitial Pulmonary ... ANA #patterns #rheumatology ... #diagnosis #differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... rheumatologic diseases ... • Type-I Interferonopathies ... Frank nephritis (hypertension ... #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... inflammatory lesions-interstitial ... purpura: strong sign ... C-ANCA) pattern: antibodies ... #diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... purpura: Strong sign ... tract, and often causes ... inflammatory lesions - interstitial ... #Diagnosis #Rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
- Differential ... ) • Shawl sign ... • Nonerosive arthritis ... statins - probably caused ... Myositis #Myopathy #rheumatology
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
changes (POEMS syndrome ... (RA, Temporal arteritis ... gastric tumors • Hematology ... Comment on type ... #diagnosis #hematology
Relapsing Polychondritis

What is it?
Recurrent inflammation of the cartilage in the body (Autoimmune disorder)

Who?
• Most frequently: 40
cartilage in the body (Autoimmune ... the most common clinical ... Anti-Matrilin-1 Ab ○ Antibodies ... to type II collagen ... Polychondritis #rheumatology