8 results
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Positive ANAAutoimmune ... (SLE), Systemic ... , Interstitial Pulmonary ... #patterns #rheumatology ... #diagnosis #differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... findings (ANA, ... rheumatologic diseases ... Kidney disease common ... #Diagnosis #Rheumatology
Sjogren's Syndrome Overview

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

Autoimmune exocrinopathy multisystemic disease
overlaps with RA, SLE ... salivary ducts Clinical ... phenomenon (16%) MSK ... MALT Lymphoma • Lung ... Sjogrens #Syndrome #Rheumatology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... lung disease (GLILD ... anemia) • Systemic ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often causes arthritis ... Diagnosis: Systemic ... discrepancies Findings ... SLE) • Urinalysis ... #diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis: • Systemic ... , such as SLE, atherosclerotic ... Nodosa: • PAN most commonly ... often causes arthritis ... #Diagnosis #Rheumatology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Diagnosis Algorithm ... frequently affected systems ... Better call hematology ... #Diagnosis #Algorithm ... #workup #hematology
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
Differential Diagnosis ... , verrucous) - Lung ... regurgitation • Autoimmune ... (SLE Libman Sacks ... #Diagnosis #cardiology