242 results
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
of Scleroderma (SSc ... renal crisis (SRC ... #Scleroderma #SSc
Diagnostic Criteria for Scleroderma Renal Crisis 

1. New onset blood pressure >150/85 mm Hg OR increase
typical features of SRC
Thrombotic Microangiopathy - TMAs
1. Not all MAHAs are due to TMAs but (almost) all TMAs cause
catastrophic APS, SRC
Scleroderma Renal Crisis (SRC)

Clinical Presentation of Scleroderma Renal Crisis:
1) Acute kidney injury
2) Abrupt onset of hypertension
3)
Renal Crisis (SRC ... MithuRheum #SRC
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
SjS, SLE, DM, SSc ... , PM/SSc OS, MCTD ... pattern: - SSc ... , PBC/SSc OS ... pattern: - SSc
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Anti-JO-1, Others: SRP ... Systemic Sclerosis, SSc
Acute Kidney Injury - RIFLE and AKIN Criteria for Diagnosis and Classification of AKI
 • AKIN
- Increase in SCr ... or increase in SCr ... - Increase in SCr ... - Increase in SCr
Superior Vena Cava Syndrome on Physical Exam

Prominent dilated collateral veins are seen bypassing the SVC obstruction

#SVC
bypassing the SVC ... obstruction #SVC
Definitions of AKI, CKD, AKD
Acute Kidney Injury (AKI):
 • Increase in SCr by 2 50% within
• Increase in SCr ... • Increase in SCr ... or increase in SCr ... m2 • Stable SCr
Chronic SVC Stenosis with Caudal Blood Flow of Dilated Abdominal Veins

60 y/o hx of seizures &
Chronic SVC Stenosis ... collaterals - SVC ... cephalad (towards SVC ... ) - SVC obstruction ... stenosis of his SVC