7 results
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... consumption or binding ... associated with systemic ... Prolonged #Causes #diagnosis ... #differential #hematology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Abnormal PT and/or aPTT ... consumption or binding ... associated with systemic ... Prolonged #Causes #diagnosis ... #differential #hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
with leukopenia, anemia ... Hypofibrinogenemia • ↑ PT ↑ PTT ... Activation #Syndrome #Diagnosis ... #Management #Hematology ... #Rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
physical exam findings ... • Homogeneous: Systemic ... , Interstitial Pulmonary ... ANA #patterns #rheumatology ... #diagnosis #differential
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
processes: • Systemic ... thrombophlebitis, pulmonary ... Cryofibrinogenemia Diagnosis ... #rheumatology # ... hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... progressing GN • New pulmonary ... Differential Diagnosis ... discrepancies Findings ... #rheumatology #
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
and laboratory findings ... Differential Diagnosis ... Non-autoimmune rheumatologic ... lymphopenia, low PLT • Anemia ... #Rheumatology