12 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Leukocytoclastic vasculitis ... • Ig A vasculitis ... HCV, HBV Not Vasculitis ... #Diagnosis #hematology ... #rheumatology #
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
• Rheumatic fever ... Hypersensitivity vasculitis ... • Vasculitis ... #skin #rashes #differential ... #diagnosis #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
mucositis - Rash ... : • Fevers • ... differential #diagnosis ... #rheumatology # ... classification
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... Rebound effect from treatment ... , Vasculitides, ... IBD, Celiac disease ... #hematology
Causes of Ascites
Normal Peritoneum
Portal hypertension (SAAG > 1.1 g/dL)
  1. Hepatic congestionl
Liver disease ... - Alcoholic hepatitis ... - Vasculitis ... #differential # ... hepatology #SAAG
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... , mucositis • Rash ... #Differential #Diagnosis ... #Rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Classification: ... vasculitis, rheumatoid ... • Mesenteric vasculitis ... inflammation Cutaneous Vasculitis ... #Rheumatology
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
• Rheumatic fever ... Jaundice - Hepatitis ... , Vasculitis (e.g ... #joint #pain #differential ... #diagnosis #rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Petechial or purpuric rash ... thrombocytopenia • Liver ... Treatment: • Corticosteroids ... #Diagnosis #Management ... #Hematology #Rheumatology
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
Diagnosis Framework ... von Willebrand syndrome ... diseaseWarfarin ... integrity == • Vasculitis ... #Diagnosis #Hematology