10 results
Diagnostic Schema for Hyperferritinemia

Pearl: Diseases associated with extreme elevations: 
1. HLH 
2. Still's disease 
3. Systemic
Diagnostic Schema ... Still's disease ... histoplasmosis #Ferritin ... Hyperferritinemia #Algorithm ... #Hematology
Iron Deficiency Anemia - Differential Diagnosis Algorithm

Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR

 • Blood loss:
: Ferritin, iron ... Structural: Celiac disease ... Tropical sprue, IBD ... #Algorithm #ferritin ... #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... Inflammatory Conditions: Rheumatologic ... Vasculitides, IBD ... , Celiac disease ... #Algorithm #hematology
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
• Clubbing - IBD ... Spondyloarthropathy-IBD ... cell arteritis, Takayasu's ... #differential #diagnosis ... #rheumatology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential Diagnosis ... Algorithm Spurious ... Inflammatory: • IBD ... disorders • Celiac disease ... #Hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential Diagnosis ... Algorithm Blood ... MCHC, Serum Iron, Ferritin ... Anemia of Chronic Disease ... #Hematology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
gangrenosum • IBD ... Sarcoidosis • GPA ... Sarcoidosis #dermatology ... #differential #diagnosis ... #rheumatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential Diagnosis ... arteritis • Takayasu's ... Vasculitis: • Behcet Disease ... Vasculitis #skin #dermatology ... #rheumatology #
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
Differential Diagnosis ... Algorithm Normal ... • Cushing's Disease ... Celiac, IBD) • ... #Differential #Diagnosis
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
Ferritin levels ... severity of the disease ... and ILD • Liver ... Dermatomyositis #rheumatology ... #dermatology #diagnosis