123 results
Diagnostic Schema for Hyperferritinemia

Pearl: Diseases associated with extreme elevations: 
1. HLH 
2. Still's disease 
3. Systemic
Diagnostic Schema ... Still's disease ... Systemic histoplasmosis ... Hyperferritinemia #Algorithm #Differential ... #Diagnosis #Hematology
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
autoimmune disease ... thickening, distal to elbows ... interstitial lung disease ... Scleroderma #SSc #rheumatology ... #diagnosis #signs
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Diagnosis Algorithm ... Cholestatic liver disease ... syndrome Psychiatric Disease ... #generalized #dermatology ... Diagnosis #Algorithm
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Bleeding / Bruising - Differential ... Diagnosis Algorithm ... Thrombocytopenia ... Vascular System ... #Causes #Hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... Diagnosis Algorithm ... disorders • Celiac disease ... following EtOH induced thrombocytopenia ... #Diagnosis #Algorithm
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Sjögrens (15%) Skin ... pain (20%) Renal disease ... Leucopenia/lymphopenia, Thrombocytopenia ... signs #symptoms #diagnosis ... #rheumatology
Seronegative Inflammatory Arthritis - Differential Diagnosis
 • Seronegative Rheumatoid Arthritis 
 • Infectious Arthritis: Viral, Bacterial,
Inflammatory Arthritis - Differential ... Diagnosis • Seronegative ... Rheumatic Disease ... #arthritides #Differential ... #Diagnosis #rheumatology
Systemic Sclerosis Associated Autoantibodies
Anti-topoisomerase I (anti-Sc170): Diffuse skin disease, Pulmonary fibrosis
Anti-centromere: Limited skin disease (~93-95%), Pulmonary
Systemic Sclerosis ... disease, Pulmonary ... disease (~93-95% ... Autoantibodies #diagnosis ... #rheumatology
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
Associated Rheumatic Diseases ... • Homogeneous: Systemic ... connective tissue disease ... ANA #patterns #rheumatology ... #diagnosis #differential
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Diagnosis Framework ... purple, hemorrhagic skin ... inflammation • Thrombocytopenia ... #Diagnosis #hematology