14 results
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Arterial Thrombosis - Differential ... coagulation and other causes ... 19 - PNH - Vasculitis ... pathophysiology #hematology ... #differential #
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... • Septic emboli ... Vasculopathy #Purpura #Differential ... #Diagnosis #hematology ... #rheumatology #
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... / Bruising - Differential ... • Steroids • Vasculitis ... Coagulation #Bleeding ... #Hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... tract, and often causes ... < 30 years - Aorta ... diminished, or tender pulses ... #rheumatology #
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... of Glomerular Bleeding ... Diagnostic of GN or vasculitis ... • Renal artery embolism ... renal vein between aorta
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Kaposi's sarcoma • Rheumatologic ... Autoimmune: ANCA-Assoc vasculitis ... AVM, Thoracic aortic ... Nasopharyngeal bleeding ... Diagnosis #pulmonary #causes
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
and Pulmonary Embolism ... associated with rheumatologic ... life-threatening causes ... such as MI or aortic ... Presentation #comparison #Table
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... < 30 years • Aorta ... claudication, pulse ... tract, and often causes ... Diagnosis #Rheumatology
Cryofibrinogenemia Summary

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

Cryofibrinogenemia:
 • The precipitation of a
Paradoxical spontaneous bleeding ... malignancies, vasculitis ... cryoglobulins • Negative causes ... Cryofibrinogenemia #diagnosis #rheumatology ... #hematology
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
of Hemostasis - Differential ... discern these causes ... integrity == • Vasculitis ... Bruising #Hemostasis #Differential ... #Diagnosis #Hematology