12 results
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... ASA) • Renal Disease ... Vascular System ... • Steroids • Vasculitis ... #Hematology
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Kaposi's sarcoma • Rheumatologic ... / Autoimmune: ANCA-Assoc ... vasculitis (GPA ... Nasopharyngeal bleeding ... Diagnosis #pulmonary #causes
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
immune system, leading ... • They can cause ... Cryoglobulins Cause ... Vascular Sludging ... classification #rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Disruptions in vascular ... Palpable Rash: - Autoimmune ... Vasculitis (lupus ... • Abdominal ultrasound
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
disease • Non-autoimmune ... rheumatologic diseases ... deficiencies • Autoimmune ... Joint pain • Swan neck ... Erythematosus #Diagnosis #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis and Vasculitides ... tract, and often causes ... and bullous or vesicular ... LFT • ESR • ANA ... differential #diagnosis #rheumatology
Cryofibrinogenemia Summary

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

Cryofibrinogenemia:
 • The precipitation of a
Hyperviscosity, - Vascular ... associated with autoimmune ... malignancies, vasculitis ... Cryofibrinogenemia #diagnosis #rheumatology ... #hematology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
malignancies, autoimmune ... acquired dermal macular ... patches on the face, neck ... of necrotizing vasculitis ... differential #diagnosis #dermatology
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
• Disorders of vascular ... discern these causes ... Disruption in vascular ... integrity == • Vasculitis ... Differential #Diagnosis #Hematology
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
OnePager Summary Autoimmune ... ANCA vasculitis ... palpable purpura 2/2 vasculitis ... Goodpasture's cause ... crescentic GN by Nick