11 results
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
- Generalized Differential ... • Xerosis (dry skin ... Arthropod bites Vesicles ... • Leukemia • Polycythemia ... #generalized #dermatology
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Erythrocytosis) - Differential ... Cyanosis without Pulmonary ... Apnea • Chronic Pulmonary ... Erythrocytosis #Differential ... Algorithm #Causes #Hematology
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Erythrocytosis - Polycythemia ... Differential Diagnosis ... Hypoxia-driven: Cardiac/pulmonary ... #Vera #PV #Differential ... Diagnosis #Algorithm #hematology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... Rarely dominate the clinical ... Palpable purpura • Vesicles ... reticularis Differential ... rash #diagnosis #rheumatology
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Still's Disease Clinical ... Arthralgia/arthritis, Skin ... fraction < 20% Differential ... hepatitis • Pulmonary ... management #treatment #rheumatology
Cryofibrinogenemia Summary

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

Cryofibrinogenemia:
 • The precipitation of a
Cryofibrinogenemia Clinical ... thrombophlebitis, pulmonary ... Diagnosis: • + Clinical ... Cryofibrinogenemia #diagnosis #rheumatology ... #hematology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... legs), cutaneous vesicles ... #Vasculitis #Differential ... #Diagnosis #Rheumatology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Alpha & Mu) Skin ... thrombosis+Pulm HTN+skin ... Thrombosis in vascular beds-renal ... Paraproteinemias #Hematology ... #Monoclonal #Differential
Scleroderma Associated Telangiectasia. 

If you see them-round, often well circumscribed (but can be matte-like too) &
& blanchable, differential ... Telangiectasia #clinical ... video #blanching #skin ... #dermatology #rheumatology
Helpful Clinical Features in Evaluating Bleeding Disorders
Age of onset
 • Neonate - in 20% of haemophilias,
Helpful Clinical ... membrane bleeding and skin ... Disorders #History #peds ... pediatrics #diagnosis #hematology