23 results
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Macrophage Activation ... purpura to mucosal bleeding ... Petechial or purpuric rash ... Syndrome #Diagnosis #Management ... #Hematology #Rheumatology
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Clinical triad ... arthritis, Skin rash ... fraction < 20% Differential ... #diagnosis #management ... #treatment #rheumatology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Summary • Epidemiology ... 40, F:M 9:1 • Clinical ... Manifestations: Malar rash ... Evolution: Chronic disease ... #Summary #rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Activation of CD8 ... Phagocytosis of blood ... Lymphohistiocytosis #diagnosis #management ... #treatment #summary ... #rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Rarely dominate the clinical ... Maculopapular rash ... reticularis Differential ... vasculitis (inflamed blood ... #rash #diagnosis
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
ABO incompatible blood ... organ damage Clinical ... • Severe Liver Disease ... causes #treatment #management ... #hematology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... permanent alopecia Differential ... Malignancy (e.g. hematologic ... vein thrombosis Hematologic ... Chronic B-cell activation
Cryofibrinogenemia Summary

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

Cryofibrinogenemia:
 • The precipitation of a
Cryofibrinogenemia Summary ... which can plug blood ... Paradoxical spontaneous bleeding ... Diagnosis: • + Clinical ... #hematology
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
One Pager Summary ... maculopapular rash ... coagulopathy & ↑bleeding ... Transfusions #diagnosis #management ... #hematology #reactions
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Summary Lung ... • Large volume feeding ... Lung Abscess - Clinical ... anemia • Sputum/Blood ... Lung Abscess Differential