7 results
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura ... vasculitis) or disorders ... #Dermatology #Rash ... Palpable #Algorithm #Differential ... #Ddxof
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Diagnosis Algorithm ... Vasculitis - Collagen disorders ... #Differential # ... #Causes #dermatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
to mucosal bleeding ... (Petechial or purpuric ... rash) • Heart, ... Fibrin degradation products ... Activation #Syndrome #Diagnosis
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
maculopapular rash ... Post Transfusion Purpura ... Causes purpura & ... coagulopathy & ↑bleeding ... #Transfusions #diagnosis
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
maculopapular rash ... Post Transfusion Purpura ... Causes purpura & ... coagulopathy & ↑bleeding ... #Transfusion #diagnosis
Cryofibrinogenemia Summary

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

Cryofibrinogenemia:
 • The precipitation of a
of fibrin split products ... • Fibrin split products ... Paradoxical spontaneous bleeding ... cryoglobulinemia Associated Disorders ... Skin necrosis • Purpura
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
curvilinear lesions produced ... bruise') is where bleeding ... a generalized disorder ... nettle sting #Diagnosis ... #Dermatology #Skin