12 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... deficiency • Liver ... Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Volume (MCV) - Differential ... Diagnosis Algorithm ... Chronic Disease Normal ... #MCV #Classification ... #Causes #Hematology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
Thrombocytopenic Purpura ... Fibrin degradation products ... result in severe anemia ... WBC count and differential ... #Workup #Hematology
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
of Hemostasis - Differential ... Diagnosis Framework ... Qualitative defect in platelets ... Acquired: • Heparin ... #Diagnosis #Hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Petechiae • Purpura ... Findings in DIC: • Platelet ... DIC • Severe Liver ... #Coagulation #diagnosis ... treatment #management #hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... Supratherapeutic warfarin ... • Reduced liver ... amyloidosis #Abnormal ... hematology #coagulation
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... Early liver disease ... Prolonged #Causes #diagnosis ... #differential # ... hematology #coagulation
Cryofibrinogenemia Summary

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

Cryofibrinogenemia:
 • The precipitation of a
of fibrin split products ... Skin necrosis • Purpura ... Antiphospholipid syndrome • Warfarin-induced ... #rheumatology # ... hematology
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
maculopapular rash ... Causes purpura & ... eruptions, diarrhea, liver ... #Transfusions #diagnosis ... #management #hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
rash) • Heart, ... with leukopenia, anemia ... thrombocytopenia • Liver ... #Management #Hematology ... #Rheumatology