19 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Hemolytic anemia ... Kasabach-Merritt syndrome ... Scurvy - Actinic damage ... Gardner-Diamond syndrome ... Differential #Diagnosis #hematology
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura ... - Diagnostic Algorithm ... vasculitis) or disorders ... #Rash #Petechiae ... #Ddxof
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Differential Diagnosis Algorithm ... • Rheumatic disorders ... disease Tissue Damage ... Iron deficiency anemia ... Differential #Diagnosis #Algorithm
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Differential Diagnosis Algorithm ... Vasculitis - Collagen disorders ... Henoch Schonlein Purpura ... : - Purpura fulminans ... #Causes #dermatology
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
Consumption Disorders ... HLH syndrome 5. ... Eating disorders ... Acquired Aplastic Anemia ... #Hematology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
and end-organ damage ... Arthralgia - Purpura ... triad of Palpable purpura ... Henoch-Schönlein purpura ... classification #rheumatology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Differential Diagnosis Algorithm ... Megakaryopoiesis • Aplastic Anemia ... • Toxic Damage ... Non-lmmune: • HELLP Syndrome ... #Causes #Hematology
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
Consumption Disorders ... HLH syndrome 5 ... Eating disorders ... Acquired Aplastic Anemia ... #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
) - HELLP syndrome ... thrombocytopenic purpura ... lymphoproliferative disorders ... differential #diagnosis #hematology ... #anemia
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Differential Diagnosis Algorithm ... • Small Bowel Disorder ... Myelodysplastic Syndromes ... Differential #Diagnosis #Algorithm ... #Causes #Hematology