8 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Petechial/Purpuric ... Nonpalpable purpura ... coagulopathy (DIC ... #Diagnosis #Dermatology ... #Nonpalpable #Differential
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... RBC's secondary to platelet ... • Platelet defects ... : Platelet Defects ... #dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
hemostasis: - Thrombocytopenia ... - Abnormal platelet ... Vasculitis - Collagen disorders ... fulminans - DIC ... #Causes #dermatology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Diagnosis Algorithm ... Thrombocytopenia ... Platelet Function ... #Causes #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
and Platelet Disorders ... - Differential ... History: - Prior platelet ... (petechiae, ecchymoses ... #Platelet #Disorders
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
: • Petechiae ... • Purpura • Palpable ... : • Platelet count ... - Platelet rich ... • Severe Liver Disease
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Diagnosis Algorithm ... with or without platelet ... Schistocytes, thrombocytopenia ... - DIC, TTP, HELLP ... Consider RBC membrane disorder
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
to a low blood platelet ... neutrophils and platelets ... Neutropenia • Platelet ... blood cells or platelets ... blood cells or platelets