14 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... : • Complete blood ... • Fecal occult blood ... #Petechiae #Rash ... #dermatology #physicalexam
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- History of bleeding ... (petechiae, ecchymoses ... epistaxis, gingival bleeding ... plateletcount), peripheral blood ... #Workup #hematology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Maculopapular rash ... vasculitis (inflamed blood ... Polyangiitis #GPA #dermatology ... #rash #diagnosis
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
ABO incompatible blood ... Manifestations of DIC: • Petechiae ... Treat primary cause ... Coagulation #diagnosis #causes ... treatment #management #hematology
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
the presence of petechiae ... which allow red blood ... - This iron causes ... brown tint of the rash ... differential #diagnosis #dermatology
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... chest (in a V-sign ... onset [33-74%] • Blood ... #dermatology #diagnosis
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
the peripheral blood ... Blast cells - Blood ... -> AML: Blast crises ... Significant ↓ PLT: Petechiae ... #Leukemia #Hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
unusual bruising or bleeding ... skin that are caused ... by bleeding (petechiae ... Out Secondary Causes ... Syndromes #diagnosis #hematology
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
considered to be caused ... PETECHIAE and PURPURA ... : Petechiae are ... bruise') is where bleeding ... #Diagnosis #Dermatology
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
maculopapular rash ... Causes purpura & ... cause of transfusion ... more likely to cause ... diagnosis #management #hematology