11 results
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
Pigmented Purpuric ... , purpura, and increased ... , purpura, and increased ... - This iron causes ... differential #diagnosis #dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
, Palpable purpura ... • Palpable purpura ... Vesicles overlying purpuric ... Henoch-Schönlein purpura ... Polyangiitis #GPA #dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Henoch Schonlein Purpura ... Non-Palpable Rash: - Purpura ... deficiency Work ... #dermatology #physicalexam
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Algorithm - Petechiae ... cm diameter - Purpura ... Vasculitis #SkinRash #dermatology ... Diagnosis #Algorithm #causes
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Manifestations of DIC: • Petechiae ... • Purpura • ... Hemorrhagic bullae • Purpura ... #treatment #management ... #hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
easy bruising to purpura ... mucosal bleeding (Petechial ... or purpuric rash ... Syndrome #Diagnosis #Management ... #Hematology #Rheumatology
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
dogs & latter can cause ... +purpuric rash → ... purpura fulminans ... Canimorsus #Skin #Rash #dermatology ... #clinical #photo
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 ... Purpura are larger ... #Diagnosis #Dermatology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
Thrombocytopenic Purpura ... decrease in most cases ... hematuria (without casts ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup ... #Hematology
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
Post Transfusion Purpura ... Causes purpura & ... TRALI): Leading cause ... Transfusion #diagnosis #management ... #hematology #reactions