11 results
Petechiae / Purpura - Differential Algorithm by Pathophysiology

Dr. Zaven Sargsyan @sargsyanz

#Petechiae #Purpura #Differential #Algorithm #Pathophysiology #diagnosis
Petechiae / Purpura ... - Differential ... #Petechiae #Purpura ... #Differential # ... #diagnosis #dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... vascular disorders, coagulation ... Platelet defects • Coagulation ... #Differential # ... #nonpalpable #dermatology
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura ... Pathophysiology: ... #Diagnosis #Dermatology ... Palpable #Algorithm #Differential ... #Ddxof
Thrombotic Microangiopathies - Primary Thrombotic Microangiopathy (TMA) - Differential Diagnosis Table

 • Thrombotic Thrombocytopenic Purpura (TTP)
Microangiopathy (TMA) - Differential ... Thrombocytopenic Purpura ... Metabolism-mediated TMA - Coagulation-mediated ... Microangiopathy #TMA #hematology ... #differential #
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
- Pathophysiology ... red-flags to exclude dermatologic ... #Diagnosis #Dermatology ... Targetoid #Algorithm #Differential ... #Ddxof
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
protein C and S Pathophysiology ... Petechiae • Purpura ... variants of both • Acral ... Hemorrhagic bullae • Purpura ... treatment #management #hematology
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
Pathophysiology: ... #Diagnosis #Dermatology ... Nikolsky #Algorithm #Differential ... #Ddxof
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... Henoch Schonlein Purpura ... Non-Palpable Rash: - Purpura ... Complete blood count coagulation ... Algorithm #Causes #dermatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
intravascular coagulation ... thrombocytopenic purpura ... Extravascular #Causes #differential ... #diagnosis #hematology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Arterial Thrombosis - Differential ... intravascular coagulation ... other causes of purpura ... Venous #Arterial #pathophysiology ... #hematology #differential