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Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
meningococcemia, disseminated ... purpura fulminans, disseminated ... intravascular coagulopathy ... petechial or purpuric rash ... Purpural #Purpuric #Rash
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - ... foot, mouth), Disseminated ... cutis miliaris disseminate ... Fungal: Cocci, Disseminated ... SCVMCMed #Fever #Rash
Thrombotic Thrombocytopenic Purpura (TTP) vs Disseminated Intravascular Coagulation (DIC)
#Diagnosis #TTP #DIC #Comparison #Table #Laboratory #Findings #RebelEM
Purpura (TTP) vs Disseminated ... Intravascular Coagulation
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
Petechial / Purpuric Rash ... Meningococcaemia, Disseminated ... Petechiae #Purpura #Rash
Algorithm for Diagnosis of the Vesiculobullous Rash

Febrile, Diffuse Distribution:
 - Varicella,  Smallpox,  Disseminated, Gonococcal,
Vesiculobullous Rash ... Varicella, Smallpox, Disseminated ... Vesiculobullous #Vesicular #Rash
ISTH Scoring System for Disseminated Intravascular Coagulation (DIC)
Platelet count:
 • Expected: Low (or normal)
 • Elevation
Scoring System for Disseminated ... Intravascular Coagulation ... vessels #DIC #Disseminated ... #Intravascular
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
for Hemolysis - Intravascular ... Extravascular Causes Intravascular ... anemia): - Disseminated ... intravascular coagulation ... Hemolysis #Hemolytic #Intravascular
Focused Assessment with Sonography for HIV/TB - The FASH Exam

The main objective of the FASH exam
for HIV/TB - The FASH ... objective of the FASH ... suggestive of disseminated ... Diagnosis #POCUS #FASH
ID Approach to Fever and Rash - Diagnostic Algorithm
Central Maculopapular (most common):
Measles, Parvovirus 819 / EBV,
Approach to Fever and Rash ... Rickettsialpox, Disseminated ... Vasculitis Nodular: Disseminated ... WuidQ #Fever #Rash
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial Rash ... : • Palpable Rash ... Meningococcemia - Disseminated ... • Non-Palpable Rash ... : • Palpable Rash