7 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
/purpura with fever ... /purpura with fever ... or purpuric rash ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... Diagnosis Algorithm ... Red Flags: • Fever ... #Petechiae #Rash ... #Causes #dermatology
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic Algorithm ... erythroderma, petechiae ... instability - New-onset fever ... #Scaling #Color ... #Differential #
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
: • Common: fever ... common • Imaging: CXR ... initiation • Differential ... diagnosis #management #hematology ... #oncology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
Headaches, bone pain, fever ... Significant ↓ PLT: Petechiae ... manifestations, hypoxia, CXR ... Lymphadenopathy • HSM • Fevers ... #Oncology #Diagnosis
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Culture (+): Acute ... night sweats, fever ... hemorrhages • Petechiae ... Marantic (NTBE) Differential ... Regurgitation • Colon
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
Culture Positive: • Acute ... night sweats, fever ... hemorrhages • Petechiae ... Regurgitation • Colon ... #Diagnosis #cardiology