4 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... Red Flags: • Fever ... Schonlein Purpura - Endocarditis ... #Petechiae #Rash ... #Differential #
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
muscle weakness, rash ... , Fever, No muscle ... Detectable HIV viral ... Myopathies #myopathy #differential ... #diagnosis #comparison
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Involves aortic and mitral ... night sweats, fever ... hemorrhages • Petechiae ... Marantic (NTBE) Differential ... Persistent bacteremia/fevers
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
and Differential ... involves aortic and mitral ... night sweats, fever ... hemorrhages • Petechiae ... #Differential #