14 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 #
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
/purpura with fever ... gonococcal disease, endocarditis ... /purpura with fever ... or purpuric rash ... #Purpuric #Rash
Primary and Secondary Causes of Mitral Regurgitation
Primary (organic) chronic mitral regurgitation:
 • Leaflet: Rheumatic fever, Infective
Leaflet: Rheumatic fever ... , Infective endocarditis ... , Infective endocarditis ... cardiomyopathy - VA Joint ... Regurgitation #differential
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... Pain - Differential ... Polyarticular Join ... & Symmetrical Rash ... Infection • Endocarditis
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Associated with Joint ... Subacute bacterial endocarditis ... Cardiovascular system • Mitral ... - Bacterial endocarditis ... #pain #differential
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Regions - Frequent Differential ... infection, infective endocarditis ... • Bleeding, petechia ... mononucleosis, infective endocarditis ... Returning #Traveler #differential
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
erythroderma, petechiae ... Ill-appearing, vital ... instability - New-onset fever ... #Dermatology #Rash ... Targetoid #Algorithm #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 ... myopathy) VA Joint ... Myopathies #myopathy #differential
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
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... • Rheumatic fever ... Viral Infections ... • Bacterial endocarditis ... #pain #Differential