20 results
Primary and Secondary Causes of Mitral Regurgitation
Primary (organic) chronic mitral regurgitation:
 • Leaflet: Rheumatic fever, Infective
, Infective endocarditis ... , Infective endocarditis ... annulus valve: ... cardiomyopathy - VA Joint ... Regurgitation #differential
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
quinine, etc) - Viral ... infiltration: malignancy, infection ... - Mechanical: valve ... replacement, endocarditis ... Diagnosis #Framework #hematology
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
infection • ... Subacute bacterial endocarditis ... infection, Amyloidosis ... - Bacterial endocarditis ... #pain #differential
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... parvovirus B19 infection ... • Rheumatic fever ... Sarcoidosis #dermatology ... #rashes #differential
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
acute rheumatic fever ... infection. ... • Acute = Viral ... #rheumatology # ... approach #workup #differential
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... mountain spotted fever ... • Bacterial endocarditis ... #Diagnosis #hematology ... #nonpalpable #dermatology
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 ... Marantic (NTBE) Differential ... Paradoxical emboli via ASD ... 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
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... - Trauma - Infection ... Red Flags: • Fever ... Schonlein Purpura - Endocarditis ... Algorithm #Causes #dermatology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia - Differential ... mechanical cardiac valve ... inclusions - If infection ... bartonella (oroya fever ... Algorithm #workup #hematology