9 results
Primary and Secondary Causes of Mitral Regurgitation
Primary (organic) chronic mitral regurgitation:
 • Leaflet: Rheumatic fever, Infective
Primary and Secondary ... Leaflet: Rheumatic fever ... • Prosthetic valve ... annulus valve: ... Regurgitation #differential
Mitral Valve Endocarditis on POCUS Echocardiogram
66 yo presents with petechiae to lower extremities. Pt had mitral
Mitral Valve Endocarditis ... Pt had mitral valve ... #MitralValve #Endocarditis ... clinical #cardiology #a4c ... #plax
What's the Dx?
• 29-year-old male 
• Transfer community hospital 
• Hypotension
• Renal failure
• Altered mental status.
demonstrate a mobile mitral ... with a vegetation secondary ... to endocarditis ... young patient with fever ... Echocardiogram #PLAX
Giant dilated left atrium on Echocardiogram (a4c)
It belongs to a 92-year old lady with a history
Giant dilated left ... Echocardiogram (a4c ... Mitral valve doesn ... ASD with R/L shunting ... #left #atrium #a4c
Causes of mitral stenosis
Rheumatic heart disease
 - Most common cause worldwide. Commissural fusion, thick MV leaflets
calcification - Age-related ... dysplastic MV leaflets Secondary ... disease Infective endocarditis ... atrial myxoma)/ball valve ... Causes #diagnosis #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 ... Marantic (NTBE) Differential ... Paradoxical emboli via ASD ... Persistent bacteremia/fevers
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
Infective/marantic endocarditis ... valve - Secondary ... Nonischemic MR: Dilated ... results in MR from dilated ... Primary #Functional #Differential
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
Antibiotic Failure - Differential ... Autoimmune, Drug-related ... Atypical bacteria: Viral ... lines, osteo, endocarditis ... SJS, DIHS, drug fever
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 ... Persistent bacteremia/fevers ... #Endocarditis #Differential