9 results
Primary and Secondary Causes of Mitral Regurgitation
Primary (organic) chronic mitral regurgitation:
 • Leaflet: Rheumatic fever, Infective
Causes of Mitral ... , Infective endocarditis ... , Infective endocarditis ... annulus valve: ... Regurgitation #differential
What's the Dx?
• 29-year-old male 
• Transfer community hospital 
• Hypotension
• Renal failure
• Altered mental status.
Hypotension • Renal failure ... demonstrate a mobile mitral ... young patient with fever ... #Clinical #POCUS ... Echocardiogram #PLAX #Infective
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 ... New-onset Heart Failure ... Septic Emboli Cause ... Marantic (NTBE) Differential
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
Causes of Primary ... of primary mitral ... stenosis - Infective ... /marantic endocarditis ... #Causes #Primary
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Parenchyma: • Infection ... • Malignancy: Primary ... regurgitation, Tricuspid endocarditis ... ), Heart failure ... Diagnosis #pulmonary #causes
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
sclerosis (both heart valve ... High output heart failure ... Trauma • Heart Failure ... • Infective Endocarditis ... • Mitral Stenosis
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
Causes of Antibiotic ... Failure - Differential ... 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 ... New-onset heart failure ... #Endocarditis #Differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Abnormalities in primary ... Red Flags: • Fever ... Schonlein Purpura - Endocarditis