11 results
Primary and Secondary Causes of Mitral Regurgitation
Primary (organic) chronic mitral regurgitation:
 • Leaflet: Rheumatic fever, Infective
and Secondary Causes ... , Infective endocarditis ... , Infective endocarditis ... annulus valve: ... Regurgitation #differential
Causes of Severe Aortic Regurgitation - Differential Diagnosis
Acute:
 • Leaflet: Traumatic Rupture, Acute Infective Endocarditis, Acute
Causes of Severe ... - Differential ... Prosthetic Valve ... : Infective Endocarditis ... , Rheumatic Fever
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
Clinical features: Fever ... embolism +++, Heart failure ... Clinical features: Fever ... in up to 30% of cases ... dysfunction common, Aortic
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
CA • Involves aortic ... and mitral regurgitation ... night sweats, fever ... Septic Emboli Cause ... Marantic (NTBE) Differential
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Bradycardia - Differential ... Tachy-Brady syndrome • Aortic ... Valve Endocarditis ... • Post cardiac/Valve ... #diagnosis #causes
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
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
disorders: - Aortic ... regurgitation - Aortic ... sclerosis (both heart valve ... • Infective Endocarditis ... • Mitral Stenosis
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Parenchyma: • Infection ... regurgitation, Tricuspid endocarditis ... ), Heart failure ... AVM, Thoracic aortic ... Diagnosis #pulmonary #causes
Endocarditis - Overview and Differential Diagnosis Framework

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