41 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
culture negative ... infective endocarditis ... #differential # ... diagnosis #causes ... #CNIE #BCNIE #cardiology
Hilar enlargement
The table summarizes the causes of hilar enlargement.
Normal hili are:
- Normal in position - left
enlargement The table ... summarizes the causes ... branching vessels #Diagnosis ... #Radiology #CXR ... #Enlargement #Differential
Myocarditis - Diagnosis and Causes
 • Clinical presentation: Pseudo-acute coronary syndrome, Cardiac failure <3 rnonths, Cardiogenic
Clinical presentation ... Paraclinical assessment: EKG ... #Myocarditis #differential ... #Diagnosis #Causes ... #cardiology #MRI
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
high index of clinical ... is required for diagnosis ... Frequent false-negative ... in up to 30% of cases ... #table
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Pupillary Defects - Differential ... Diagnosis Algorithm ... Relative Afferent ... (e.g Opioids, Alcohol ... #Causes #Ophthalmology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... - Differential ... Diagnosis Algorithm ... Infectious • Endocarditis ... Myasthenia Gravis Pharmacologic
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Diagnosis Framework ... Causes include: ... level <100 pg/ml EKG ... ischemic changes CXR ... #diagnosis #cardiology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
• Coagulase-negative ... Septic Emboli Cause ... Marantic (NTBE) Differential ... ↑ ESR, CRP • EKG ... #cardiology
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... seen and in many cases ... #Diagnosis #Radiology ... Interstitial #Pattern #Differential
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Infective Endocarditis ... antimicrobials, clinical ... but important causes ... BCNIE Diagnostic ... #diagnosis #differential