18 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
culture negative ... infective endocarditis ... #differential # ... #Endocarditis # ... #CNIE #BCNIE #cardiology
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
: Serial negative ... heart valves • MRI ... : + (Negative blood ... in up to 30% of cases ... often seen • MRI
Stroke Etiologies
Hemorrhagic (IPH, SAH)
Ischemic
 - Large Vessel Atherosclerosis
 - Cardioembolic: Atrial fib, prosthetic valves, LV aneurysm,
, LV aneurysm, Endocarditis ... , Acute MI - Lacunar ... EricsMedicalLectures/ #Stroke #causes ... #differential # ... diagnosis #neurology
Algorithm for evaluating multiple ring-enhancing lesions in immunocompetent (HIV negative)

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
immunocompetent (HIV negative ... brain #diagnosis #differential ... #algorithm #causes ... #radiology #neurology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... - Differential ... Infectious • Endocarditis ... Pulmonary Disease Neurologic ... Myasthenia Gravis Pharmacologic
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
Causes of Primary ... disease: Most common cause ... Infective/marantic endocarditis ... Primary #Functional #Differential ... #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 ... Treat underlying cause ... diagnosis #management #cardiology
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Infective Endocarditis ... but important causes ... factors: - Serology ... #Infective #Endocarditis ... #diagnosis #differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... contraction force (negative ... Vaughan #Williams #Pharmacology ... #Classification ... #cardiology