19 results
HACEK is the acronym commonly used to describe and help doctors to remember a group of
fastidious Gram-negative ... which can also cause ... infective endocarditis ... is caused by HACEK ... #Diagnosis #InfectiousDiseases
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
culture negative ... infective endocarditis ... #culture #negative ... #Endocarditis # ... InfectiousDiseases
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
Differentiating NBTE from Infective ... pathognomonic signs/symptoms ... serology: Serial negative ... Frequent false-negative ... in up to 30% of cases
Causes of Sudden Unexpected Death in Infancy (SUDI) - Differential Diagnosis Algorithm
Congenital Anomaly / Disorder:
 •
Causes of Sudden ... Neurologic Anomaly • Pulmonary ... Gastrointestinal infection ... ): • Autopsy negative ... #Peds #Pediatrics
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... Infective Endocarditis ... but important causes ... #Infective #Endocarditis ... differential #workup #infectiousdiseases
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... causes differentiated ... Cryoglobulinemia, Endocarditis ... With associated pulmonary ... Pauci-immune mediated (Negative
Schizophrenia: Pathogenesis and Symptoms
Increased dopaminergic transmission in mesolimbic projection
-> Dopaminergic neurons here project into the limbic
is thought to cause ... is thought to cause ... Negative Symptoms ... expression • affective ... Schizophrenia #pathophysiology
Acute Otitis Media: Pathogenesis and Clinical Findings (in Children)
Upper Respiratory Tract Infection: 
 - Bacterial: Streptococcus
Respiratory Tract Infection ... pressure => Negative ... #OtitisMedia #pathophysiology ... #diagnosis #symptoms ... #signs #peds #pediatrics
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
hemorrhagic rash; symptoms ... widespread infection ... non-specific viral symptoms ... #Immunization #peds ... #pediatrics #pathophysiology
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Diagnosis and Pathophysiology ... disorders - Chronic pulmonary ... Heart Failure • Infective ... Endocarditis ... Infarction • Pulmonary