20 results
HACEK is the acronym commonly used to describe and help doctors to remember a group of
fastidious Gram-negative ... which can also cause ... is caused by HACEK ... is caused by Alpha-haemolytic ... #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
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Framework NCPE Pathophysiology ... Causes include: ... • Normal or negative ... pg/ml EKG: • Negative ... edema (Traumatic brain
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
serology: Serial negative ... Frequent false-negative ... valves • MRI brain ... in up to 30% of cases ... often seen • MRI brain
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
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... Negative Abscess ... antibiotics as a cause ... Brain: - Streptococcal ... Differential #Diagnosis #InfectiousDiseases
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
• Traumatic brain ... epilepticus • Pathophysiology ... Edema: • Pathophysiology ... The predominant pathophysiologic ... • Pathophysiology
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
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
positive in 90% of IE cases ... • Coagulase-negative ... Cerebral > Splenic, pulmonary ... Septic Emboli Cause ... Treat underlying cause
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

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