16 results
HACEK is the acronym commonly used to describe and help doctors to remember a group of
fastidious Gram-negative ... which normally live ... which can also cause ... is caused by HACEK ... #Diagnosis #InfectiousDiseases
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 ... histoplasmosis Liver ... #Diagnosis #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 ... Pauci-immune mediated (Negative ... diagnosis #algorithm #rheumatology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
• Coagulase-negative ... Septic Emboli Cause ... Treat underlying cause ... Complications: Abscess ... #diagnosis #management
Pyogenic liver abscess in children
Common bacterial causes in children:
 • S.aureus
 • Strep spp
 • Enteric
Pyogenic liver abscess ... Common bacterial causes ... • Enteric gram negative ... artery (e.g., endocarditis ... differential #diagnosis #hepatology
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Pregnancy (AFLP) Pathophysiology ... = nonspecific (nausea ... #Pregnancy #hepatology ... obgyn #diagnosis #management ... #pathophysiology
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
• Typhus, gram-negative ... infection • Abscess ... Non-Infectious Causes ... Brucellosis • Liver ... or lung abscess
Candidemia Workup and Management - IDSA Guidelines
1) Antibiotics
 • Empiric: Echinocandins (e.g. micafungin) for most patients
Candidemia Workup and Management ... Susceptibilities, Negative ... within one week to assess ... clinical concern for endocarditis ... Consider: Spine, CNS, liver
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
aureus, Coagulase-negative ... staphylococci Culture Negative ... Septic emboli cause ... Treat underlying cause ... Diagnosis #cardiology #infectiousdiseases
Pain, Agitation, and Delirium (PAD) in the ICU
Addressing the ICU Triad (PAD) can be accomplished through
bradycardia. renal/liver ... it should not cause ... dissociative drug, it causes ... 0.5mg x1) for nausea ... CriticalCare #diagnosis #management