26 results
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Infective endocarditis ... • Native and ... prosthetic valve endocarditis ... #Infective #Endocarditis ... #Differential #Microbiology
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
blood culture negative ... infective endocarditis ... causes #culture #negative ... #Endocarditis # ... InfectiousDiseases #Microbiology
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
Plump gram-negative ... Gram-negative rods ... Gram-negative rods ... Patterns #Diagnosis #Comparison ... #Presentation #Pulmonary
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Streptocccus Pneumoniae Microbiology ... Alpha-hemolytic, Catalase Negative ... peritonitis, and endocarditis ... Meningitis 10-14 days, Endocarditis ... Pneumoniae #strep #microbiology
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
from Infective Endocarditis ... serology: Serial negative ... Frequent false-negative ... cultures/serology: + (Negative ... #comparison #infective
Aortic and Mitral Valve Vegetations in Endocarditis on POCUS - PLAX

Why would this 30 y/o male
Vegetations in Endocarditis ... on POCUS - PLAX ... murmur... but with #POCUS ... mitral valves and pulmonary ... #Vegetations #Endocarditis
Complications of Staph Aureus Bacteremia
 • CNS Infections
 • Septic pulmonary embolism (0.9% - 18.8%)
 •
Infections • Septic pulmonary ... ) • Infective endocarditis ... - Native valve ... arthritis - Native
Barcode Sign in Pneumothorax on POCUS - M-Mode

seashore sign: normal lung sliding

barcode/stratosphere sign: pneumothorax 

#Pneumothorax #Barcode
Pneumothorax on POCUS ... Barcode #Sign #POCUS ... #Diagnosis #Comparison ... stratosphere #Clinical #Pulmonary
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Endocarditis Summary ... Hypercoagulable (APLAS) Microbiology ... • Coagulase-negative ... Cerebral > Splenic, pulmonary ... #Endocarditis
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Cryoglobulinemia, Endocarditis ... With associated pulmonary ... Pauci-immune mediated (Negative