Nuggets of Knowledge – July 31st hodge podge: warfarin bridging, lumbar puncture findings, and ID tidbits

When to NOT bridge warfarin with LMWH following a procedure (low risk)
– Laprascopic surgery
– Dermatologic procedures
– Ophthalmologic procedures
– Colonoscopies
– Bone marrow aspirate and biopsy, lumbar punctures
– Thoracentesis

CSF findings that would raise suspicion of viral encephalitis (not meningitis)
– Increased WBC but <250/mL
– Increased protein but <150 mg/dL
– Normal glucose (decreased with herpes simplex)
– RBC usually absent, but positive in HSV-1 or if contaminants present

Gram-negative bacilli may be divided into fermenters and non-fermenters.
Fermenters can be found in GI/GU: 
E. coli, Proteus mirabilis, Klebsiella spp.
Non-fermenters (skin, resp, GU): Pseudomonas aeruginosa, Acinetobacter spp., Legionella pneumophila

Acinetobacter susceptibilities follow Pseudomonas susceptibilities closely!

And while I’m at it..
Gram-negative cocci
– Neisseria gonorrhoeae
– Neisseria meningitidis
– Moraxella catarrhalis
– Haemophilus influenzae

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