infection Flashcards
sublingual space borders
anterior-lingual mandible
posterior- submandibular space
superior- oral mucosa
inferior-mylohyoid
submental space borders
anterior-inferior border of mandible
posterior-hyoid
superior-mylohyoid
lateral-anterior digastric
Pterygomandibular space borders
anterior-buccal space
posterior-parotid
lateral-ramus of mandible
medial-media pterygoid
masseteric space borders
anterior-buccal space
posterior-parotid gland
lateral-masseter
medial-mandible
Superior-zygomatic arch
Lateral pharyngeal space boarders
anterior-superior constrictors
posterior-carotid sheath-
lateral-medial pterygoid
medial pharyngeal constrictors
retropharyngeal space boarders
anterior-constrictors
posterior- alar fascia
superior- skull of base
goes to about c6-t4
submandibular space boarders
anterior-anterior digastric
posterior- posterior digastric
superior inferior or medial surface of mandible
coverage for MRSA?
Bactrim(tmp/smx) or clindamycin
What is the treatment for orbital abscess?
-immediate drainage in all cases
-if it goes intracranial cover anaerobes
-if drainage just use transconj
What nerves are in the cavernous sinus?
3,4,6,V1,v2
What is the earliest sign of cavernous sinus thrombosis?
lateral gaze palsy (LR 6).
how does danger triangle spread?
via valveless veins. from facial vein>angular vein>ophthalmic vein
Necrotizing fascitis infection patterns?
Type 1 mixed aerobic and aneorbixc
Type 2 or strept pyogenes(kids)
Type 3 MRSA.
Type 4 is clostridial
type 5 is klebsiella/.
Common anaerobic oral bacteria?
Peptostreptococci
bacteroides
provetella
actinomyces
Facultative bacteria that start the infection
staph
strep
e. coli
Major pathogens of the oral cavity
Viridans, streptococcus milleri. peptostreptococcus, prevotella.
clindamycin MOA
50S subunite(inhibit protein synthesis)
good anaerobinc
How do you manage C diff?
Stop abx. hydration and electrolyte replacement.
Metronidazola or vancomycin abx
antibiotic prophylaxis
amoxicillin 2g
if allergic azythromycin 500 mg.
ciprofloxacin moa
Fluoroquinolones: inhibit dna replication.
risk of chrondrotoxicity. worsen QT prolongation.
necrotizing fasciitis abx protocol
zosyn, vanc, clinda
cavernous sinus thrombosis abx protocol
ceftriaxone. vanc, metro
What does left shift in WBC mean?
presence of more immature white blood cells into the bloodstream.
Give 30 ml/kg of IV fluid bolus in ED
Metronidazol MOA
DNA strand breakage.
tetracycline moa
30s inhibit
preseptal orbitat bugs
staph, streph, hemophelius
post septal
staph and streph
