HEENT BORED Flashcards
Muscles of the Eye?
- Superior/Inferior Oblique
- Lateral/Medial Rectus
- Superior/Inferior Rectus
Superior Oblique CN/Movement
IV
up and in
Inferior Oblique CN/Movement
III
down/in
Superior Rectus CN/Movement
III
Up/lateral
Inferior Rectus CN/Movement
III
Down
Lateral Rectus CN/Movement
VI
lateral/down
Medial Recuts CN/Movement
III
Medial aka in
Nasal Pathogens
Strep Pneumonia
Staph Aureus
Maroxella
Hemophilic Influenza
What type of forceps are used for nasal packing?
- Bayonet
- place gauze in ACCORDIAN fashion
Outer/Inner ear separated by
TM
Pressure changes made by
Eustachian Tube
4 Ototoxic Meds and 1 Specific example
Aminoglycosides/Chemo/Antimalarial/Salicytes
Furosemide
Kiesselblach Plexus
Convergences of small fragile arteries and veins in nose
What is the average number of teeth?
32
Meds for nasal packing
oral antibiotics
Low set ear angle is a sign of?
down syndrome
Preferred method of cauterization
silver nitrate (POISON)
Rinne Test Ratio
2:1
90% of nose bleeds are…
anterior
Red bulge adjacent to tonsils hallmark of
PTA
Chronic bilateral inflammation of eyelids
blepharitis
Entropion
eyelids rolled inward
Blepharitis Tx
Scrub shampoo/compress
Blepharitis Meds
Tetracycline
Hordeolum vs Chalazion
Hordeolum is acute and painful
Charizard is chronic with no px
Hordeolum aka?
stye
Glands affected by hordeolum (internal and external)
external: zeis
internal: melibomian
hordeolum and chalazion tx
warm compress
Hyperemia
red injection into eyes
Viral Conjunctivitis meds
epinastine or a corticosteroid
Allergenic Conjunctivitis meds
antihistamine/steroids
Bacterial Conjunctivitis meds
Erythromycin for non contacts
Cipro contacts
Pterygium
related to sunlight exposure or chronic inflammation of conjunctival layers and cornea
Ocular Foreign Body Med
Topical Anesthetic and Cipro
Ocular Foreign Body f/u for non contact wearers
24h and every day for 3-5 days
PWT Bromine requirement
2.0 onlyyyyyy
Why do we test four water sites?
crew of 100 or less
Incubator temp for bacti?
36
Amount of water for testing?
100ml
Corneal size of globe
anterior 1/6th of globe
Woodslamp color
cobalt blue
3 corneal ulcer causes
bacteria
virus
fungus
Corneal ulcer sx?
- visual acuity decrease
- hypopyon
- photophobia with Px
Corneal Ulcer Tx plan
Cipro and MEDEVAC
CN 1-12
- Olfactory
- Optic
- Occular Motor
- Trochlear
- Trigeminal
- Abducens
- Facial
- Vestibular
- Glossopharyngeal
- Vagus
- Spinal
- Hypoglossal
5 senses
smell
taste
equilibrium
hearing
sight
Somatic senses
- tactile
- thermal
- px
- proprioception
Internal Organ Sensation aka
Visceral Sensation
4 conditions for sensation
stimulus
receptors
nerve pathways
brain interpretation
Mechanoreceptor
mechanical information
Thermoreceptor
Hot/cold
Nocicreceptor
detect px
Photoreceptor
light
Chemoreceptor
Chemicals
Osmoreceptor
osmotic pressure
Somatic sensations arise from?
sensory receptors
Cold in Epidermis temp
50-150
Warm in dermis temp
90-118
Detectable temps
50-118
Activation of nociceptors temps
less than 10 or greater than 48
What are the 3 ossicles?
- malleus
- incus
- stapes
Olfactory cells are held in nasal epithelium of…
Criboform plate
Olfactory Pathway
Cilia
Epithelium
CNI
Cribriform plate
olfactory bulb
olfactory tract
cerebral cortex
5 tastes
salt
sweet
bitter
sour
umami
Anterior 2/3 taste CN
7
Posterior 1/3 taste CN
9
Accessory eye structures?
- eyebrows
- eye lids
- eye lashes
- lacrimal apparatus
Tear flow
Lacrimal….
gland
duct
canal
sac
duct
nasal cavity
What is the inner layer of the eye?
retina
What part of the eye detects color?
cones
Eye color for black and white
rods
What maintains shape of eye
vitreous chamber
Term used for near sighted?
presbyopia
Iris covering
cornea
White of eye
sclera
Dense of connective tissue
sclera
Color of eye
iris
Normal IOP
16mmHg
Eustachian Tube aka
auditory canal
Principal organ of hearing
cochlea
CNIII Path
passes through midbrain to thalamus to temporal lobe
3 receptor organs of equilibrium
- saccule
- utricle
- semicircular duct
Dynamic vs Static Equilibrium
dynamic occurs while moving
What is the only part of body without nociceptors?
brain
Layers of skin for heat
dermis
Layers of skin for cold
epidermis
Chronic pain is?
slow pain
Sharp or acute pain is?
fast pain
Ethmoid/Cribiform plates holes contain?
olfactory nerves
CN VIII branches into
cerebellum
All eye muscles…
pull
What are the 3 eye layers?
- fibrous tunic
- vascular tunic
- retina
Photoreceptor layer
rods and cones
Which ossicle touches TM?
Malleus
Jelly-like posterior layer of eye?
Virtuous chamber
Fluid filling space between lens and cornea?
Aqueous Humor
3 salivary glands
parotid submandibular and sublingual
Stensen’s duct location
2nd molar on maxilla
Wharton’s Duct location
Small papula at frenulum
What is the major accessible artery of the face?
temporal
Thyroid size?
4cm, right lobe is 25% larger
Myxedema sx
puffy yellow skin
coarse hair
preorbital edema
Acromegaly
broad nasal with prominent zygomatic arch
Hippocratic facies
sunken eyes with dry rough skin
Term for enlarged head, bulging fontanel, dilated scalp veins, and bossing skull?
Hydrocephalus
Butterfly rash a sign of
Lupus
3 layers of vascular tunic
choroid
ciliary body
iris
2 regions of fibrous tunic
cornea and sclera
White of eye aka?
sclera
Gustation
sense of taste
What carries out 75% of refraction?
cornea
lies anterior to vestibule and is primary organ of hearing
cochlea
Accumulation of RBC within eye chamber
Hyphemia
Hyphemia Sx
Clot in anterior chamber
Trauma/PX
Hyphemia Tx
MEDEVAC
Elevate head 30 degrees
Eye shield
Orbital Cellulitis Sx
Red eye
fever
pain with movement
sinus headache/teeth px
Orbital Cellulitis Hallmarks
Eyelid edema
Conjunctival injection
Restricted Motility
Orbital Cellulitis Meds
IV Antibiotics or IM Rocephin
Orbital Rim Fracture involves…
Outer Edges of Orbit
Blowout Fx involves…
Floor or inner well of orbit
Orbital Floor Fx
trauma to rim pushes bone back
Orbit Fx Sx
px with movement
crepitus
emphysema
binocular diplopia
CHEEK NUMBNESS
Orbital Fracture Meds
Antibiotics
Afrin
Acute Vision Loss AKA
Transient Vision Loss
Average Acute Vision Loss duration
1h-24h
Acute Vision Loss 10-60 minutes a sign of
Migraine (with or without a headache)
3 types of Retinal Detachment (RET)
Rhegmatogenous
Exudative
Tractional
Rheg. Retinal Detachment factors + sx
most common
one or more hours
50 y/o or older
floaters/shadow
Exudative Retinal Detachment + symptoms
Accumulated fluid or tumor related
minimal vision loss/retinal dome
Tractional Retinal Detachment caused by
DM/Occlusions
Corneal Ulcer Med
Cipro
do not use patch
Flash Burn
caused by sun/welding
Flash Burn Sx
Mild px
Tearing
Bilateral
Flash Burn Tx
oral pain meds
antibiotics
Chemical Burn Tx
Irrigation and topical antibiotics
Herpetic Lesion Tx
Oral Antivirals
Vision Loss for a few seconds common cause
HTN
Blepharitis associated with
Acne
Virus Associated with Conjunctivitis
adenovirus
Bacterial Conjunctivitis vs Viral
bacteria=unilateral
virus= bilateral
Primary Tx Bacterial Conjunctivitis
Azithromycin
Gonococcal Conjunctivitis Meds
Rocephin and Azithromycin
Before every eye treatment do…
Visual Acuity
Uveitis vs Iritis
MEDEVAC (cant diagnose)
Uveitis/Iritis Med
Atropine
Cellulitis Meds
Amoxicillin
Augmentin
Mastoiditis causes
Untreated otitis media
Mastoiditis Tx/med
MEDEVAC
Otic Antibiotic
Otitis Externa Med
Acidification and Otic Antibiotic
Otitis Media Affects
Eustachian Tube/Temporal Bone
Otitis Media Meds
Oral Antibiotics and Nasal Decongestant
ETD Physiology
Dilated Eustachian Tube
ETD Sx
Px
Fullness
Tinnitus
TM Perforation Physiology
Pars tensa is thin and easily torn
TM Perf Sx
tinnitus
acute px
blood
NV
TM Perf use Antibiotics if…
Foreign material is cause
Cholesteatoma
benign** tumor in middle ear that destroys bone and tissue
Cholesteatoma Disposition/Complication
MEDEVAC and death
Barotrauma Sx
Hearing loss
middle ear
bulging TM
fluid
Barotrauma Meds
Symptomatically or oral decongestants
Sudden Hearing Loss time
3 days or less
4 Epistaxis Tx
- direct pressure
- decongestant
- packing
- oral antibiotics
Nasal polyps
benign nasal tumors on mucosa
Nasal Polyps med
MEDADVICE for prednisone
Sinusitis treat after how many days?
10
Sinusitis meds
Antibiotics
Epiglottitis Med
Decadron (STEROID BABY)
Epiglottitis Disposition
MEDEVAC
Leukoplakia
White lesions that cannot be removed
Leukoplakia caused by
pre cancer/irritants
PTA Disposition
MEDEVAC
Pharyngitis/Tonsillitis Bacteria
GABHS aka A-B hemolytic strep
4 Centor Criteria
fever 38 C
anterior lymph swelling
no cough
tonsillar exudate
Pharyngitis/Tonsillitis Meds
-cillins (check please)
Sialadenitis
Staph aureus clogs salivary glands
Sialadenitis Tx
MEDEVAC and H20
Tonsilliths aka
Tonsil Stones
Tonsilliths tx
salt water gargles
Tonsilliths sx
halitosis
sore throat
white debris