PE Block 1 Flashcards
Define Hyperopia
Define Presbyopia
Define Myopia
Farsightedness
Aging vision
Nearsightedness
Gradual loss of vision is usually due to what two issues?
Cataracts
Macular degeneration
Slow central loss of vision in nuclear cataract is due to ?
Peripheral loss of vision is usually due to ?
Macular degeneration
Open angle glaucoma
One sided loss of vision is usually due to?
Hemianopsia
Quadrantic defect
Pt complains of specks or floating debris in field of view, what causes this?
Moving- vitreous floaters
Fixed- scotomas, lesion on retina or in visual pathway
PT complains of moving specks or flashing lights is suggestive of what?
Detached vitreous from retina
What can cause diplopia in adults?
Lesion in brainstem/cerebellum
Weak/paralyzed extraocular muscle
Horizontal diplopia can be attributed to palsy in what nerve?
Vertical diplopia can be attributed to palsy in what nerve?
CN3 or 6
CN 3 or 4
PTs with vertigo point to a problem with what CN?
CN8
What are the two types of hearing impairment?
Conductive loss- problem with external/middle ear
Sensorineural- inner ear, cochlear nerve, connection to brain
What types of difficulties do PTs with sensorineural hearing loss experience?
Understanding speech
Complain others mumble
Difficult hearing in noisy environments
PTs with conductive hearing loss exhibit decreased/improvement of symptoms in what type of environment?
Noisy
What are some S/Sx of acute/chronic otitis media?
Unusually soft ear wax
Debris
Rash in canal
Discharge through perforated ear drum
What Sx identifies true vertigo?
Do you feel the room is spinning
Feeling of being pulled= inner ear problem or CN8 lesion
What are 3 causes of rhinorrhea?
Viral infections
Allergic rhinitis- proven by itching
Vasomotor rhinits
Define Rhinits Medicamentosa
Excessive use of decongestants that worsens symptoms
What are 3 drugs that may cause stuffiness?
Oral contraceptives
Reserpine
Guanethidine
ETOH
Epistaxis can come from the nose itself or what other two areas?
Paranasal sinus
Nasopharynx
What questions can be asked to test for thyroid function?
Temperature intolerance
Sweating
What can apthhous ulcers mean?
Sore smooth tongue of nutritional deficiency
What other S/Sx often accompany pharyngitis?
Enlarged tender lymph nodes
No fever
Exudate
What are some S/Sx of Hypo/Hyperthyroidism?
Hypo- Intolerant to cold, dec sweating
Hyper- palpitations, hot, involuntary weight loss
What are some structures checked when PTs complain of changes in vision?
Lens
Macula
Macular degeneration
Glaucoma
Define Nits
Lice eggs
What does redness and scaling under the hair/on the scalp indicate?
Seborrheic dermatitis
Psoriasis
Pilar cysts
Pigmented nevi
Define Wens
Pilar cysts
When/why does hirsutism occur in women?
PCOS
Define the Palpebral Conjunctiva
Define the Bulbar Conjunctiva
Lines eyelids
Covers most of anterior eye
Define the Visual Field
Entire area seen by an eye when it looks at a central point
Define Direct Reaction
Define Consensual Reaction
Light beam shining causes pupil constriction in that eye
Light beam shining causes pupil constriction in opposite eye
Which CN controls iris constriction/dilation?
CN3
Define Accommodation
Increase in convexity of lens cause by contraction of ciliary muscles changing shape of lens to bring near object into focus
How are PTs older than 45y/o tested to see if reading glasses or bifocals are needed?
Near vision tested with hand held card
What is the definition for legally blind?
Better eye corrected by glasses is 20/200 or less
Constricted field of vision 20* or less in better eye
What area of vision is affected by most defects?
Temporal
When/what causes an enlarged blind spot?
Conditions affecting optic nerve
Glaucoma
Optic neuritis
Pailledema
What causes inward/outward deviation of eyes when assessing position and alignment?
Graves Disease
Ocular tumor
What causes eyebrow scaliness?
Seborrheic dermatitis
Lateral sparseness= hypothyroidism
What causes an upstarting palpebral fissure on the tongue?
Down’s Syndrome
AKA Scrotal tongue
Define Blephritis
Red inflammed lid margins
What can cause excessive tearing from increased production?
What can cause excessive tearing from inadequate drainage?
Conjunctival inflammation, corneal irritation
Ectropion, lacrimal duct obstruction
Define Aniosocoria
Pupil inequality of less than 0.5mm
Testing the eyes for the near reaction is helpful in diagnosing what disorder?
Argyll Robertson/ Tonic(Adies) pupil
What is the follow on test if the reaction to light is impaired or questionable?
Near reaction in normal room light
What does the cover-uncover test reveal issues of?
Muscle imbalances
Define Nystagmus
Fine rhythmic oscillation of the eyes
Few beats w/ later gaze is normal
How does lid lag in hyperthyroidism appear?
Rim of sclera is visible above iris with downward gazes
Normal= lid should over lap iris slightly throughout movement
Define Proptosis
Abnormal protrusion of eyes in hyperthyroidism
Normal convergence can follow the object to as close as what distance?
5 - 8 cm
Poor convergence is a sign of ?
Hyperthyroidism
What are the contraindications for using mydriatic drops?
Head injury/coma
Suspicion of narrow gaze glaucoma
If a PTs lens has been surgically removed from their eye, how does this change the providers view of examining their eye?
Magnifying effect is lost
Retinal structures look smaller than usual
Larger expanse of fundus is visible
What is the function of the diopter
Unit that measures the power of a lens to converge/diverge light
Define Hippus
Spasm of the pupil from bright, direct light
How is the diopter adjusted for PTs with myopic vision? Hyperopic?
My- counterclockwise, minus
Hyper- clockwise to plus
What are 4 characteristics to be noted of the disc during inspection?
Clarity of outline
Color
Size
Comparative symmetry
Define Papilledema
Swelling of optic disc and anterior bulge of physiologic cup
Indicates serious issue with brain, meningitis, subarachnoid hemorrhage, trauma, lesion
How does light focus to the retina in PTs with hyper/myopia?
Which one will have retinal structures that look larger than normal?
My- anterior focus
Hyper- posterior
Myopic
What does an enlarged cup suggest an issue of?
Chronic open angle glaucoma
Define SVP and what they indicate
Spontaneous Venous Pulsations
Normal in 75% of PTs
Indicates intracranial pressure is probably normal
What is the sequence of inspection from the disc to macula?
1- 10 oclock 2- 7 3- 5 4- 1 5- 3
Loss of SVPs can indicate what 3 things?
Head trauma
Meningitis
Mass lesions
To inspect the anterior structures of the eye adjust the number on the diopter to ?
10 or 12
What is an important cause of poor central vision in the elderly?
Macular degeneration
What are the different types of macular degeneration?
Dry atrophic- more severe
Wet exudative- neovascular
Drusen- undigested cell debris
What are the two parts of the external ear?
Auricle
Ear canal
What are the two chief landmarks of the malleus when viewing the TM?
Handle
Short process
Define the Umbo
Where eardrum meets the tip of the malleus
Define the Pars Flaccida
Define Pars Tens
Above the short process of the TM
Rest of the TM not ID’s
What structures separate the pars flaccida from the pars tensa?
Anterior/posterior malleolar folds, extend obliquely upward from short process
Define the Conductive Phase of hearing?
Define the Sensorineural Phase
1st part
External ear to middle ear
Described by air conduction
Cochlea and cochlear nerve
What does a painful “Tug Test” indicate?
Acute ottits externa- inflammation of ear canal
Ottits media- inflammation of the middle ear- presents with pain behind the ear
Define Exostoses
Nontender nodular swellings covered by normal skin in the ear canal
How does the ear canal appear/present in Acute Otitis Externa
How does it appear with Chronic Otits Externa
Swollen, narrow, moist, pale/red, tender
Skin is thickened, red, itchy
An unusually prominent short process and handle that looks more horizontal suggest what?
Retracted ear drum
How is mobility of the eardrum evaluated?
Pneumatic otoscope
What size tuning fork is preferred for testing hearing?
512 Hz
1024 Hz
Normal human speech falls in 300-3000Hz
Define the Weber Test
Test for lateralization of hearing
Define the Rinne Test
Compares air conduction with bone conduction (an alternate path that bypasses external and middle ear)
What can cause unilateral conductive hearing loss?
Acute otitis media
Perforated TM
Obstructed ear canal
The nasolacrimal duct drains into the ___ meatus
The paranasal sinuses drain into the ____ meatus
Inferior
Middle
Which sets of sinuses are accessible for clinical examination?
Frontal
Maxillary
Define Alae
Tenderness of the nasal tip
Suggests local infection (furuncle)
Viral rhinitis causes the mucosa to be ? color
Allergic rhinitis causes the mucosa to be ? color
Viral = Red, swollen Allergic= pale, blueish, red
Polyps seen in the nasal cavity usually come from which meatus and are associated with?
Middle
Chronic allergic rhinitis
When inspecting the sinuses, what combination of S/Sxs suggest acute sinusitis
Local tenderness
Pain
Fever
Nasal discharge
Where are Wharton’s Ducts located?
Where are the Stenson’s Ducts located?
Base of the tongue for the submandibular glands
Opening in buccal mucosa near 2nd molars
What do bright red edematous mucosa underneath a denture suggest?
Denture sore mouth
Can present with ulcers or papillary granulation tissue
Redness of gingiva = ?
Black line of gingiva = ?
Gingivitis
Lead poisoning
Define Torus Palatinus
Benign midline lump on the tongue
What are the two most common cancers of the mouth?
1st- lips
2nd- tongue (1- side, 2-base)
How does the soft palate/uvula respond to CN10 paralysis?
Soft palate fails to rise
Uvula deviates to opposite side
What are the borders of the Anterior Triangle
Mandible
Sternomastoid
Midline of neck
What are the borders of the Posterior Triangle
Sternomastoid muscle
Trapezius
Clavicle
What vessels pass under and over the sternomastoid muscles?
Carotid and Internal Jugular- deep
External jugular- over
What are the 5 midline structures of the neck?
Hyoid bone Thyroid cartilage Cricoid cartilage Tracheal rings Thyroid gland
The deep cervical chain of lymph nodes is largely obscured by the overlying sternomastoid muscle except for what two?
Tonislar node
Supraclavicular node
What is a visible clue to an unsuspected thyroid disease?
Scar of past thyroid surgery
A tonsilar node the pulsates is actually ?
Carotid artery
A hard/tender tonsillar node high and deep between the mandible and sternomastoid is ?
Styloid process
What is the sequence for feeling lymph nodes?
Preauricular / Posterior auricular Occipital Tonsillar Submandibular Submental Superficial cervical / Posterior cervical Deep cervical Suprclavicular
Enlarged supraclavicular nodes suggests the possibility of?
Metastasis from thoracic or abdominal malignancy
ESPECIALLY left side node
Tender nodes suggest ____
Hard/fixed nodes suggest ____
Inflammation
Malignancy
Diffuse lymphadenopathy raises the suspicion of ?
HIV/AIDS
If unsure a mass is a band of muscle or artery from a lymph node, what test can be done?
Roll up and down, side to side
Artery and muscles will not pass the test
Thyroid isthmus is usually found covering which tracheal rings?
2-4
If a thyroid gland is enlarged, what follow on test can be conducted?
Listen over lateral lobes with stethoscope to detect a bruit (similar to a cardiac murmur)
Localized/continuous bruit may be heard in hyperthyroidism
How with the thyroid adapt/change in response to different diseases?
Graves Disease- soft
Hashimotos- firm
Tenderness- thyroiditis
What is an exophthalmometer used for?
Measures distance between lateral angle of orbit and line across most anterior of cornea
20mm in whites, 22mm in blacks
F/u testing with CT/US
Discharge of mucopurulent fluid from the puncta suggests ?
Obstructed nasolacrimal duct
Absence of glow on one or both sinuses suggests ?
Thickened mucosa
Secretions in frontal sinuses
Developmental absence of one/both sinuses
What visual sign indicates a normal air-filled maxillary sinus
Bright light shining down from inner aspect of eye
Head tilted back, mouth open
Reddish glow is normal
What does an absence of glow with a bright light- open mouth test mean?
Thickened mucosa
Secretion in maxillary sinus
CN_ opens eye lid
CN_ closes it
3
7
What are the medial and lateral points of the eye called?
Medial/lateral canthus
Define Limbus
Why is this landmark important?
Where cornea inserts into the sclera
Peripheral border of iris and determines angle of the eye
What are the differences between the palpebral and bulbar conjunctiva
Palpebral- covers posterior lid
Bulbar- covers sclera. single membrane that reflects back onto itself
What is normally the only part of the lacrimal system that is visible?
Puncta- medial aspect of eye that drains into lacrimal duct
Cornea covers ___ of eye globe and is continuous with the _____
1/6
Sclera
Anterior chamber of the eye is from _____ to _____ and contains______
Cornea
Iris
Canal of Schlemm
Where does acute angle glaucoma occur?
Anterior chamber
What separates the anterior and posterior chambers of the eye?
Iris
What part of what nervous system opens and closes the eye?
Sympathetic CN3 open
Parasympathetic CN3 close
Posterior chamber of the eye is between the _____ and _____ and contains the ____
Iris
Lens
Ciliary body
What eye structure produces aqueous humor?
Ciliary body
What shape is the lens?
Biconvex
What are the functions of the vitreous body and occupies what space?
Eyeball form
Transmits signals to retina
Hold retina against choroid
Everything posterior to lens
The otpic disc is what CN and contains what landmark structure?
CN2
Contains physiologic blind spot
What is the cup in the back of the eye?
Entrance/exit of nerves and vessels
The disc in the eye is used as a land mark for what?
Describing size of anything found internally and landmark for describing locations of abnormalities within the eye
Where are the rods and cones located within the eye?
How is this area identified?
Macula
No blood vessels
What is the function of the fovea?
Center of macula with highest density of cones, responsible for fine vision and highest sensitivity to light
What is the “vital signs” of the eye?
Visual acuity
What is the function of a Snellen Chart?
A Rosenbaum chart?
Vision
Near vision
What does OD OS and OU mean?
Oculus dexter
Oculu sinister
Oculus uterque
What types of eye charts should be used for children between 2-3y/o for acuity?
HOTV
Tumbling E
Lea
Allen
What is a gross measure of visual acuity in young, preverbal children?
Ability to visually follow objects in front of them
If vision acuity of 20/20 is not achieved, what is the next step?
Pinhole testing to determine if vision is correctable to 20/20