EENT Emergencies Flashcards Preview

Paramedic 02 > EENT Emergencies > Flashcards

Flashcards in EENT Emergencies Deck (71)
Loading flashcards...
1

Globe

Eyeball

2

Oculomotor Nerve

Third cranial Nerve that inner fates the muscles that cause motion of the eyes and upper eyelids.

3

Optic Nerve

Second Cranial Nerve, provides sense of vision

4

Sclera

White of the eye, tough fibrous coat that helps maintain shape of the eyes. Hepatitis or cirrhosis cause yellowing of this part

5

Cornea

Transparent anterior portion of the eye that overlays the iris and pupils.
Clouding of cornea results in cataracts

6

Conjuctiva

Mucous membrane that covers sclera and internal surfaces of the eyelids but not iris.
Cyanosis can be detected in conjuctiva

7

Iris

Pigmented part of the eye

8

Pupil

Circle opening that opens inside the iris.
Dialates to let more light inside

9

Lens

Transparent structure that can alter its thickness to focus light on retina at back of the eyes

10

Retina

Received light impulses and converts them to nerve signals that are conducted by brain and optic Nerve and interpreted as vison

11

Aqueous Humor

Clear watery fluid in eye

12

Vitreous Humor

Jelly like substance that maintains shape of globe between the iris and cornea

13

Central Vision

Facilitates visualization of objects directly in front of you

14

Peripheral Vision

Visualization of lateral objects when looking forward

15

Lacrimal Apparatus

Secretes and drains tears from the eye

16

Nasolacrimal Duct

Drains tears from lacrimal gland
From above eye to the corner of the eye

17

Dysconjugate Gaze

Discoordination between the movements of two eyes

18

Adnexa

Surrounding tissues and structures of the eyes

19

Thermal Burns

Fire, burns the eyes

20

Infrared Rays

Sun, laser burns occurs

21

UV Light

Welding, causes superficial burns of the eye
May take 3 to 5 hours for pain
Management- Cover eyes with sterile moist pad and eye shield
Cool compress may provide some pain relief
Place patient in supine position

22

Chemical burns

Acid or alkali substances
Management- immediate irrigation!!!
Use only sterile water or saline
Use a syringe or nasal cannula
Irrigate for at least 5 minutes
Irrigate for at least 20 if eye is affected by acid or alkali substance

23

Morgan Lens

Eyed device used for constant irrigation

24

Removing contact lenses

Don't attempt to remove if eye is injured
ONLY remove if chemical burn to the eye
Hard lense- use small suction cup
Soft lense- one to two drops of saline in eye, gently pinch lense, and place lense in sterile water container

25

Conjuctivitis

"Pink eye" conjuctiva becomes inflamed and red
Most often starts in one eye and moves to the other

26

Corneal Abrasion

Scrape to outside of the eye
Can irrigate or tape eyelid close

27

Photophobia

Sensitivity to light

28

Foreign Body

Dust, dust, splinters
Management- If on surface on cornea, remove with soft tip cotton swab moistened
Stabilize object in glove
Cover with moist sterile dressing and cover other eye.

29

Chalzion

Oil gland of eyelid becomes block and forms a swollen bump or pustule

30

Hordeolum

"Style" red tender bump on eyelid from blocked oil duct