Shared Flashcard Set

Details

Ocular Emergencies part II
Nov. 24
25
Other
Professional
11/24/2011

Additional Other Flashcards

 


 

Cards

Term
How long should you irrigate after chemical trauma?
Definition
at least 30 minutes, until pH is neutral
Term

T / F

 

Patching is a suitable treatment for abrasion injuries

Definition

False

 

avoid patching

Term
What is hyphema usually due to?
Definition
blunt or penetrating injuries
Term
What is a common problem with hyphema?
Definition
Rebleeds (20-25%) usually b/w 3-5 days
Term
What should a px with hyphema NOT take?
Definition
They should not take aspirin
Term

If a px presents with laceration injury,

what must we check?

Definition
Need to make sure the globe has not been penetrated
Term
What should we do with a px with laceration injury?
Definition

cover with protective shield & refer

(perhaps to a plastic surgeon)

Term

If lid margin laceration occurs,

what is critical treatment?

Definition
sutures
Term

If laceration to the cornea occurs,

 what is the treatment?

Definition
usually heals without antibiotics
Term
What is the treatment for laceration of the lens?
Definition
Lens extraction
Term
What is the treatment for a sclera laceration?
Definition
sutures & IV antibiotics
Term

Name 4 emergency situations that

could cause sudden vision loss

Definition

1) vascular occlusion / stroke

2) retinal detachment

3) anterior ischemic optic neuropathy

4) trauma

Term

Which of the following is not associated wtih floaters

 

- hyperopia

- vitreous changes

- intermediate uveitis

- retinal tear / detachment

- normal vitreous

Definition

not hyperopia

 

(myopia is associated with floaters)

Term
Retinal detachment is usually preceded by ______
Definition
retinal break that allows fluid under retina
Term
What visual symptoms will a px with retinal detachment complain of
Definition

flashes, floaters

 

may notice field defects / disturbed vision

(eg. like a curtain came over their vision, or as though they were looking through water)

Term
Vitreous hemorrhage is usually a complication or which condition?
Definition
diabetic retinopathy
Term
Optic neuritis is usually seen between which ages?
Definition
20-50 years
Term
Half of patients with optic neuritis develop which condition?
Definition
Multiple sclerosis
Term

Most 3rd nerve palsies are due to:

- aneurysm

- vascular (HT, diabetes)

- tumours

- trauma

- undetermined / other

Definition
30% are miscellaneous & undetermined
Term
Most 3rd nerve palsy patients without pupil involvement will resolve within how long?
Definition
6 months
Term

Px present with a head turn & complains of double vision when they look to their right

 

possible cause?

Definition
sixth nerve palsy
Term
Name 4 causes of ptosis
Definition

1) mechanical lid involvement

2) myasthenia gravis

3) horner syndrome

4) 3rd nerve palsy

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