Lec 2: Stroke Syndrome Flashcards Preview

[OS 211] Exam 1 Carlos Cluster > Lec 2: Stroke Syndrome > Flashcards

Flashcards in Lec 2: Stroke Syndrome Deck (36)
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1
Q

Stroke prevalence in the Philippines

a. 1.4 per 100
b. 1.4 per 1000
c. 14 per 100
d. 0.14 per 100
e. 140 per 1000

A

A. 1.4 per 100

2
Q
Previous stroke increases chance of another stroke by:
A. 5x
B. 10x
C. 15x
D. 20x
A

B. 10x

3
Q

Episode of neurologic dysfunction caused by focal brain or spinal or retinal ischemia without evidence of acute infarction (by imaging)

A

TIA

4
Q

The probability of stroke occurring within 30 days after a TIA

A

7-15%

5
Q

Thrombi are dissolved by substances such as

A

Protein C and Protein S

6
Q

transient monocular blindness; retinal artery affected

A

amaurosis fugax

7
Q

What type of hemorrhagic stroke? Commonly caused by uncontrolled hypertension

A

Intracerebral hemorrhage

8
Q

What type of hemorrhagic stroke? Base of the brain

A

Subarachnoid hemorrhage

9
Q

What type of hemorrhagic stroke? Commonly caused by trauma

A

Subarachnoid hemorrhage

10
Q

What type of Intracranial hemorrhage? Typically biconvex in shape

A

Extradural/epidural

11
Q

What type of Intracranial hemorrhage? Crescent shaped/concave configuration

A

Subdural

12
Q

What type of Intracranial hemorrhage? Normally contains CSF

A

Subarachnoid

13
Q

common cause of stroke in the young

A

over-the-counter decongestants

14
Q

small vessels involved in hypertensive ICH

A
  1. Lenticulostriate arteries
  2. Thalamoperforant
  3. Thalamogeniculate
  4. Basilar penetrants
15
Q

Most common site affected by ICH

A

Putamen (40-50%)

16
Q

What type of ICH? Usually presents with contralateral hemiparesis

A. Putaminal Hemorrhage
B. Thalamic Hemorrhage
C. Pontine Hemorrhage
D. Cerebellar Hemorrhage

A

A.

17
Q

What type of ICH? Presents with prominent sensory deficit involving all modalities

A. Putaminal Hemorrhage
B. Thalamic Hemorrhage
C. Pontine Hemorrhage
D. Cerebellar Hemorrhage

A

B (Thalamus is involved in sensory perception and in motor coordination)

18
Q

What type of ICH? Presents with deep coma with quadriplegia

A. Putaminal Hemorrhage
B. Thalamic Hemorrhage
C. Pontine Hemorrhage
D. Cerebellar Hemorrhage

A

C

19
Q

What type of ICH? Presents with occipital headache,
repeated vomiting, nystagmus and ataxia of gait

A. Putaminal Hemorrhage
B. Thalamic Hemorrhage
C. Pontine Hemorrhage
D. Cerebellar Hemorrhage

A

D

20
Q

What is the management for 2 hours post ictus?

A. conservative or medical
B. surgery

A

A.

21
Q

What is the management for 24 hours post ictus?

A. conservative or medical
B. surgery

A

B. hematoma has grown big and surgery is indicated

22
Q

What is the order of events in hemorrhagic stroke?

A

Vascular rupture -> Hematoma formation -> Hematoma expansion -> Edema formation

23
Q

What is the function of Hibernating penumbra?

A

Causes hypometabolism to conserve energy

24
Q

states that, in an incompressible cranium, the blood, CSF, and brain tissue exist in a state of volume equilibrium, such that any increase in volume of one of the cranial constituents must be compensated by a decrease in volume of another

A

Monro-Kellie hypothesis

25
Q

Patient is GCS 5. Would you recommend surgery?

A

Yes

26
Q

Volume of hematoma is 60cc. Would you recommend surgery?

A

Yes (Surgery if >50, Medical if <30)

27
Q

When do you treat BP in ICH?

A

Treat if SBP >180 (Lower to 140 mmHg in 1st week)

28
Q

Thin-walled focal dilatations that protrude from the arteries of the Circle of Willis

A

Aneurysmal Subarachnoid Hemorrhage

29
Q

Signs of inc ICP

A
  1. Neck rigidity
  2. focal deficits (CN palsies)
  3. Meningeal signs
30
Q

What is the Hunt & Hess Scoring? Coma, decerebrate rigidity, moribound appearance

A

5

31
Q

What is the Hunt & Hess Scoring? Moderate to severe headache, nuchal rigidity, CN palsy

A

2

32
Q

What is the Hunt & Hess Scoring? Drowsiness, confusion, mild focal signs

A

3

33
Q

gold standard for diagnosing source of SAH

A

4 vessel cerebral angiogram

34
Q

episode of neurologic dysfunction caused by focal brain or spinal or retinal ischemia without evidence of acute infarction (by imaging)

A

Transient Ischemic Attack

35
Q
Manifestations of anterior circulation stroke EXCEPT:
A. aphasia
B. Nystagmus
C. Sensory alteration
D. Mononuclear blindness
E. Facial droop
A

B. Nystagmus

36
Q
Manifestations of posterior circulation stroke EXCEPT:
A. vertigo
B. Diplopia
C. Unilateral weakness
D. nystagmus
E. Dysphagia
A

C. weakness for posterior circulation stroke is usually crossed ie. weakness in the left side of the face and right arms and legs