Chapter 1. Overview of stroke and TIA

Question 1

Age standardized mortality of stroke

Answer 1

82.5/100,000

Question 2

Ranking of stroke in specific disease with greatest burden

Answer 2

5th

Question 3

WHO definition of stroke

Answer 3

Neurological deficit of cerebrovascular cause beyond 24 hours or interrupted by death in 24 hours

Question 4

TIA definition

Answer 4

Transient episode of neurological dysfunction caused by focal brain, SC, or retinal ischemia without infarction, that typically last less than an hour

Question 5

Documented CNS infarction that is asymptomatic but without history of acute neurological dysfunction attributed to lesion

Answer 5

Silent CNS infarction

Question 6

Distribution of subtypes of stroke in western data

Answer 6

80% ischemia

20% hemorrhagic

Question 7

Age standardized death rate of stroke in the Philippines

Answer 7

62. 84/100,000 ICH
63. 72/100,000 ischemia

ICH > Ischmia

Question 8

Phases of stroke based on onset

Answer 8

Hyperacute: 0-6 hours
Acute: 6-72 hours
Subacute: 3 days - 3 weeks
Chronic: > 3 weeks

Question 9

This classification is based on clinical syndrome or combination of CT-Scan findings

Answer 9

Oxfordshire Classification

Question 10

Disadvantage of utilization of oxfordshire

Answer 10

Poor in discriminating between lacunar and small volume infarction

Question 11

Posterior circulation syndrome is defined as presence of

Answer 11

Isolated homonymous
Brainstem
Cerebellum

Question 12

In 10 Asian countries using Oxford shire what is the most common syndrome

Answer 12

PACI 27%
LACI 25%
TACI 12%
POCI 10%

Question 13

This classification is based on pathophysiology using advance diagnostics

Answer 13

TOAST classifcation

Question 14

What is the other purpose of TOAST classification

Answer 14

Purpose of investigating the efficacy of anticoagulation

Question 15

Large artery atherosclerosis is defined as

Answer 15

> 50% significant stenosis
Ulcerated plaque >2mm thick
1.5cm subcortical and subcortical infarct
Absence of cardioembolism

Question 16

Extracranial carotid atherosclerosis prevalence in local study

Answer 16

4%

Question 17

Intracranial Carotid stenosis prevalence in local study

Answer 17

26%

Question 18

Event rate of recurrent vascular events in intracranial stenosis

Answer 18

15%

Question 19

Stroke risk in patient with TIA

Answer 19

2 days - 3.1%
7 days - 5.2%
30 days - 8.0%
90 days - 9.2%

Question 20

Neurologic differential diagnosis for TIA

Answer 20

Migraine with Aura

Focal Encephalitis

Question 21

Differential diagnosis of Amaurosis Fugax

Answer 21

Malignant Hypertension
Acute Glaucoma
Intracranial Hypertension
Central retinal vein thrombosis
Retrobulbar neuritis
Retinal Detachment
Temporal Arteritis