# MRI shows acute ______ stroke in the left MCA territory.

> source: MyMerci (mymerci.kr)  
> url: https://mymerci.kr/pages/nclex_q.php?qn_id=168366  
> language: ko  
> subject: Diseases of the circulatory system

## 문제

MRI shows acute ______ stroke in the left MCA territory.

House MD Season 5 Episode 16

## 보기

1. ischemic **✔ 정답**
2. hemorrhagic
3. lacunar
4. embolic
5. cryptogenic

**정답: 1**

## 해설

Ischemic' stroke in MCA territory often presents with contralateral hemiparesis and possible aphasia.

## 임상 시나리오

• MCA (Middle Cerebral Artery) Territory:
- Supplies lateral surface of hemisphere
- Controls motor/sensory function of face and upper limb
- Language centers (left hemisphere)

• Ischemic Stroke Characteristics:
- Sudden onset neurological deficit
- Hypodense area on CT
- Restricted diffusion on DWI
- Core infarct vs penumbra

• Clinical Features:
- Contralateral hemiparesis
- Facial droop
- Speech disturbance
- Sensory deficits
- Visual field cuts

• Acute Management:
- Time window for tPA: 4.5 hours
- Mechanical thrombectomy window: 6-24 hours
- FAST assessment
- NIH Stroke Scale

• Risk Factors:
- Hypertension
- Atrial fibrillation
- Diabetes mellitus
- Smoking
- Hyperlipidemia

## 핵심 개념

- **ischemic** — A type of stroke caused by blockage of blood vessels supplying brain tissue, resulting in oxygen deprivation and cell death
- **hemorrhagic** — A type of stroke caused by bleeding into brain tissue due to blood vessel rupture
- **lacunar** — A small stroke caused by occlusion of small penetrating arteries, typically affecting deep brain structures
- **embolic** — A stroke caused by blood clots that form elsewhere and travel to block brain vessels
- **cryptogenic** — A stroke of unknown or unclear cause despite extensive medical evaluation

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