# The cardiologist notes that the patient's coronary angiogram shows significant ______ in the left anterior descending artery, requiring immediate intervention.

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> url: https://mymerci.kr/pages/nclex_q.php?qn_id=168378  
> language: ko  
> subject: Diseases of the circulatory system

## 문제

The cardiologist notes that the patient's coronary angiogram shows significant ______ in the left anterior descending artery, requiring immediate intervention.

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## 보기

1. stenosis **✔ 정답**
2. blockage
3. occlusion
4. calcification
5. thrombosis

**정답: 1**

## 해설

Stenosis refers to the abnormal narrowing of a blood vessel. In coronary arteries, significant stenosis impairs blood flow to the heart muscle, potentially causing angina or myocardial infarction, and often requires interventions like angioplasty or bypass surgery.

## 임상 시나리오

Coronary Artery Disease (CAD) Terms:

- Stenosis: Abnormal narrowing of blood vessels
- Atherosclerosis: Buildup of plaque in arteries
- Angina: Chest pain due to reduced blood flow
- Myocardial Infarction: Heart attack from blocked blood flow
- Revascularization: Restoring blood flow to heart
- Angioplasty: Procedure to widen narrowed arteries
- Stent: Device to keep arteries open
- CABG: Coronary Artery Bypass Graft surgery
- LAD: Left Anterior Descending artery
- RCA: Right Coronary Artery
- LCX: Left Circumflex artery
- Collateral Circulation: Alternative blood flow paths
- Ischemia: Reduced blood supply to tissue
- Perfusion: Blood flow through organs
- Coronary Reserve: Extra blood flow capacity

## 핵심 개념

- **stenosis** — A narrowing or constriction of a blood vessel or other tubular organ that restricts normal flow or passage
- **blockage** — A complete or partial obstruction that prevents normal flow through a vessel, duct, or passage
- **occlusion** — The complete closure or blockage of a blood vessel or hollow organ, preventing flow
- **calcification** — The accumulation of calcium salts in body tissue, particularly in blood vessels, leading to hardening
- **thrombosis** — The formation of a blood clot inside a blood vessel, obstructing blood flow through the circulatory system

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