シャドーイング練習: Stroke Symptoms, Risk Factors, & Prevention: What You Need to Know #stroke #strokesymptoms - YouTubeで英語スピーキングを学ぶ
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Stroke is the second most common cause of death worldwide and is a leading cause of permanent disability.
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Stroke is the second most common cause of death worldwide and is a leading cause of permanent disability.
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Hello, I am Dr. Sandeep Bharathoki and I am interventional neuroradiologist.
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Today we are going to talk about acute stroke,
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symptoms caused by stroke and its prevention.
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Stroke is also known as brain attack similar to heart attack.
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We define stroke as sudden onset of focal neurological deficit,
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focal loss of brain function due to disruption of blood supply of the brain.
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And most commonly stroke happen due to a blood clot blocking the blood supply of the brain.
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This kind of stroke is known as ischemic stroke.
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Another form of stroke is
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when one of the artery in the brain rupture causing the brain hemorrhage and this is known as hemorrhagic stroke.
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It is very important to identify the symptoms of a stroke
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because it is possible that we can remove this blood clot causing the stroke
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if the patient arrives to the hospital within the therapeutic window period of 6 hours.
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To understand more about the stroke and symptoms caused by stroke,
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let us see this human brain model.
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So this is the plastic model of human brain and this brain is divided into left hemisphere and the right hemisphere.
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And here we could see that each part of the cerebral hemisphere is divided into multiple lobes.
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The front side is the frontal lobe,
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behind the frontal lobe is the parietal lobe,
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and at the end is the occipital lobe,
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and this part is the temporal lobe.
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So each part of the brain has a different function,
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and we can imagine this as cabinets with different things within the cabinets.
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We could consider the front part of the brain as a CEO of the brain,
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which plan and execute the motor function.
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For example, if we want to go for a shopping or we want to cook a meal,
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frontal lobe will plan and execute the correct order of motor function to achieve that.
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Behind this area is the motor cortex.
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So this is the motor cortex and which controls the motor function of upper and lower limb,
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especially the learned skill movements.
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and behind this motor cortex is the sensory cortex and this is responsible for the touch sensation.
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Normally, the right side of the brain controls the left side of the body part
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and the language function is exclusively located at the left cerebral hemisphere.
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So, when a clot occludes one of the brain artery,
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the part of that brain will die within minutes due to lack of oxygen,
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glucose and other nutrients.
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So, if the stroke involves the motor cortex on the right side here in this artery,
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then this part of the brain will die within minutes
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and will manifest as a loss of motor function and weakness on the left side of the upper limb and lower limb.
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And these symptoms occur suddenly and involve one side of the body parts.
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Simplest way to recognize the signs and symptoms of a stroke is to remember the mnemonic BE FAST.
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BE stands for balance.
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If someone suddenly feel sudden onset of dizziness,
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instability, this could be a sign of stroke then e stands for eye symptoms
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so somebody is feeling a sudden loss of vision loss on one side of the eye visual blurring double vision
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or as
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if there is a curtain pulled out in front of one
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of the eye then f stands for face ask the patient to smile
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if the smile is uneven
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if there is a drooling of face on one side of the face it could be a sign of early stroke
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A for arm weakness, ask the patient to lift both the arms and if there is drifting of one of the arm,
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if there is heaviness feeling or weakness on one side of the arm,
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then this could be a sign of a stroke.
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S for speech, if there is a speech difficulty,
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unable to speak or slurring of speech or unable to understand the speech,
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this could be a sign of stroke.
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And finally, the T, T stands for time to call ambulance.
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So don't wait, don't hesitate,
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call immediately the ambulance
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and reach out to the stroke center every minute delay cause about 1.9 million neuron loss
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so don't delay to reach out to the stroke center stroke is preventable condition
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and is treatable condition it can be prevented in more than 90 of the patients by adopting the healthy lifestyle
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it's very important to know the risk factor for the stroke
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the most important risk factor for the stroke is high blood
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pressure other risk factors are diabetes high cholesterol smoking alcohol obesity lack of exercise
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so it's very important to know all these risk factors
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and adopt the healthy lifestyle to prevent the stroke from happening
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it is recommended to keep the blood pressure below 130 by
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80 millimeter mercury it is recommended to do regular exercise at
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least 40 minutes of vigorous exercise three to four times in
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a week it is advised to take a mediterranean diet rich in fruits
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and vegetables and dry fruits
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and olive oil the consumption of fish at least once in
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a week reduce the chance of stroke by 50 percent it's
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very important to remember the early signs of a stroke to remember the mnemonic be fast and to adopt the healthy lifestyle.
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このレッスンでは、脳卒中に関する重要な情報や症状を学びます。具体的には、脳卒中の仕組みやその兆候、怪我を防ぐための手段について説明します。動画を通して、専門用語や関連する英語表現に親しみながら、YouTubeで英語学習を進めていきましょう。脳の機能や構造についても触れ、英語でのリスニング力とスピーキング力を向上させることを目指します。
重要な語彙とフレーズ
- Stroke（脳卒中）
- Neurological deficit（神経障害）
- Ischemic stroke（虚血性脳卒中）
- Hemorrhagic stroke（出血性脳卒中）
- Symptom（症状）
- Balance（バランス）
- Motor function（運動機能）
- Therapeutic window（治療可能な時間枠）
練習のポイント
動画の内容を効果的に学ぶためには、shadowspeakやshadow speakを活用することをお勧めします。動画の速度に合わせた練習を行い、以下のポイントを意識してみましょう：
- 動画を再生し、一時停止を利用して話している内容を繰り返します。自分の声を録音して、発音やイントネーションを確認すると良いでしょう。
- 脳卒中の症状を覚える際は、
BE FAST という記憶法を使ってみてください。具体的には、バランス（balance）、目の症状（eye symptoms）、顔（face）を意識しながら練習します。 - 動画の内容を英語でまとめて、自分の言葉で説明できるように練習します。これにより、英語スピーキング練習のスキルが向上します。
これらの練習法を使って、英語のリスニング能力を高め、さらに魅力的な表現を日常会話に取り入れることを目指しましょう。また、shadowspeaksを通して、より多くの実践的なフレーズを身につけることができます。楽しみながら英語力を向上させていきましょう！
シャドーイングとは？英語上達に効果的な理由
シャドーイング（Shadowing）は、もともとプロの通訳者養成プログラムで開発された言語学習法で、多言語習得者として知られるDr. Alexander Arguelles によって広く普及されました。方法はシンプルですが非常に効果的：ネイティブスピーカーの英語を聞きながら、1〜2秒の遅延で声に出してすぐに繰り返す——まるで「影（shadow）」のように話者を追いかけます。文法ドリルや受動的なリスニングと異なり、シャドーイングは脳と口の筋肉が同時にリアルタイムで英語を処理・再現することを強制します。研究により、発音精度、抑揚、リズム、連音、リスニング力、そして会話の流暢さが大幅に向上することが確認されています。IELTSスピーキング対策や自然な英語コミュニケーションを目指す方に特におすすめです。