쉐도잉 연습: What Your A1C Numbers Really Mean | Pharmacist Explains - 영상으로 영어 말하기 배우기

But in this video, we will discuss what the A1C test is, why it's called hemoglobin A1C,

why it is important, and what lesser known factors can raise a person's A1C.

I will also explain how this test is different from your EAG, or estimated average blood glucose,

and how you can calculate that on your own using a very simple tool.

The hemoglobin A1c test is a relatively simple blood test

that tells you a lot about your blood glucose or blood sugar control for the past two to three months.

So what does hemoglobin A1c mean anyways?

Hemoglobin is a protein that is found in your red blood cells.

In fact, the healthy adult human body makes about 2 million new red blood cells every second

and that requires a lot of hemoglobin.

Now, there are various types of hemoglobin, with Hgba1 being the most common,

making up about 98% of Hgba.

The A in Hgba stands for adult, and after about 6 months of age, nearly all hemoglobin is type A.

Type A1 has subtypes, A1A, A1B, A1C, and others, with A1C being the most prevalent.

Hemoglobin A1C, or HGBA1C, is significant because it is hemoglobin with sugar attached to it.

The hemoglobin on your red blood cells has the job of

carrying oxygen from the lungs to all the cells of the body.

Glucose also enters your red blood cells and links up or glycates with molecules of hemoglobin.

The more glucose in your blood, the more hemoglobin gets glycated.

When hemoglobin is glycated, it stays that way until the red blood cell dies, which has an average lifespan of three to four months.

Therefore, your A1C level indicates your average glucose levels over the last few months, making it an excellent marker for glucose control.

There are some instances, however, in which this test may be somewhat misleading.

For instance, if you have experienced recent blood loss, you will have a lot of new red blood cells that have had less exposure to glucose.

So your A1c may be lower, as a higher percentage of hemoglobin may not yet be glycated.

Or, if you have anemia, such as iron deficiency anemia, you usually have less hemoglobin, and because there is less hemoglobin,

it is likely that the hemoglobin you do have may be heavily glycated, thus leading to a higher A1c result.

Finally, those with kidney disease may also have a higher A1c than it really is because of anemia and other factors.

Kidney disease can also read falsely low because blood cells aren't lasting long enough to become glycated in people with kidney disease.

This is important because people with diabetes can often have kidney disease as well.

So regardless of whether you are pre-diabetic or have type 1 or type 2 diabetes, or whether you are perfectly healthy, when we think of the hemoglobin A1c test,

we understand that by measuring the percentage of A1c in the blood, we get an overview of your average blood glucose control for the past few months.

Now, the American Diabetes Association suggests that your doctor should measure your A1C level at least twice a year.

So what should your numbers be?

When it comes to numbers, there's no one-size-fits-all target.

The goal for most adults with diabetes is an A1C that is less than 7%.

According to the American and Diabetes Association, if your A1C level is between 5.7 and less than 6.5%,

your levels have been in the pre-diabetes range.

If you have an A1C level of 6.5 percent or higher, your levels are in the diabetes range.

A1C target levels can vary by each person's age and other factors, and your target may be different from someone else's.

Another important term that you may come across when finding out your A1C is EAG, or estimated average glucose.

EAG is similar to what you see when monitoring your blood glucose at home on your meter.

However, because you are more likely to check your blood glucose in the morning and before meals, your meter readings will likely be lower than your EAG.

I will include a link to a calculator you can use

to convert your A1C to an estimated average blood glucose number in the description of this video.

Now remember that your A1C target is your own.

You are unique and you need advice based on your own set of circumstances.

A1C targets often change over time, sometimes decreasing and sometimes increasing.

It all depends on the person and on the particular circumstances of that person.

If you have found this information helpful, leave a comment and be sure to like and subscribe for more videos

that help you better understand and advocate for your health.

Thank you for joining me take care and stay healthy bye

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이 레슨의 어휘와 말하기 포인트

이 B2 수준 말하기 레슨은 영상 “What Your A1C Numbers Really Mean”을(를) 바탕으로 합니다. 가장 자주 반복되는 단어는 다음과 같습니다: hemoglobin, blood, glucose, cell, diabetes. 이 영상에는 섀도잉할 문장 51개와 단어 826개가 있습니다. 말하는 구간의 길이는 5:12입니다. 화자는 분당 약 159단어로, 일상 대화에 가까운 자연스러운 속도로 말합니다. 영어에서 가장 많이 쓰이는 3,000단어에 속하는 단어가 79%뿐이라 어휘가 어려운 편입니다.

이 영상의 핵심 어휘

영상에서 가장 어려운 단어 15개를 발음, 뜻과 함께 정리했습니다.

단어	발음	뜻
hemoglobin 명사	/ˌhimoʊˈɡloʊbɪn/	헤모글로빈, 혈색소
glucose 명사	/ˈɡluː.kəʊz/	포도당, 글루코스
diabetes 명사	/ˌdaɪəˈbiːtiːz/	당뇨병
kidney 명사	/ˈkɪdni/	콩팥, 신장
anemia 명사	/əˈnimi.ə/	빈혈
circumstance 명사	/ˈsɝ.kəmˌstæns/	상황
metre 명사	/ˈmiːtəɹ/	미터, 메터
calculator 명사	/kæl.kjə.leɪ.tɚ/	계산기
molecule 명사	/ˈmɑ.lɪ.kjul/	분자
attach 동사	/əˈtæt͡ʃ/	첨부하다, 붙이다
prevalent 형용사	/ˈpɹɛvələnt/	번영하다
calculate 동사	/ˈkælkjʊleɪt/	정산하다, 계산하다
subscribe 동사	/səbˈskɹaɪb/	구독하다
lung 명사	/ˈlʌŋ/	허파, 폐
overview 명사	/ˈoʊ.vɚˌvjuː/	개요

이 영상의 문법

화자가 가장 많이 쓰는 문형을 영상 속 실제 표현과 함께 정리했습니다.

문형	영상 속 표현
현재완료 have/has + 과거분사 — 과거의 일이 지금도 관련이 있을 때	have experienced · have been · have found
수동태 be + 과거분사 — 누가 하는지보다 무슨 일이 일어나는지에 초점	is found · is glycated · be glycated

주의할 발음

긴 단어 — 강세 위치에 주의: hemoglobin /ˌhimoʊˈɡloʊbɪn/, anemia /əˈnimi.ə/, calculator /kæl.kjə.leɪ.tɚ/, deficiency /dɪˈfɪʃənsi/

한국어 화자가 어려워하는 소리:

/f/ — ㅍ(/p/)으로 바꾸지 말고 윗니를 아랫입술에 대기: lifespan /ˈlaɪf.spæn/, deficiency /dɪˈfɪʃənsi/
/v/ — ㅂ(/b/)과 구별하기: prevalent /ˈpɹɛvələnt/, overview /ˈoʊ.vɚˌvjuː/, convert /kənˈvɝt/
/z/ — ㅈ이 아니라 성대를 울리는 /s/: glucose /ˈɡluː.kəʊz/, diabetes /ˌdaɪəˈbiːtiːz/, anyways /ˈɛn.iˌweɪz/

이 영상으로 연습하는 방법

먼저 말하지 않고 영상을 끝까지 듣고 모르는 단어를 적어 둡니다.
0.75배속으로 한 문장씩 섀도잉을 시작하고, 익숙해지면 보통 속도로 돌아갑니다.
자신의 목소리를 녹음해 원본과 비교하고, hemoglobin, glucose, diabetes 같은 단어에 특히 주의합니다.

쉐도잉이란? 영어 실력을 빠르게 키우는 과학적 방법

쉐도잉(Shadowing)은 원래 전문 통역사 훈련을 위해 개발된 언어 학습 기법으로, 다언어 학자인 Dr. Alexander Arguelles에 의해 대중화된 방법입니다. 핵심 원리는 간단하지만 매우 강력합니다: 원어민의 영어를 들으면서 1~2초의 짧은 지연으로 즉시 소리 내어 따라 말하는 것——마치 '그림자(shadow)'처럼 화자를 따라가는 것입니다. 문법 공부나 수동적인 청취와 달리, 쉐도잉은 뇌와 입 근육이 동시에 실시간으로 영어를 처리하고 재현하도록 훈련합니다. 연구에 따르면 이 방법은 발음 정확도, 억양, 리듬, 연음, 청취력, 말하기 유창성을 크게 향상시킵니다. IELTS 스피킹 준비와 자연스러운 영어 소통을 원하는 분들에게 특히 효과적입니다.

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이 레슨의 어휘와 말하기 포인트

이 영상의 핵심 어휘

이 영상의 문법

주의할 발음

이 영상으로 연습하는 방법

쉐도잉이란? 영어 실력을 빠르게 키우는 과학적 방법