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STelevation

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  • ์˜คํƒ€๋‹ˆ

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  • 2024๋…„ 6์›” 23์ผ

ํ‰๋ถ€์œ ๋„์—์„œ ST elevation์ด ์—ฐ์†๋œ lead์—์„œ ๋ณด์ด๋Š” ๊ฒƒ ๊ฐ™์•„, LAD occlusion์˜ ๊ฐ€๋Šฅ์„ฑ์€ ์—†๋Š” ๊ฑธ๊นŒ์š”?


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2024๋…„ 6์›” 24์ผ

LBBB์˜ ์˜ˆ์‹œ ECG์—์„œ LAD occlusion์˜ ๊ฐ€๋Šฅ์„ฑ์— ๋Œ€ํ•ด ์งˆ๋ฌธํ•ด์ฃผ์…จ์Šต๋‹ˆ๋‹ค.

์šฐ์„  ์„ ์ƒ๋‹˜๊ป˜์„œ ๋ง์”€ํ•˜์‹  ๊ฒƒ์ฒ˜๋Ÿผ precordial lead(V1-V4)์—์„œ ST elevation์ด ๊ด€์ฐฐ๋˜๋Š” ๊ฒƒ์€ ๋งž์Šต๋‹ˆ๋‹ค. ํ•˜์ง€๋งŒ LBBB์—์„œ๋Š” ์ด๋Ÿฌํ•œ ์†Œ๊ฒฌ๋“ค์ด ์ •์ƒ์ ์œผ๋กœ ๋‚˜ํƒ€๋‚  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๊ทธ๋ž˜์„œ LBBB์—์„œ๋Š” MI์˜ ์ง„๋‹จ์ด ์–ด๋ ต๊ณ , ๊ทธ๋ž˜์„œ ๋งŒ๋“ค์–ด์ง„๊ฒƒ์ด Sgarbossa Criteria ์ž…๋‹ˆ๋‹ค.

  • Concordant ST elevation โ‰ฅ 1 mm in โ‰ฅ 1 lead

  • Concordant ST depression โ‰ฅ 1 mm in โ‰ฅ 1 lead of V1-V3

  • Proportionally excessive discordant STE in โ‰ฅ 1 lead anywhere with โ‰ฅ 1 mm STE, as defined by โ‰ฅ 25% of the depth of the preceding S-wave (๊ธฐ์กด์˜ >5mm ๊ธฐ์ค€์—์„œ ์ˆ˜์ •๋จ)

Concordant๋ž€, ์‰ฝ๊ฒŒ ๋งํ•ด์„œ QRS segment์™€ ST segment๊ฐ€ ๊ฐ™์€ ๋ฐฉํ–ฅ์œผ๋กœ ์žˆ๊ณ , discordant๋ž€ ๊ทธ ๋‘˜์ด ๋‹ค๋ฅธ ๋ฐฉํ–ฅ์œผ๋กœ ์žˆ๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค. ๊ทธ๋ฆผ์œผ๋กœ ๋ณด๋ฉด ์ดํ•ด๊ฐ€ ๊ฐ€๋Šฅํ•  ๊ฒƒ์ž…๋‹ˆ๋‹ค.

์œ„์˜ 3๊ฐ€์ง€ ์ค‘ 1๊ฐ€์ง€ ์ด์ƒ ๋งŒ์กฑํ•˜๋ฉด Positive๋กœ Occlusion MI๋ฅผ ์˜์‹ฌํ•˜๊ณ  ๊ทธ์— ๋”ฐ๋ฅธ ์ฒ˜์น˜๊ฐ€ ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค.

๊ทธ๋Ÿผ ๋‹ค์‹œ ๋ฌธ์ œ์˜ ECG๋ฅผ ํ™•์ธํ•ด๋ณด๊ฒ ์Šต๋‹ˆ๋‹ค. 12 lead ๋ชจ๋‘์—์„œ Concordant ST elevation์ด๋‚˜ depression์€ ๊ด€์ฐฐ๋˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. STE์ด ๊ด€์ฐฐ๋˜๋˜ V1-V4์—์„œ๋„ STE์ด S wave ํฌ๊ธฐ์˜ 25%๋ฅผ ๋„˜์ง€ ์•Š์œผ๋ฏ€๋กœ ๊ธฐ์ค€์— ํ•ด๋‹นํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

๋”ฐ๋ผ์„œ ๋ฌธ์ œ์˜ ECG๋Š” MI๋Š” ๋™๋ฐ˜๋˜์ง€ ์•Š์€ ์ •์ƒ์ ์ธ LBBB์˜ ECG๋กœ ์ƒ๊ฐํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๋‹ค๋งŒ ์‹ค์ œ ์ž„์ƒ์—์„œ๋Š” ํ™˜์ž์˜ ์ฆ์ƒ๊ณผ ๊ฐ™์€ ์—ฌ๋Ÿฌ ์ƒํ™ฉ์„ ๊ณ ๋ คํ•ด์„œ MI์— ๋Œ€ํ•œ ์น˜๋ฃŒ๊ฐ€ ํ•„์š”ํ•œ์ง€๋ฅผ ๊ณ ๋ คํ•ด๋ณด๊ธฐ๋Š” ํ•ฉ๋‹ˆ๋‹ค.

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2024๋…„ 6์›” 27์ผ

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