์‹ฌ์‹ค๋นˆ๋งฅ vs ๋ณ€ํ–‰์ „๋„๋ฅผ ๋™๋ฐ˜ํ•œ ์ƒ์‹ฌ์‹ค์„ฑ ๋นˆ๋งฅ / Ventricular tachycardia vs SVT with aberrancy

์ •์˜

Ventricular tachycardia(VT)๋Š” ์‹ฌ์‹ค ๊ธฐ์› ๋นˆ๋งฅ์ด๊ณ , SVT with aberrancy๋Š” ์ƒ์‹ฌ์‹ค์„ฑ ๋นˆ๋งฅ์ด bundle branch block ๋“ฑ์œผ๋กœ ๋„“์€ QRS๋ฅผ ๋ณด์ด๋Š” ์ƒํƒœ์ด๋‹ค.

์ž„์ƒ ํ•ต์‹ฌ

regular WCT์—์„œ ๋‘ ์งˆํ™˜์€ ECG์ƒ ์œ ์‚ฌํ•  ์ˆ˜ ์žˆ์–ด Brugada criteria ๊ฐ™์€ ์•Œ๊ณ ๋ฆฌ์ฆ˜์œผ๋กœ ๊ฐ๋ณ„ํ•œ๋‹ค. ์‘๊ธ‰์‹ค์—์„œ๋Š” ๋ถˆํ™•์‹คํ•˜๋ฉด VT๋กœ ๊ฐ„์ฃผํ•˜๋Š” ์ ‘๊ทผ์ด ์•ˆ์ „ํ•˜๋‹ค. ๋ถˆ์•ˆ์ • ํ™˜์ž๋Š” ๊ฐ๋ณ„ ์ง€์—ฐ ์—†์ด synchronized cardioversion์„ ์šฐ์„ ํ•œ๋‹ค.

์ง„๋‹จ

VT๋ฅผ ์‹œ์‚ฌํ•˜๋Š” ์†Œ๊ฒฌ์€ V1โ€“V6์—์„œ RS complex ๋ถ€์žฌ, RS interval >100 ms, AV dissociation, capture/fusion beat์ด๋‹ค. RBBB-like WCT์—์„œ V1 monophasic R/qR/Rs ๋˜๋Š” V6 R/S <1, QS, QR ๋“ฑ์€ VT ์ชฝ์ด๋‹ค. LBBB-like WCT์—์„œ V1/V2 broad initial R, notched/downstroke S, ๊ธด RS interval, V6 qR ๋˜๋Š” QS ๋“ฑ์€ VT ์ชฝ์ด๋‹ค. ์ด๋Ÿฐ ๊ธฐ์ค€์ด ๋ชจ๋‘ ์—†์œผ๋ฉด SVT with aberrancy ๊ฐ€๋Šฅ์„ฑ์ด ๋‚จ๋Š”๋‹ค.

์น˜๋ฃŒ

์ง„๋‹จ์ด ๋ถˆ๋ช…ํ™•ํ•œ regular WCT๋Š” VT ๊ฐ€๋Šฅ์„ฑ์„ ์ „์ œ๋กœ ์ฒ˜์น˜ํ•œ๋‹ค. ํ˜ˆ์—ญํ•™์  ๋ถˆ์•ˆ์ •์„ฑ์ด ์žˆ์œผ๋ฉด ACLS tachycardia algorithm์— ๋”ฐ๋ผ synchronized cardioversion์„ ์‹œํ–‰ํ•œ๋‹ค.

์ถœ์ฒ˜

Brugada et al., Circulation 1991;83:1649-1659. DOI 10.1161/01.CIR.83.5.1649 ACLS tachycardia algorithm

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