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Medical illustration of a human heart and an ECG showing myocardial damage, uniform depolarization, and repolarization.

Medical illustration of a human heart and an ECG showing myocardial damage, uniform depolarization, and repolarization.
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심근손상이 오면 손상된 부분은 약간 depolarization된 상태가 됩니다. 그러니까 resting상태에서는 다른데는 다 음인데 여기만 약간 양이니까 current가 이쪽으로 발생하겠죠. 요 lead입장에서는 자기쪽으로 오니까 baseline이 살짝 올라갑니다. 그런데 depol될때는 다같이 depol되고 그게 phase 2까지 유지가 되니까 ST segment부분에서의 차이가 없어지고, 이떄 0mV로 baseline이 내려가는 겁니다. 그러다 다시 repol되면 올라갑니다. 그래서 결과적으로는 ST depression되는 걸로 보입니다. See more

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