PMC8333705_01
The patient's ECG before cardiac arrest. HR = 105 bpm, RR = 0.568 s, QT = 0.375 s. QTc = 0.498 s, QTc = QT /(RR)1/2.
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F1
The measured QTc interval was 0.498 s at a heart rate of 105 bpm (Figure 1).
ECG monitor data after cardiac arrest. ST-segment elevation induced TdP and VF after R-on-T phenomenon.
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F2
Changes in body temperature and heart rate during TTM. The key moments included: start of cooling (Hour 0, 38.9 C), reaching the target temperature (Hour 12, 34.0 C), start of rewarming (Hour 36, 33.8 C), and end of rewarming (Hour 56, 36.5 C). T, temperature; HR, heart rate; TTM, targeted temperature management.
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F3
The patient recovered consciousness but had intermittent fever, and thus was treated with an ice blanket as well as an ice cap until her temperature returned to normal (Figure 3).