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. Author manuscript; available in PMC: 2022 Jul 1.
Published in final edited form as: Heart Rhythm. 2021 Mar 6;18(7):1162–1170. doi: 10.1016/j.hrthm.2021.03.011

Figure 5. VF Arrhythmia:

Figure 5.

(A) Onset of ventricular fibrillation (VF) at hour 18 of TTM during the warming phase when temperature was 35.4°C. (B) End of VF and patient intervention, approximately 4 minutes and 9 seconds from onset. There was a gradual and large increase in nerve activity prior to termination, lasting 32 seconds, with a sudden decrease just as the arrhythmia terminates. SKNA signal was sampled at 10 KHz and high pass filtered at 500 Hz to analyze the nerve activity; iSKNA – integrated SKNA data over 100 millisecond periods.