The researchers observe a characteristic sawtooth pattern in the frequency of the mountain (top): it rises with the stress in the rock and drops again after days. In the process, seismic signals are ...

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With atrial fibrillation, no discrete P waves can be seen; however, coarse “fibrillitory waves” are at times present. In atrial flutter, a “sawtooth” pattern is seen. In MAT, at least three distinct P ...