Jung J, Heisel A, Fries R, Köllner V
Department of Internal Medicine III (Cardiology), University of the Saarland, Homburg/Saar, Germany.
Am J Cardiol. 1997 Dec 1;80(11):1489-90. doi: 10.1016/s0002-9149(97)00733-9.
There seems to be no relation between shock strength and patient's tolerability using energy levels currently needed for low-energy internal atrial cardioversion. Every patient felt that the second delivered shock, independent of the amount of energy, was more uncomfortable than the first one, which indicates that psychological conditioning may also play an important role in determining discomfort.
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