The link between the onset of cardiac events and increased adrenergic activity suggested the use of beta-blockers as a therapy for LQTS. The clinical efficacy of this approach was confirmed in an international collaborative project. Left cardiac sympathetic denervation (LCSD) might be an option when beta-blockers fail or are not tolerated. Cardiac arrest survivors are always to be considered a high-risk subgroup. Therefore, the implant of an implantable cardioverter defibrillator (ICD) is recommended in these patients.
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The use of dumbbells gives you a much more comprehensive strengthening effect because the workout engages your stabilizer muscles, in addition to the muscle you may be pin-pointing. Without all of the belts and artificial stabilizers of a machine, you also engage your core muscles, which are your body's natural stabilizers.