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  • nervous
  • This complex system is mediated by two major efferent pathways, the sympathetic and parasympathetic nervous systems, which obtain afferent signals from different parts of the body, neurons in the spinal cord and cerebral autonomic centres primarily in the hypothalamus, midbrain and brainstem. (bmj.com)
  • The gastrointestinal tract is controlled by the sympathetic and parasympathetic nervous systems and, additionally, the enteric nervous system which, through Meissner's and Auerbach's plexuses, control motility and secretion in the small and large intestines. (bmj.com)
  • LQTS
  • Background - The management of long-QT syndrome (LQTS) patients who continue to have cardiac events (CEs) despite beta-blockers is complex. (bjmu.edu.cn)
  • The genetic basis of the disease was identified in the mid-nineties and all the LQTS genes identified so far encode cardiac ion channel subunits or proteins involved in modulating ionic currents. (biomedcentral.com)
  • heart failure
  • Sympathetic hyperactivity, a vital factor in the genesis and development of heart failure (HF), has been reported to be effectively reduced by percutaneous renal denervation (RDN), which may play an important role in HF treatment. (elsevier.pt)
  • lead
  • PURPOSE: Cardiac amyloidosis is a rare disorder, but it may lead to potentially life-threatening restrictive cardiomyopathy. (biomedsearch.com)
  • early
  • Early and late 123-I MIBG (planar and single-photon emission computed tomography [SPECT]) imaging was performed to assess cardiac innervation (heart-to-mediastinum ratio, cardiac washout rate, and 123-I MIBG SPECT defect score). (eur.nl)
  • death
  • During follow-up, appropriate ICD therapy and cardiac death were documented. (eur.nl)