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  • clinical
  • 1 2 Such a rapid death is often attributed to a cardiac arrhythmia, but with the advent of monitoring capabilities from implantable cardioverter-defibrillators (ICDs), it is now well recognized that classifications based on clinical circumstances can be misleading and often impossible, because 40% of sudden deaths can be unwitnessed. (ahajournals.org)
  • IMAGING
  • This research study can help understand how cardiac changes may occur with radiation therapy to the heart based off measurements obtained through biomarkers and cardiac imaging. (bioportfolio.com)
  • This is a pilot study to determine if there are changes in heart function following completion of radiation therapy for breast cancer as measured by cardiac magnetic resonance imaging (car. (bioportfolio.com)
  • study
  • 2 hours from the onset of symptoms, 12% of all natural deaths were classified as sudden in one study, and 88% of those were due to cardiac disease. (ahajournals.org)
  • In one study of over 1700 healthy adults, 99% had at least one PAC in 24 hours of cardiac monitoring. (verywell.com)
  • long
  • Ventricular extrasystoles with short coupling intervals (mean 251 ms) were used to simulate interpolated premature complexes in 10 dogs, and extrasystoles with long coupling intervals (mean 606 ms) resulting in compensatory pauses were applied in 10 additional dogs. (biomedsearch.com)
  • Document
  • This document discusses, among other things, cardiac rhythm management systems, devices, and methods providing an exercise test interface. (google.com)