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Heart and Vascular Center

Holter Monitor

Before the Test

  • Please pre-register for your appointment by calling 978-937-6429
  • Monday - Friday, 7:00 a.m. - 8:00 p.m. or anytime online at Express Registration.
  • An Appointment Reminder with specific instructions for your exam will be mailed to you.
  • Please keep the written order from your physician to bring to the exam.
  • Obtain copies of any stress tests or EKGs to bring to the exam.
  • Tell your physician about any medications you are taking.
  • Be sure to inform your doctor if your are taking sildenafil citrate (Viagra) and have taken a dose in the past 24 hours (If nitroglycerin is given to relieve chest in a patient taking Viagra it can cause a dangerous drop in blood pressure.)

During the Test

  • Do not shower or bathe during the 24-hour test period.
  • Do not wear any metal jewelry or clothing with zippers or any other metal parts as these might interfere with the results.
  • Be sure to record your symptoms accurately and in detail.

After the Test

The electrodes should be removed according to your doctor's instructions.

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