• HomeServices › 24-hour Holter Monitor Study
  • Holter image24-hour Holter Monitor Study

    During the 24-hour Holter Monitor Studies, adhesive electrodes are placed on your chest to be worn for 24 hours to monitor your heart rhythm.

    Please plan 30 minutes for set up time.

    Preparing for this procedure

    • Please plan 30 minutes for set up time.
    • Wear loose fitting top.
    • No showers or baths while undergoing test.
    • Do not use electric blankets while undergoing test.

    What to expect after this procedure

    • Come back the next day for removal of electrodes.

    Contact us

    If you have any questions about the test you have been scheduled for, please call Portage Health’s Cardiopulmonary Services Department at 483-1458 from 7 a.m. to 4 p.m. Monday through Friday.


500 Campus Drive
Hancock, MI 49930
(906) 483-1000


921 W. Sharon Avenue
Houghton, MI 49931
(906) 483-1777

Express Care 


945 Ninth Street
Lake Linden, MI 49945
(906) 483-1030


751 S. Seventh Street
Ontonagon, MI 49953
(906) 884-4120


600 MacInnes Drive
Houghton, MI 49931
(906) 483-1860

CMS Login