John P Higgins1, Johanna A Higgins
1Cardiac Stress Laboratory, Medicine-Harvard Medical School, VA Boston Healthcare System, Boston, MA 02132, USA. John.Higgins@va.gov <John.Higgins@va.gov>
Exercise testing is a valuable, cost-effective tool for assessing cardiovascular performance. New metrics like dyspnea and heart rate recovery enhance its diagnostic power for better patient management.
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