I have an electrocardiogram as part of my yearly checkup. After
the last one, my doctor mentioned that my ST segment was longer
this year than it was last year. He recommended that I have a
stress test to check this out. I passed with flying colors. When
I asked the cardiologist who did the stress test about the ST
segment, he said the length isn’t really important, that the
height and shape are what matter. Can you explain?
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