DEAR DR. ROACH: In October 2014, I had my aortic valve replaced, and a pacemaker was put in. I was put on 100 mg of metoprolol daily — then 50 mg, then 25 mg. I have been off this medicine for six ...
Though a Northwestern-developed quarter-size dissolvable pacemaker worked well in pre-clinical animal studies, cardiac surgeons asked if it was possible to make the device smaller. To reduce the size ...
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