Since my aortic valve replacement in 2017, I have been on the beta blocker metoprolol. This mainly serves to prevent possible cardiac arrhythmias, but also helps to control my blood pressure. It seems to work well and I have no noticeable side effects, except that my heart rate doesn’t seem to rise so high during training. Wednesday showed its effects more dramatic. I had completed my prescription bottle and on Wednesday morning I couldn’t find the replacement bottle. I usually take it in the morning before every activity. Nevertheless, I decided to drive on my journey and look for it later. Wednesday should be a harder journey, a long brisk speed ride, followed by an interval session and strength training on the bike. I wore my chest strap for heart rate monitoring, which I know from which it is exactly.
During the pace part of the journey, I noticed that my heart rate was higher than expected. (Therefore, people don’t worry about talking to myself when I go down the street and I use the alternative to recite the alphabet). During the interval session I noticed that I reached the heart rate in the 150s, which I have not seen for some time. I found the replacement bottle after I finished the trip and took my dose late. But this incident planted a seed of curiosity. I noticed that the bottle says that it should take it “in the morning” not necessarily the first in the morning. When I did research on the Internet, I couldn’t find a reason why it was wrong to train early in the morning and then take metoprolol. It only seems to be a good idea to take it every day at the same time. So I will consistently take later in the morning after my training.
I was also curious about his effects on sporting performance. It is mentioned In this video From a renowned cardiologist in Great Britain that beta blockers such as metoprolol impair performance by keeping the heart rate lower during training. This seems logical. When I make an interval and shout my legs for oxygen, I may not seem to get so hard when my heart rate stays in the 130s instead of the 150s.
Lately I have researched Google’s Gemini on topics like this. If you click on “Deep Research” instead of just answering your question in the “Questions about” Questions “field, a number of relevant websites are searched on the Internet. Then go through the results and create a report. This is an entertaining use of AI. So I did this and typed in” Metoprolol’s effects on sporting performance “. It came to This detailed reportfrom which I learned a lot. It seems that metoprolol influences endurance performance, such as: B. a minor reduction in maximum oxygen consumption (VO2MAX). My intake of metoprolol is required to prevent possible arrhythmia. For all who take this or another beta blocker exclusively to prevent high blood pressure, there are alternative blood pressure medication that is discussed in the report and that have much lower effects on performance.
There is also a good discussion about beta blockers and movement This website. The conclusion is that it is perfectly certain to train vigorously when taking metoprolol, and it does not seem to be important whether you take it before or after taking it as long as you take it every day at the same time.
I am not really worried about a slight impairment of performance. And since I have been with drug use since 2017 and was mainly interested in the competition against myself, all of my recent services with which I compare have been affected.
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I am a mechanical engineer who was born in 1953, Ph. D, Stanford, 1980. I have been active in Cae field in Mechanical for decades. I also have a lifelong interest in activities and outdoor fitness. I replaced both hips and replaced a heart valve replacement due to a genetic state. This blog records my adventures to stay active on the street despite these bumps.
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