Should I take beta blockers if my heart rate is low?

Never take a double dose to catch up. If you have diabetes, the medicine can hide warning signs of low blood sugar. For example, your heart rate may not increase normally in response to a low blood sugar level. You will need to check your blood sugar levels carefully when taking a beta blocker.

Can beta blockers make your heart rate too slow?

Beta-blockers can cause some side effects. Dizziness, lightheadedness, feeling faint. Beta-blockers will slow your heart rate (pulse) and lower your blood pressure. If you are dizzy or feel like you might faint, sit or lie down right away.

At what heart rate do you hold beta blockers?

-Target heart rate < 70 bpm – Beta blocker should be started as early as possible, i.e. as soon as patient is found to be eligible.

When should you not take a beta blocker heart rate?

There are some conditions in which beta blockers are not recommended. This includes uncontrolled heart failure, hypotension (low blood pressure), certain problems with the rhythm of your heart, or bradycardia (a very slow heart beat).

What happens if my heart rate goes below 40?

For example, if your heart rate drops into the 30s, you might not get enough oxygen to your brain, making fainting, lightheadedness, and shortness of breath possible. Blood can also pool in your heart chambers, causing congestive heart failure.

Is a heart rate of 47 OK?

For most people, a heart rate of 60 to 100 beats a minute while at rest is considered normal. If your heart beats less than 60 times a minute, it is slower than normal. A slow heart rate can be normal and healthy. Or it could be a sign of a problem with the heart’s electrical system.

What is the target heart rate with a beta blocker?

For example, if your resting heart rate is 70 bpm without a beta blocker and 50 bpm with a beta blocker, that’s a difference of 20. When calculating your target heart rate, subtract this number from the result.

How long should you exercise after taking a beta blocker?

It is recommended that you exercise within 55 percent to 85 percent of your maximum heart rate for at least 20 to 30 minutes to get the best results from aerobic exercise. To use your resting heart rate as your guide, figure out the decrease in your heart rate as a result of the beta blocker.

When is the best time to take beta blockers?

If not, perhaps you might split the pill, take 1/2 in morning, 1/2 in evening. Or a 1/4 of a pill every 6 hours. Beta blockers protect the heart by moderating contractions, reducing strain on it. A weak heart before CABG needs time and exercise to strengthen.

How does beta-blocker affect CABG?

Beta blockers protect the heart by moderating contractions, reducing strain on it. A weak heart before CABG needs time and exercise to strengthen. So you are doing the right things (exercise) to get off the beta-blocker – and to keep your grafts clean and operating.