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CABG, Beta Blocker Rebound and Running?
Heart & Blood Health | Last Active: Oct 10, 2018 | Replies (7)Comment receiving replies
Excellent analysis! BSEE here too! I have a hard time determining 'bpm' with my A-fib; do you count the real faint ones out of rythm? And how many of them? My Samsung phone as heart rate monitor built in; a red lite you put finger over - it then scopes out the heartbeats. 15% of the time mine is so crazy it can't count BPM number; other times it will count 40bpm and 30 sec later it counts 135. It just can't decide which to count! The few times I am not in A-fib, the rythm is mesmorizing, each pulse identical, evenly spaced and come in around 65bbpm. Losartan says it tries to correct the irregular beats... wonder if maybe your doc would cut your to the lower dosage and do it once per day instead of 2x?
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The heart rate that I was referring to was while running, so my Garmin Forerunner 235 counts it. When in cardiac rehab, I never had any irregularities while running- ekg was textbook. It happens only at rest, but I do count bpm only when the blood pressure monitor does not indicate an irregular beat.
Regarding my dosage, I was on 12.5 mg (one half the smallest tablet) once a day. My theory is that Lopressor and Wellbutrin (the other medication I'm on) has an interaction which increases blood concentration of the Lopressor. One site stated that concentration increases ca. 4x to 6x, but I don't know how reliable that is. We started with Lopressor slow release 50 mg? x 1x and that slowed my hearbeat down to around 40. Then went to normal release 25 mg x 2x, then 12.5 x 2x, then 1x. This was immediately after cabg over the course of a week or two. I was on 12.5 mg for around 4 months.
I have a Samsung also, and tried the heart rate monitor pre-cabg and it worked ok. That was before I wore the Garmin. It hiccups occasionally because of the sensor on the backside of the watch doesn't always mate up well with my wrist.
Have you ever had this symptom? Hard to explain, but have you ever had a muscle twitch from time to time? I had that happen in my neck where my carotid artery resides. I didn't think much of it, thinking it was just a twitch, until I was taking my pulse and noticed that the "twitch" occurred when my heart skipped. I wonder if my "pump" is pulling a vacuum?