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← Return to diagnosis or treatment for my 15 year old with tachycardia.
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diagnosis or treatment for my 15 year old with tachycardia.
Heart Rhythm Conditions | Last Active: Nov 5 3:50am | Replies (32)Comment receiving replies
IT might be Vagus nerve intonality. The Vagus nerve is part of the parasympathetic nervous system, the 'side' of the body's nerve supply that is meant to regulate and to calm. The sympathetic nervous system is the 'arousal' mechanism that is part of the 'fight or flight' response to stress. The Vagus nerve runs from the brain all the way down to the lower gut with at least 50 branches off it, running to most organs and into tissue. You might wish to research 'Vagus nerve tone' and cardiac reactivity and arrhythmias. Here's a fr'instance:
https://www.nature.com/articles/s41569-019-0221-2
The medical community feels that any HR between 60 and 99, inclusive, is 'normal sinus rhythm'. Some cardiologists have begun to question those range limits, especially the lower one, and think that 50 is more reasonable. The upper one, believe it or not, is pretty robustly supported. It seems high to me, but...your daughter's resting rate is well below that threshold.
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I wonder if any of the knowledgeable people here know whether avoiding activities that raise the heart rate for some period of time could somehow heal whatever is going on. I know this is vague!
Does walking raise the heart rate? Are there certain activities that don't, like, say, swimming? Can the heart be retrained?
My kid has a resting heart rate of 140 at one point, as I wrote, and my son's heart rate went really high after any exercise- at age 10 or so. Somehow both resolved and I have no idea why. Kid with high resting heart rate had a positive Lyme test and was eventually diagnosed with lupus, has type 1 diabetes. Co-morbidities can be important but so far your daughter doesn't have any!