Cardiologist | Cardiovascular Disease Questions Infectious Disease Specialist

Tachycardia started by covid?

I had the virus in November. Relapsed 3 days after being freed from quarantine. Fast heart rate was a symptom. It continues. I've been put on 2 beta-blockers, atenalol, and metropolol. I had bad side effects from both. It seems my autonomic breathing is really shallow. If I think about breathing and breathe deeper my rate drops significantly. What can be done about this? Can I train my autonomic breathing to breathe deeper? How? If there a safer medicine considering I am uninsured and can't buy an expensive medicine.

Female | 52 years old
Complaint duration: 6 months
Medications: Vit c, famotidine, omega 3, magnesium, b complex acid-a-cal
Conditions: Fibromyalgia many back issues including spinal stenosis

3 Answers

You may have the Long Covid; you may also need evaluation by a pulmonologist.
I think that you should be evaluated before any treatment:
-Check pulmonary function to be sure lungs are working
-If lungs are working, then a cardiac evaluation to see if your heart is working properly
-If lungs and heart are okay, then work up the autonomic nervous system
-Before then, check thyroid for hyperthyroidism, complete blood cell count
-To exclude anemia and I suppose changes in white blood cell counts

This may be expensive, but given the interest in defining complications of Covid-19, it may be available and not so expensive.

G. Dickinson
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Thanks for the question.

This is a bit complex. I will start by saying your cardiologist will have alternative options to beta blockers. I think you have post-COVID syndrome, and may even have had an element of heart inflammation called myocarditis, but your doctor must make that diagnosis. It is also helpful that deep breathing mitigates the rapid heart beat. Here is a suggestion. Find a focal point to look at and concentrate on, then take slow, deep breaths in through the nose, out through the mouth. Also, avoid caffeine, decongestants, and other medications that can cause rapid heart beat. Exercise regularly, and you can even consider meditation. Avoid unnecessary stress. There is no guarantee these will help, but they might, and they can't hurt.
I wish you well.