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Can heavy menstrual bleeding cause tachycardia?

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Patient's Query

Hello doctor,

Last month, I had a health check-up, and everything was fine. However, later on, my menstrual cycle was heavier than usual, and I felt quite weak. I went for an ECG at a local diagnostic center, which showed tachycardia and early transitional posterior infarction. I am very prone to anxiety.

Please advise me on what to do, as I am feeling overwhelmed.

Hello,

Welcome to icliniq.com.

Based on the limited details I have regarding this case, it seems you are concerned about the finding on the EKG (electrocardiogram) indicating an early transition infarct of the posterior wall. Since you recently experienced a heavy menstrual bleed and were feeling unwell, it is likely that this caused the racing heart (tachycardia) observed in your EKG results. When our body has less blood than normal, less blood circulates through the lungs, resulting in decreased oxygen levels in the available blood. Our body requires the same amount of oxygen it had before the decline in blood volume. To meet this need, the heart works harder to assist the lungs in providing the necessary oxygen. As a result, the heart begins to race and pump more frequently than usual, which is what the EKG detected as tachycardia.

Our body typically refills lost blood within a couple of weeks to a month, and this temporary compensatory mechanism of the heart will return to normal. You do not need to do anything; this process is automatic and regulated by natural mechanisms in our body.

Regarding the posterior infarct, it indicates that there may be an issue with the blood vessels supplying your heart. We cannot determine the severity or nature of this issue without further investigation. If the heart receives an inadequate blood supply for its muscles to function properly, it can result in the findings observed on your EKG. However, this does not necessarily indicate a severe problem; it could range from something minor to a more serious issue.

You should consult a cardiologist, who will be able to conduct a thorough evaluation and provide clarity on what is happening. They will also check for anemia (reduced blood volume and components). Please do not panic, and make an appointment with a cardiologist as soon as possible.

I hope this helps.

Feel free to reach out if you need further assistance; I would be happy to help.

Medically reviewed byDr. K. Shobana

Published At November 15, 2017
Reviewed AtDecember 15, 2025

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