Heart palpitations

Here's what's actually happening

Heart palpitations affect somewhere between 25% and 50% of women during the menopausal transition — and in some studies the number is even higher. Yet most women are completely unprepared for them, and many end up in cardiology offices getting workups that come back normal, without anyone connecting the symptom to their hormones.

The heart is directly affected by estrogen. Estrogen helps regulate how the heart's electrical signals are conducted, supports the health of the blood vessel lining, and keeps the nervous system's control over heart rate balanced. When estrogen declines, all of those systems are disrupted. The result can be a heart that is more electrically irritable — more prone to skipping, fluttering, or briefly racing, especially in response to the sudden surges of heat and adrenaline that come with hot flashes.

Research confirms that palpitations are strongly linked to vasomotor symptoms and anxiety — both of which are themselves driven by estrogen loss. Interestingly, they are not associated with age, caffeine, alcohol, or actual heart rate differences. That tells us this is a hormonal and neurological phenomenon, not a lifestyle or structural heart issue.

The reassuring news: studies tracking women over time show that palpitations during perimenopause are not associated with subclinical heart disease or arterial changes. They feel alarming, but they are not typically a sign that something is structurally wrong with your heart.

In perimenopause vs. menopause

In perimenopause, palpitations tend to come and go with the hormonal fluctuations. Many women notice them most during hot flashes, at night, or during high-stress moments — all times when the nervous system is already activated. The unpredictability is part of what makes them so unsettling.

Research tracking women through the transition found that about half of those who experience palpitations have them at least once every 24 hours. For most, symptoms peak during perimenopause and early postmenopause and then diminish. But during the years they are present, they can be genuinely disruptive to sleep, daily functioning, and peace of mind.

When to take them seriously

Most menopausal palpitations are benign, but there are situations where further evaluation is warranted. If palpitations are accompanied by chest pain, shortness of breath, dizziness, or fainting — or if they are very frequent, prolonged, or feel like a sustained rapid rhythm — that is worth discussing with your care team promptly. A simple heart monitor worn for a day or two can provide reassurance or catch anything that needs attention.

It is also worth knowing that in the Women's Health Initiative, moderate to severe heart racing or skipping was associated with a higher cardiovascular risk profile among all menopausal symptoms studied. This does not mean palpitations cause heart disease, but it does mean women who experience them deserve attentive cardiovascular care as part of their overall picture.

What this means for your care

Because palpitations are so closely linked to vasomotor symptoms, treating hot flashes and night sweats often reduces palpitations as a secondary benefit. Estrogen therapy works by stabilizing the thermoregulatory system, restoring the blood vessel lining, and reducing the nervous system disruption that drives both vasomotor symptoms and the cardiac irritability that comes with them. Studies show estrogen therapy reduces vasomotor symptoms by about 75% — and many women notice their palpitations improve alongside.

Hormone therapy is not FDA-approved specifically for palpitations, and the direct evidence for it is limited. But the mechanism makes sense, the association with vasomotor symptoms is clear, and for women who are already good candidates for hormone therapy based on their other symptoms, palpitations are one more reason the treatment makes sense.