Heart Skips a Beat? Why Heart Palpitations Happen During Perimenopause

One of the most unsettling symptoms of the menopause transition is that sudden feeling that your heart is skipping beats, racing, or pounding right out of your chest. If you’ve experienced this, you aren’t imagining it—and you are definitely not alone.

Research from the SWAN study (Study of Women's Health Across the Nation) shows that about 50% of womenexperience palpitations during perimenopause and early menopause.

The reassuring part? In most cases, these sensations are not a sign of heart disease. However, they do have a very real physiological basis. Let’s dive into what is actually happening in your body.

How Estrogen Fluctuations Trigger Hormonal Heart Palpitations

The list of tissues sensitive to estrogen is long, and your heart is no exception. During perimenopause, estrogen levels become "chaotic," fluctuating wildly rather than following a predictable cycle.

Estrogen acts directly on the heart’s signaling pathways—specifically the calcium and potassium ion channels that regulate your heartbeat. When estrogen is all over the place, it can disrupt these channels, leading to a dysregulated rhythm. In cardiology terms, estrogen helps modulate the QT interval (the timing of your heart’s electrical cycle). Without steady estrogen, your heart rhythm can feel "off."

The Link Between Your Nervous System and Heart Palpitations

Perimenopause is a high-stress time for the body, and your nervous system agrees. Estrogen normally helps regulate your sympathetic nervous system—the part of you responsible for the "fight or flight" response.

As estrogen declines, those "exciting" messages get through more easily. This is why many women experience heart racing in perimenopause or a baseline heart rate that feels consistently faster than it was in their 30s.

Why You Feel Heart Fluttering During Menopause Hot Flashes

We can't talk about perimenopause without mentioning the classic hot flash! In midlife, the brain’s tolerance for temperature changes narrows. This "thermal alarm" causes:

• Vasodilation (widening of blood vessels)

• Sudden sweating

• Heart palpitations

Often, a heart flutter is the "early warning system" that a hot flash is about to hit. It is all tied to how the brain and vascular pathways connect to temperature regulation.

Can Anxiety Worsen Heart Palpitations?

The menopause transition involves significant biological and psychosocial shifts that can increase feelings of anxiety. If you have a history of anxiety, you may be more susceptible to moderate-to-severe palpitations.

There is also a phenomenon called heightened cardiac interoception. Because your nervous system is more "sensitive" during this transition, your brain becomes hyper-aware of your heartbeat. You might feel heart activity that you previously would have just tuned out.

Heart Health & Heart Palpitations: The Big Picture

Despite how common they are, the SWAN study found that perimenopausal palpitations aren't usually associated with underlying cardiovascular disease (like arterial stiffness). Instead, they often reflect a change in how your brain perceives your heart’s activity.

However, if this is a new symptom for you, it is always a good idea to bring it up to a healthcare provider. It’s important to rule out any arrhythmias that might benefit from specific management or medication.