Pregnancy changes your body in remarkable ways, and your heart works harder than ever. Your blood volume rises, your heart rate speeds up, and a fluttering or pounding feeling can catch you off guard. Often, this faster rhythm—known as tachycardia—is a normal part of a healthy pregnancy.

Still, it’s natural to worry when your heart races. You want to protect yourself and your baby. The good news is that most palpitations during pregnancy are harmless and temporary.

That said, some symptoms deserve a closer look. Knowing the difference between expected changes and warning signs helps you feel confident and stay safe. Let’s walk through what’s normal, what’s not, and when expert care makes all the difference.

Why Your Heart Races During Pregnancy

Your body supports two lives now, so your heart pumps more blood with every beat. By the third trimester, your blood volume can increase by nearly 50%.

This extra workload naturally raises your resting heart rate by 10 to 20 beats per minute. A little tachycardia, in this setting, is often simply your heart adapting.

Common, everyday triggers include:

  • Hormonal shifts that speed up your heartbeat
  • Dehydration or skipping meals
  • Caffeine, stress, or lack of sleep
  • Anemia, which is common in pregnancy
  • Growing pressure from your expanding uterus

For a deeper look at your changing rhythm, our guide on understanding heart palpitations breaks down the science in simple terms.

When Tachycardia Is Normal

Most palpitations are brief and harmless. They come and go, often after activity, a big meal, or a stressful moment.

You can usually relax if your racing heart:

  • Lasts only a few seconds or minutes
  • Settles when you rest, hydrate, or breathe slowly
  • Comes without other troubling symptoms
  • Follows caffeine, exertion, or anxiety

These moments are your heart doing its job under extra demand.

Simple Ways to Ease Palpitations

Small, steady habits can calm your heart and bring peace of mind:

  • Stay hydrated throughout the day
  • Limit caffeine and rest when you feel tired
  • Eat balanced meals to steady your energy
  • Practice slow, deep breathing during stressful moments

Warning Signs You Should Never Ignore

Certain symptoms point to a rhythm problem that needs prompt attention. Trust your instincts—if something feels wrong, it’s worth checking.

Call your provider or seek care right away if a fast heartbeat comes with:

  • Chest pain or tightness
  • Shortness of breath at rest
  • Dizziness or fainting
  • A rapid rhythm that won’t slow down
  • Swelling in your legs beyond normal pregnancy changes

Experienced cardiologist doctors can pinpoint the cause and create a plan that protects both you and your baby. Working with skilled cardiologist doctors early gives you clarity and confidence throughout your pregnancy.

How Specialists Evaluate Your Heart

A cardiac evaluation during pregnancy is safe, gentle, and reassuring. Your care team may recommend:

  • An electrocardiogram (ECG) to map your rhythm
  • A Holter monitor to track your heart over 24 hours
  • Blood tests to check for anemia or thyroid issues
  • An echocardiogram, when needed, to view your heart’s function

Our prenatal heart care team tailors each step to your comfort and your family’s needs.

Peace of Mind for You and Your Baby

You don’t have to navigate a racing heart alone. Whether your palpitations are routine or need closer monitoring, partnering with the best cardiologist in Brooklyn ensures expert answers and a personalized plan.

Our team blends compassionate, reliable care with flexible scheduling built around your pregnancy. From a quick reassurance visit to ongoing rhythm monitoring, we’re here every step of the way.

If your heart has been racing and you’d like clarity, don’t wait. Schedule a visit with our cardiology team today by calling us at +1-718-367-2555 or walking into our clinic at 1797 Pitkin Avenue, Brooklyn, NY 11212, to get personalized care for you and your baby. 

Perform Your Search Within the Site

Just write what you want and you will find it.

Generic selectors
Exact matches only
Search in title
Search in content
Post Type Selectors