Need a Nurse? Why Your Heart Is Racing & Medically Approved Next Steps

If your heart is racing, pounding, or beating faster than usual, it can feel unsettling. Many people immediately wonder: Do I need a nurse? Is this serious?

A fast heartbeat—also called tachycardia—simply means your heart is beating faster than 100 beats per minute while at rest. Sometimes this is completely normal. Other times, it needs medical attention. The key is knowing the difference.

As a healthcare professional, I'll walk you through what could be happening, when to call a nurse or doctor, and what safe, medically approved next steps look like.

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First: What Counts as a "Fast" Heartbeat?

For most adults:

• A normal resting heart rate is 60–100 beats per minute
• Athletes may naturally have lower resting heart rates
• Heart rate increases during:
  • Exercise
  • Stress
  • Anxiety
  • Fever
  • Pain

If your heart is racing while you're sitting or resting, that's when it deserves closer attention.

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Common (and Often Harmless) Reasons Your Heart Is Racing

Not every fast heartbeat is dangerous. In fact, many cases are temporary and manageable.

1. Stress or Anxiety

When you're stressed, your body releases adrenaline. This naturally increases heart rate. It's part of your "fight or flight" response.

2. Caffeine or Stimulants

Coffee, energy drinks, nicotine, certain cold medicines, and supplements can all raise your heart rate.

3. Dehydration

When you don't drink enough fluids, your heart has to work harder to pump blood.

4. Fever or Illness

Infections often increase heart rate. For every 1°C (1.8°F) rise in body temperature, heart rate may increase by about 10 beats per minute.

5. Lack of Sleep

Poor sleep stresses the nervous system and can lead to a racing heart.

6. Hormonal Changes

Pregnancy, menopause, thyroid problems, and menstrual cycle changes can affect heart rhythm.

In these cases, a nurse may recommend monitoring symptoms, hydration, rest, and avoiding triggers.

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When a Fast Heartbeat May Be More Serious

Some heart rhythm issues require prompt medical evaluation.

Possible medical causes include:

• Atrial fibrillation (AFib)
• Supraventricular tachycardia (SVT)
• Thyroid disorders
• Anemia
• Electrolyte imbalances
• Heart disease
• Blood clots (rare but serious)

A nurse or doctor may use:

• An electrocardiogram (ECG)
• Blood tests
• Heart monitoring devices
• Blood pressure checks

These tools help determine whether your heart rhythm is safe or needs treatment.

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Warning Signs: When to Seek Immediate Help

Do not ignore a racing heart if it comes with:

• Chest pain or pressure
• Shortness of breath
• Fainting or near-fainting
• Severe dizziness
• Sweating with nausea
• Sudden weakness
• A heart rate over 150 beats per minute at rest
• A history of heart disease

These could signal a life-threatening condition. In this case, seek emergency care immediately.

If you are unsure, it is always safer to speak to a doctor or nurse right away.

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Should You Call a Nurse?

Many people first contact a nurse through:

• A primary care office
• A nurse advice line
• Telehealth services
• Urgent care

A nurse can help you assess:

• How fast your heart is beating
• How long it has lasted
• Other symptoms you're experiencing
• Your medical history
• Medication use

A nurse may advise:

• Monitoring at home
• Scheduling a same-day doctor visit
• Going to urgent care
• Going to the emergency room

Nurses are trained to triage symptoms and determine urgency. Reaching out is never overreacting.

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Medically Approved Next Steps You Can Take Now

If your symptoms are mild and you do not have emergency warning signs, here are safe, evidence-based actions:

✅ 1. Sit Down and Breathe Slowly

Try:

• Inhale for 4 seconds
• Hold for 4 seconds
• Exhale for 6 seconds
  Repeat for several minutes.

This activates the parasympathetic nervous system, which slows heart rate.

✅ 2. Hydrate

Drink water slowly. Dehydration is a common and fixable cause.

✅ 3. Avoid Stimulants

Skip:

• Coffee
• Energy drinks
• Decongestants
• Nicotine

✅ 4. Check Your Pulse

Count beats for 30 seconds and multiply by two.
Note whether it feels:

• Regular and fast
• Irregular
• Skipping beats

This information helps a nurse or doctor assess you accurately.

✅ 5. Review Medications

Some medications increase heart rate, including:

• Asthma inhalers
• Thyroid medication
• ADHD stimulants
• Some antidepressants

Do not stop medications on your own—but inform your nurse or doctor.

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When to Schedule a Doctor Visit

Even if symptoms improve, you should schedule a medical appointment if:

• Racing heart episodes happen repeatedly
• They last more than 10–15 minutes at rest
• You have thyroid issues
• You are pregnant
• You have diabetes
• You have high blood pressure
• You have a family history of heart disease
• You are over age 40 with new symptoms

A doctor may recommend heart monitoring for 24–48 hours to catch rhythm changes.

Always speak to a doctor about anything that could be serious or life-threatening. It is better to check and be reassured than to ignore symptoms.

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Unsure What's Going On?

If you're not sure whether your symptoms are urgent or what might be causing them, Ubie's free AI-powered fast beating heart symptom checker can help you get clarity right now.

This type of tool can:

• Ask structured medical questions
• Help you understand possible causes
• Suggest next steps
• Help you prepare questions for a nurse or doctor

It's not a replacement for medical care—but it can guide your next move.

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How Nurses Help in Heart-Related Concerns

Nurses play a critical role in heart health. They:

• Assess symptoms quickly
• Monitor vital signs
• Educate patients about warning signs
• Coordinate urgent care
• Provide reassurance when appropriate
• Identify when immediate medical attention is needed

If you are asking yourself, "Do I need a nurse?"—that instinct matters. Trust it.

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The Bottom Line

A racing heart can be:

• Completely normal and temporary
• Stress-related
• Caused by dehydration or caffeine
• A sign of a medical condition

Most cases are not life-threatening—but some are.

Here's the practical takeaway:

• If you have chest pain, fainting, or severe symptoms → Seek emergency care.
• If symptoms are new, recurring, or concerning → Call a nurse or doctor.
• If you're unsure → Use a structured symptom checker and follow up with a healthcare professional.

Your heart works nonstop for you. If something feels off, it deserves attention—not panic, but not neglect either.

And most importantly: Speak to a doctor about anything that could be life threatening or serious. Getting professional input early can prevent complications and provide peace of mind.

If your heart is racing right now, pause. Sit. Breathe. Assess. Then take the next smart step—whether that's hydration, calling a nurse, or seeking urgent care.

Your health is worth it.