Hi there! Dr. Smith is my name. I'm a cardiologist, which means I specialize in the heart. A rapidly beating heart is something I frequently deal with, so let's delve into what that signifies and what to do about it.

When your heart races, you're experiencing what we call tachycardia. In medical terms, it signifies a heart rate exceeding 100 beats per minute in adults. However, it's crucial to understand that a fast heartbeat isn't always a cause for alarm. Our heart rates fluctuate naturally throughout the day, influenced by factors like physical activity, emotional states, and even common substances like caffeine.

**Let's explore some common reasons why your heart might be racing:**

* Physical Exertion: This is the most natural culprit. When you exercise, your muscles demand more oxygen, prompting your heart to pump blood faster to deliver it. It's perfectly normal and healthy.

* Stress and Anxiety: Those "fight or flight" hormones, adrenaline and noradrenaline, are released when we're stressed or anxious. These hormones increase your heart rate, preparing your body for a perceived threat.

* Caffeine and Nicotine: These stimulants rev up your nervous system, leading to a temporary increase in heart rate. Even small amounts can trigger this effect in some individuals.

* Medications: Certain medications, like decongestants and some asthma inhalers, can raise your heart rate as a side effect.

* Dehydration: When you're dehydrated, your blood volume decreases. To compensate, your heart has to pump faster to circulate the available blood, leading to a faster heart rate.

* Fever: For every degree (Celsius) your temperature rises, your heart rate can increase by roughly 10 beats per minute. This occurs because your body is working harder to fight off infection.

* Heart Conditions: In some cases, an underlying heart condition, such as an arrhythmia (irregular heartbeat) or heart valve disease, can cause tachycardia. These conditions often require medical attention.

When to Seek Medical Attention:

While a fleeting episode of a fast heartbeat is usually harmless, here are some red flags that should prompt you to seek medical attention:

* Chest pain
* Fainting or dizziness
* Shortness of breath
* **A heart rate that doesn't slow down with rest**
* **Heart palpitations (fluttering in your chest)**

**Here's what to do if you experience a racing heart with any of the above symptoms:**


1. Stay calm: Panicking can actually worsen your symptoms.

2. Sit or lie down: This can help slow your heart rate.

3. Practice deep breathing: Slow, deep breaths can help regulate your heart rate.

4. Call for medical help immediately: Dial your local emergency number.

**Remember, it's always best to err on the side of caution when it comes to your heart health. If you have any concerns, consult your doctor for a proper diagnosis and treatment plan.**
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Palpitations make you feel like your heart is beating too hard or too fast, skipping a beat, or fluttering. You may notice heart palpitations in your chest, throat, or neck. They can be bothersome or frightening. They usually aren't serious or harmful, though, and often go away on their own.read more >>