Heart Palpitations: When to Worry and When to Relax

That sudden flutter. The thud you feel in your chest. The awareness that your heart just "skipped." Heart palpitations — the sensation of feeling your own heartbeat — are one of the most common reasons patients seek cardiology care. And one of the most anxiety-inducing.

The good news is that the vast majority of palpitations are benign. The key is knowing which ones aren't.

What Are Heart Palpitations?

Your heart beats approximately 100,000 times per day, and under normal circumstances you never notice it. A palpitation is simply the conscious awareness of your heartbeat — whether it feels fast, forceful, irregular, or like it briefly stopped and restarted.

Palpitations can feel different to different people. Some describe a fluttering or quivering in the chest. Others feel a hard thump, a racing sensation, or the heart pounding in the throat or neck.

Common Causes (Usually Harmless)

Most palpitations have straightforward triggers that are not dangerous:

• Stress and anxiety — the most common cause; the nervous system activates the heart
• Caffeine — coffee, energy drinks, and some teas can stimulate ectopic beats
• Dehydration and electrolyte imbalances — low magnesium or potassium are frequent culprits
• Lack of sleep — sleep deprivation raises stress hormones and heart rate variability
• Vigorous exercise — especially when unaccustomed to it
• Hormonal changes — pregnancy, menopause, and thyroid disorders are classic triggers
• Certain medications — decongestants, asthma inhalers, and some antidepressants

When Palpitations Signal Something More Serious

Some palpitations are caused by cardiac arrhythmias — abnormal electrical signals in the heart. Common ones include:

• Premature atrial contractions (PACs) and premature ventricular contractions (PVCs) — extra beats that feel like a "skip." Usually benign but can be frequent.
• Atrial fibrillation (AFib) — irregular, often rapid rhythm that significantly increases stroke risk
• Supraventricular tachycardia (SVT) — sudden episodes of fast heart rate, often 150–200 bpm
• Ventricular tachycardia — a potentially dangerous fast rhythm requiring prompt evaluation

What Happens at a Cardiology Evaluation?

At ElinMed, evaluating palpitations starts with a thorough history — when do they occur, how long do they last, what makes them better or worse, and what other symptoms accompany them. From there, Dr. Nyange may coordinate:

• 12-lead ECG — captures the heart's electrical activity at a single point in time
• Holter monitor — a wearable ECG recorder worn for 24–48 hours to catch intermittent arrhythmias
• Blood tests — thyroid function, electrolytes, CBC, metabolic panel to rule out secondary causes
• Echocardiogram — ultrasound of the heart to assess structure and function if indicated

Reducing Palpitations: Lifestyle Strategies

When palpitations are benign, simple lifestyle adjustments often make a significant difference:

• Reduce or eliminate caffeine for 2–4 weeks and note improvement
• Stay well-hydrated — aim for 8 glasses of water daily
• Ensure adequate magnesium (leafy greens, nuts, seeds) and potassium (bananas, avocado)
• Practice stress-reduction techniques (breathwork, meditation, regular exercise)
• Establish consistent, adequate sleep (7–9 hours)
• Limit alcohol consumption

The Bottom Line

Palpitations are almost always more frightening than they are dangerous. But "almost always" isn't "always" — which is why evaluation matters. A virtual consultation with Dr. Nyange can provide clarity, appropriate testing coordination, and peace of mind.