Why does my heart feel like it skips a beat?

Your heart feeling like it “skips a beat” is usually a heart palpitation—often a harmless extra or early beat that briefly changes your rhythm, so the next pulse feels delayed or “missing”. Most of the time, it’s not dangerous, but it can sometimes point to an underlying heart rhythm issue that needs checking.

What that “skip” actually feels like

  • You may notice a sudden flutter, thump, or pause in your heartbeat.
  • Doctors often describe it as a premature beat that doesn’t push enough blood, followed by a slightly stronger beat that feels like a “catch-up”.
  • The “skip” is that tiny gap between the early beat and the next normal one, not a true absence of heartbeat.

Common, usually harmless causes

These are the most frequent reasons people feel their heart skip:

1. Stress, anxiety, and strong emotions

  • Adrenaline from stress or panic can trigger extra beats and faster rhythms.
  • The feeling of the “skip” can then make you more anxious, which can make it happen even more.

2. Stimulants and lifestyle triggers

  • Caffeine (coffee, energy drinks, some sodas)
  • Nicotine (cigarettes, vaping)
  • Alcohol , especially binge drinking
  • Some cold remedies , diet pills, asthma inhalers, and other medications.

3. Hormone changes

  • Menstruation, pregnancy, and menopause can all bring palpitations.
  • An overactive thyroid (hyperthyroidism) can also speed up or irregularize your heartbeat.

4. Everyday physical factors

  • Strenuous exercise or being very deconditioned
  • Dehydration
  • Low potassium or magnesium
  • Poor sleep or extreme fatigue.

“Most heart palpitations are not serious medical issues. They’re just caused by fluctuations in emotion or exertion level.”

When it might be more than just a “skip”

Sometimes, what feels like a skipped beat is actually a heart rhythm disorder (arrhythmia) , such as:

  • Atrial fibrillation (AFib) – a very common cause of palpitations and irregular rhythm.
  • Premature atrial or ventricular contractions (PACs/PVCs) – extra early beats that can feel like flutters or skips.
  • Problems with heart valves (like mitral valve prolapse), heart muscle, or coronary arteries.

These are more likely if:

  • The “skips” happen frequently , last a long time, or get worse.
  • You have other symptoms (explained next).

When to seek medical help

You should call emergency services or seek urgent care if your palpitations are accompanied by:

  • Chest pain, pressure, or tightness
  • Severe shortness of breath
  • Dizziness, fainting, or near-fainting
  • Confusion or feeling very unwell.

You should see a doctor soon (not necessarily an ER, but schedule an appointment) if:

  • You often feel your heart skip or race, especially at rest.
  • You have known heart disease, a prior heart attack, or heart surgery.
  • You have an overactive thyroid, significant anemia, or other medical conditions.
  • The symptoms are new, worsening, or worrying you a lot.

A clinician may check:

  • Your pulse and blood pressure
  • Blood tests (thyroid, electrolytes, anemia)
  • An ECG (heart rhythm tracing), possibly with a wearable monitor if the skips are hard to capture.

What you can try now (if it’s likely benign)

If you’ve had this before, and there are no serious symptoms, some practical steps:

  • Reduce stimulants: cut back on caffeine, nicotine, and energy drinks.
  • Limit alcohol: avoid binge drinking; some people feel better stopping entirely.
  • Manage stress: deep breathing, yoga, meditation, or a short walk when you feel anxious.
  • Sleep and hydration: aim for regular sleep and drink enough water.
  • Check medications: ask your doctor if any of your prescriptions or OTC meds could be contributing and if alternatives exist.

Some people also try simple techniques during a palpitation:

  • Slow, deep breathing
  • The Valsalva maneuver (pinch your nose, close your mouth, and gently try to breathe out)
  • Splashing cold water on your face or brief cold face immersion.

Always do these carefully and stop if you feel worse.

Why this matters for you personally

Even though most “skipped beat” sensations are benign, your heart is unique. If this is:

  • Happening often ,
  • Getting more frequent , or
  • Making you feel unsafe or worried ,

then it’s reasonable to get a check-up rather than just watching and waiting. A quick clinic visit can often tell you whether this is just lifestyle-related or if there’s something like AFib or another arrhythmia that needs treatment. Bottom note: Information gathered from public forums or data available on the internet and portrayed here.