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What causes the heart to skip a beat?

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When heartbeats suddenly become more noticeable, they are called heart palpitations. Sometimes they can feel as though the heart has skipped a beat.

Palpitations can also feel like the heart is pounding, fluttering, or beating irregularly. A person may experience these sensations in the throat or the neck. They can last for a few seconds or several minutes.



Heart palpitations can be frightening, especially when experienced for the first time. However, they are usually nothing to worry about.

A heart palpitation happens when someone suddenly feels one or more heartbeats. Because the heart pumps blood automatically, people are usually unaware of individual beats.

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A heartbeat is a pumping action that takes about 1 second and happens in two parts:

  • Part 1: As blood collects in the upper two chambers, an electrical signal causes a contraction that pushes blood to the lower chambers.

  • Part 2: Blood is pushed from the heart into the lungs, where it is mixed with oxygen before circulating around the body.

Below is an interactive animation of a normal heartbeat.

Explore the animation with your mouse pad or touchscreen.

Causes of skipped beats

The heart skipping a beat can be the result of a number of factors, including:

1. Lifestyle triggers

Strenuous exercise, not getting enough sleep, or drinking too much caffeine or alcohol can all lead to heart palpitations.

Smoking tobacco, using illicit drugs such as cocaine, or eating rich or spicy foods can also cause the heart to skip a beat.

2. Psychological or emotional triggers

Palpitations can be caused by stress or anxiety.

They may also occur during a panic attack. Other symptoms of a panic attack include:

  • nausea

  • feeling weak or dizzy

  • numbness in the extremities

  • chest pain or tightness

  • trembling

  • shortness of breath

    3. Medication

    A number of medicines can trigger heart palpitations. These include:

    • asthma inhalers, such as salbutamol and ipratropium bromide

    • medications for high blood pressure, such as hydralazine and minoxidil

    • antihistamines, such as terfenadine

    • antibiotics, such as clarithromycin and erythromycin

    • antidepressants, such as citalopram and escitalopram

    • antifungal medicines, such as itraconazole

    Anyone who has frequent heart palpitations and is taking medication should check the list of possible side effects on the label.

    They should not stop taking the drug, however, without speaking to a doctor. Usually, heart palpitations are a harmless side effect.

    4. Hormone changes

    Periods, pregnancy, and menopause can all cause heart palpitations.

    5. Arrhythmias

    are a group of health conditions that can interfere with the heart’s rhythm. Millions of people have arrhythmias, and they are especially common as people get older.

    Most are harmless, but some require medical attention.

    The following are examples of arrhythmias:

    • Atrial fibrillation, which can cause a fast, irregular heart rate.

    • Atrial flutter, which can make the heart beat quickly with a regular or irregular rhythm.

    • Supraventricular tachycardia, which causes episodes marked by an abnormally fast but regular heart rate. It tends to affect otherwise healthy people.

    • Ventricular tachycardia, a potentially serious condition that causes a fast, regular heart rhythm and is sometimes associated with dizziness or blackouts.

    6. Heart conditions

    In some cases, palpitations can indicate problems with the heart. Examples include:

    • A mitral value prolapse, which causes blood to flow inefficiently through the heart.

    • Heart failure, which happens when the heart is unable to pump blood effectively.

    • Hypertrophic cardiomyopathy, which refers to an enlargement of the heart muscle and its walls.

    • Congenital heart disease, which refers to abnormalities that are present from birth.

    7. Other medical conditions

    The following issues can also cause palpitations:

    • dehydration

    • anemia

    • a fever of 100.4°F or higher

    • hyperthyroidism, which refers to an overactive thyroid

    • hypoglycemia, which refers to low blood sugar levels

    Symptoms

    Heart palpitations tend to feel like a fluttering or churning in the chest or neck.

    When more serious arrhythmias are responsible, palpitations can occur with the following symptoms:

    • tiredness

    • dizziness

    • lightheadedness

    • fainting

    • a rapid or pounding heartbeat

    • shortness of breath

    • chest pain

    In extreme cases, heart palpitations can lead to sudden cardiac arrest.

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Health & Lifestyle

Soft Drink after hot exercise endangers kidney.

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Downing a cool soft drink after a hot workout can feel refreshing. However, according to the latest research, it may cause further dehydration and interfere with kidney function.

Caffeinated soft drinks that are high in fructose are hugely popular worldwide. They need no introduction.



The beverages have been widely lambasted for their potential role in both the obesity and diabetes crises, and a recent study may add a fresh health risk to the growing list.

Researchers from the University at Buffalo in New York recently assessed soft drinks’ impact on kidney health when consumed during and after physical exertion.

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When we exercise in a hot environment, blood that flows through the kidneys is reduced. This helps regulate blood pressure and conserve water. It is a normal response and causes no harm.

However, in clinical settings, a steep drop in blood flow through the kidneys can cause acute kidney injury (AKI) because of the accompanying drop in oxygen supply to the tissues.

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Earlier studies have shown that exercise, in general, but particularly in higher temperatures, increases biomarkers of AKI.

At the same time, research also indicates that consuming a high-fructose soft drink increases AKI risk in rats experiencing dehydration.

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Health & Lifestyle

Somalia empowers President to appoint foreigner as Central bank governor.

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Somali lawmakers voted on Monday to allow the president to appoint a foreigner as governor of the central bank of the volatile Horn of Africa nation.



Previously only a citizen could be appointed to the role as is the case across much of the continent. The vote was held in the lower house of the parliament.

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An overwhelming majority of lawmakers (158) voted for the change as proposed by the government of President Mohamed Abdullahi Farmaajo and Prime Minister Ali Hassan Khayre.

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Seventeen MPs kicked against the move even though the government justified the proposal by saying the country needed every available expertise to change its fortunes.

Even though there is no known foreign candidate for the role, a presidential assent – which is seen as procedural – will see government headhunt for a a new bank chief.

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