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Signs of a Heart Attack – Recognize Symptoms
Recognizing the signs of a heart attack can save lives. Common symptoms include chest pain, shortness of breath, and pain radiating to the arm. Learn more now.
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Recognizing the signs of a heart attack can save lives. Common symptoms include chest pain, shortness of breath, and pain radiating to the arm. Learn more now.
What Is a Heart Attack?
A heart attack (medically known as a myocardial infarction) occurs when blood flow to a part of the heart muscle is suddenly blocked. This is most often caused by a blood clot forming in a coronary artery that has already been narrowed by atherosclerosis (plaque buildup). Without sufficient oxygen, the affected heart muscle tissue begins to die. A heart attack is a medical emergency where every minute counts.
Classic Signs of a Heart Attack
The symptoms of a heart attack can vary from person to person. The most common and well-known warning signs include:
- Chest pain or pressure: A persistent, squeezing, pressing, or burning sensation in the center or left side of the chest, lasting more than a few minutes or coming and going.
- Radiating pain: Discomfort that spreads to the left arm, neck, jaw, back, or upper abdomen.
- Shortness of breath: Difficulty breathing or feeling unable to get enough air, sometimes occurring without chest pain.
- Nausea and vomiting: Particularly common in women.
- Cold sweats: Sudden, unexplained sweating.
- Dizziness or lightheadedness: A feeling of weakness, faintness, or near-fainting.
- Pale or grayish skin color: An unusual pallor or grayish appearance of the face.
Atypical Signs – Especially in Women
Women often experience a heart attack with different or less pronounced symptoms than men. This can lead to delayed recognition and treatment. Atypical signs may include:
- Unusual fatigue or exhaustion (sometimes days before the event)
- Upper abdominal pain that may feel like a stomach problem
- Nausea without chest pain
- Back or jaw pain
- Insomnia in the days leading up to the event
Warning Signs – Hours or Days Before
Sometimes so-called prodromal symptoms appear hours or even days before a heart attack. These include:
- Recurring or new onset chest tightness (unstable angina)
- Unusual fatigue with minimal exertion
- Occasional shortness of breath or palpitations
These symptoms should always be taken seriously and evaluated by a doctor promptly.
What to Do If a Heart Attack Is Suspected
If a heart attack is suspected, immediate action is essential:
- Call emergency services immediately (e.g., 911 in the US, 112 in Europe) – do not delay.
- Have the person sit or lie down in a comfortable position (semi-upright is preferred).
- Loosen any tight clothing.
- Stay with the person and keep them calm.
- If the person becomes unconscious and shows no signs of life, begin CPR (cardiopulmonary resuscitation) while keeping emergency services informed.
Diagnosis
In the hospital, a heart attack is diagnosed using the following methods:
- ECG (Electrocardiogram): Records the electrical activity of the heart and reveals characteristic changes associated with a heart attack.
- Blood tests: Cardiac enzymes such as troponin are released into the bloodstream when heart muscle is damaged and can be detected in blood tests.
- Echocardiography: An ultrasound examination of the heart to assess its function and structure.
- Coronary angiography (cardiac catheterization): Directly shows which coronary artery is blocked.
Treatment
Treatment of a heart attack must begin as quickly as possible. The goal is to reopen the blocked artery and preserve as much heart muscle as possible:
- Percutaneous coronary intervention (PCI): The blocked artery is mechanically widened using a balloon and kept open with a stent.
- Thrombolysis: Medications are used to dissolve the blood clot if PCI is not immediately available.
- Medications: Blood thinners, beta-blockers, ACE inhibitors, and statins are used to support the heart and prevent future events.
Risk Factors and Prevention
The most important risk factors for a heart attack include:
- Smoking
- High blood pressure (hypertension)
- Elevated blood lipid levels (hypercholesterolemia)
- Diabetes mellitus
- Obesity and physical inactivity
- Family history of heart disease
A healthy lifestyle, regular medical check-ups, and consistent management of risk factors can significantly reduce the risk of a heart attack.
References
- European Society of Cardiology (ESC) – 2023 ESC Guidelines for the management of acute coronary syndromes. European Heart Journal, 2023.
- World Health Organization (WHO) – Cardiovascular diseases (CVDs): Key facts. Available at: https://www.who.int/news-room/fact-sheets/detail/cardiovascular-diseases-(cvds)
- American Heart Association (AHA) – Heart Attack Symptoms, Risk, and Recovery. Available at: https://www.heart.org/en/health-topics/heart-attack
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