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Understanding Heart Attack Symptoms and Treatments

Learn to recognize heart attack symptoms early and explore effective treatments. Understand warning signs, emergency response, and recovery options to protect your heart health.

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Written by Dr. Vasanthasree Nair

Reviewed by Dr. J T Hema Pratima MBBS

Last updated on 20th Aug, 2025

A heart attack is a serious medical emergency that occurs when blood flow to a part of the heart is blocked, usually by a blood clot. Without quick treatment, the affected heart muscle can be damaged or even die. Recognizing the symptoms early and seeking immediate medical help can save lives.

This article will help you understand what a heart attack is, its symptoms, causes, and treatments—so you can take the right steps to protect your heart health.

What is a Heart Attack?

A heart attack (medically known as a myocardial infarction) happens when one or more of the coronary arteries (blood vessels supplying the heart) get blocked. This blockage prevents oxygen-rich blood from reaching the heart muscle, leading to tissue damage.

Common Causes of a Heart Attack

The most common cause is coronary artery disease (CAD), where plaque (a buildup of cholesterol, fat, and other substances) narrows or blocks the arteries. Other causes include:

  • Blood clots forming over the plaque

  • Spasms in the coronary arteries (sudden tightening)

  • Severe stress or physical exertion (rare but possible)

Warning Signs of a Heart Attack

Heart attack symptoms can vary from person to person. Some people experience sudden, intense pain, while others have mild discomfort that develops slowly.

Most Common Symptoms

1. Chest Pain or Discomfort: A feeling of pressure, tightness, or squeezing in the center or left side of the chest. It may last for several minutes or come and go.

2. Pain Spreading to Other Areas: Discomfort may move to the arms (especially the left arm), back, neck, jaw, or stomach.

3. Shortness of Breath: Difficulty breathing, even without chest pain.

4. Cold Sweat: Sudden sweating without physical exertion.

5. Nausea or Vomiting: Feeling sick to the stomach, sometimes mistaken for indigestion.

6. Lightheadedness or Dizziness: Feeling faint or weak.

Less Common Symptoms (Especially in Women & Diabetics)

  • Unexplained fatigue

  • Stomach pain or heartburn-like sensation

  • Sudden anxiety or a feeling of doom

Note: Not everyone experiences severe chest pain. Some people, especially women and older adults, may have subtle symptoms. If you suspect a heart attack, seek emergency help immediately.

What to Do During a Heart Attack?

Every minute counts during a heart attack. Follow these steps:

1. Call Emergency Services (Dial 112 or your local emergency number): Do not ignore symptoms or wait to see if they go away.

2. Chew an Aspirin (if available and not allergic): It helps thin the blood and may reduce damage.

3. Stay Calm and Rest: Avoid any physical activity until help arrives.

4. CPR (If the Person is Unconscious): If someone collapses and stops breathing, perform CPR until medical help arrives.

How is a Heart Attack Treated?

The sooner treatment begins, the better the chances of recovery. Doctors may use:

1. Emergency Treatments

  • Angioplasty & Stent Placement: A thin tube (catheter) is inserted to open the blocked artery, and a small mesh tube (stent) is placed to keep it open.

  • Clot-Busting Medications (Thrombolytics): Given within hours of symptoms to dissolve blood clots.

  • Oxygen Therapy: Helps improve oxygen supply to the heart.

Consult Top Specialists

Dr. Rajib Ghose, General Practitioner

Dr. Rajib Ghose

General Practitioner

25 Years • MBBS

East Midnapore

VIVEKANANDA SEBA SADAN, East Midnapore

950

850

Dr. Chethan T L, General Physician/ Internal Medicine Specialist

Dr. Chethan T L

General Physician/ Internal Medicine Specialist

5 Years • MBBS, MD, DNB (General Medicine)

Bengaluru

Apollo Medical Center, Marathahalli, Bengaluru

550

83 Cashback

Dr. Kiran Macha, General Physician/ Internal Medicine Specialist

Dr. Kiran Macha

General Physician/ Internal Medicine Specialist

21 Years • MBBS,MD General Medicine

HYDERABAD

Sri Clinic, HYDERABAD

recommendation

85%

(100+ Patients)

750

800

Dr. Mijanur Rahaman Mondal, General Practitioner

Dr. Mijanur Rahaman Mondal

General Practitioner

3 Years • MBBS

Kolkata

Dr Utsa Basu Clinic, Kolkata

recommendation

97%

(25+ Patients)

500

2. Long-Term Treatments & Recovery

  • Medications: Blood thinners, beta-blockers, statins, and nitroglycerin may be prescribed.

  • Cardiac Rehabilitation: A supervised program of exercise, diet, and stress management.

  • Lifestyle Changes: Essential to prevent future heart problems.

How to Prevent a Heart Attack?

While some risk factors (like age and family history) can’t be changed, many others can be managed.

Lifestyle Changes

  • Eat a Heart-Healthy Diet: More fruits, vegetables, whole grains, and lean proteins. Limit salt, sugar, and saturated fats.

  • Exercise Regularly: At least 30 minutes of moderate activity (walking, swimming) most days.

  • Quit Smoking & Limit Alcohol: Smoking damages blood vessels; excessive alcohol raises blood pressure.

  • Manage Stress: Practice relaxation techniques like yoga, meditation, or deep breathing.

  • Maintain a Healthy Weight: Obesity increases heart disease risk.

Medical Check-ups & Monitoring

  • Control Blood Pressure & Cholesterol: High levels strain the heart.

  • Manage Diabetes: High blood sugar damages arteries over time.

  • Regular Heart Screenings: Especially if you have risk factors.

When to See a Doctor?

If you have any risk factors (high BP, diabetes, smoking, family history) or experience unusual symptoms, consult a cardiologist. Early detection and preventive care can save lives.

Need expert advice?

Book a consultation with Apollo24|7’s cardiologists for personalised heart care. You can also schedule tests like ECG, cholesterol checks, and stress tests from home.

Conclusion

A heart attack is life-threatening, but recognising the signs and acting fast can make all the difference. By adopting a heart-healthy lifestyle and staying alert to symptoms, you can reduce your risk and protect your heart.

Would you like to check your heart health? 

Consult Top Specialists

Dr. Rajib Ghose, General Practitioner

Dr. Rajib Ghose

General Practitioner

25 Years • MBBS

East Midnapore

VIVEKANANDA SEBA SADAN, East Midnapore

950

850

Dr. Chethan T L, General Physician/ Internal Medicine Specialist

Dr. Chethan T L

General Physician/ Internal Medicine Specialist

5 Years • MBBS, MD, DNB (General Medicine)

Bengaluru

Apollo Medical Center, Marathahalli, Bengaluru

550

83 Cashback

Dr. Kiran Macha, General Physician/ Internal Medicine Specialist

Dr. Kiran Macha

General Physician/ Internal Medicine Specialist

21 Years • MBBS,MD General Medicine

HYDERABAD

Sri Clinic, HYDERABAD

recommendation

85%

(100+ Patients)

750

800

Dr. Mijanur Rahaman Mondal, General Practitioner

Dr. Mijanur Rahaman Mondal

General Practitioner

3 Years • MBBS

Kolkata

Dr Utsa Basu Clinic, Kolkata

recommendation

97%

(25+ Patients)

500

Consult Top Specialists

Dr. Swathi Reddy Perugu, General Physician/ Internal Medicine Specialist

Dr. Swathi Reddy Perugu

General Physician/ Internal Medicine Specialist

7 Years • MBBS, MD (General Medicine)

Hyderabad

Health plus, Hyderabad

625

Dr. Rajib Ghose, General Practitioner

Dr. Rajib Ghose

General Practitioner

25 Years • MBBS

East Midnapore

VIVEKANANDA SEBA SADAN, East Midnapore

950

850

Dr. Chethan T L, General Physician/ Internal Medicine Specialist

Dr. Chethan T L

General Physician/ Internal Medicine Specialist

5 Years • MBBS, MD, DNB (General Medicine)

Bengaluru

Apollo Medical Center, Marathahalli, Bengaluru

550

83 Cashback

Dr. Kiran Macha, General Physician/ Internal Medicine Specialist

Dr. Kiran Macha

General Physician/ Internal Medicine Specialist

21 Years • MBBS,MD General Medicine

HYDERABAD

Sri Clinic, HYDERABAD

recommendation

85%

(100+ Patients)

750

800

Dr. Mijanur Rahaman Mondal, General Practitioner

Dr. Mijanur Rahaman Mondal

General Practitioner

3 Years • MBBS

Kolkata

Dr Utsa Basu Clinic, Kolkata

recommendation

97%

(25+ Patients)

500

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