Angina pectoris is not considered a disease in itself, but rather a symptom of heart disease, specifically coronary artery disease. It occurs as a result of a lack of oxygen-rich blood reaching the heart muscle. Many patients wonder what angina is and what its causes are, and the answer is that the most common cause is narrowing or blockage of the coronary arteries, which reduces blood flow to the heart and leads to a feeling of pain or pressure in the chest.
Many also search for angina and its symptoms because it may be an early indicator of a problem that requires rapid diagnosis and treatment, especially if the symptoms recur or appear during rest.
A person with angina feels pain similar to pressure or heaviness in the middle of the chest, and it may extend to the shoulder, neck, arms, jaw, or back. It is important to know the primary symptoms of angina because they help in quickly heading to the doctor before the condition develops into a heart attack. Learn in this article the difference between angina and a heart attack, how each is diagnosed, and the best treatment methods.
What is the Difference Between Angina and a Heart Attack?
Answering the question “Is angina the same as a heart attack?”, we can define a heart attack (myocardial infarction) as a complete or near-complete blockage in one of the coronary arteries due to the formation of a blood clot inside it. This leads to an interruption of oxygen-rich blood flow to a part of the heart muscle, which may result in permanent damage to the heart muscle or serious complications such as heart muscle weakness or dangerous heart rhythm disturbances, and may threaten the patient’s life if medical intervention is not rapid.
As for angina, it often results from a temporary decrease in blood flow to the heart, and therefore it differs from a heart attack despite the similarity of symptoms between them.
It is sometimes difficult to distinguish between angina and a heart attack due to the similarity of symptoms. However, heart attack symptoms are usually more severe and last longer. Therefore, the doctor relies on a set of tests such as an electrocardiogram (ECG), cardiac enzyme analysis, in addition to an echocardiogram (Echo) to determine the efficiency of the heart muscle and the extent of any damage resulting from the heart attack.
Read also: Does artery blockage cause death?
Symptoms of Angina
The severity of symptoms varies from one patient to another. Mild angina symptoms may be a simple feeling of pressure or discomfort in the chest when exerting effort, while they may become more severe if the narrowing of the coronary arteries increases.
The symptoms of angina include the following:
- Chest pain and a feeling of pressure or heaviness.
- The pain may extend to the shoulder, jaw, neck, or back.
- Shortness of breath.
- Nausea.
- General weakness.
- Sweating, especially in severe cases.
- Dizziness or lightheadedness.
In some cases, the causes of sudden angina may be related to the rupture of a fatty deposit inside the coronary artery, leading to a sudden decrease in blood flow to the heart muscle, which requires rapid medical intervention to evaluate the condition and prevent complications.
However, unstable angina symptoms are characterized by:
- Chest pain is sudden and sharp, usually occurring during rest or sleep, unlike stable angina which often appears with effort.
- Symptoms last longer compared to stable angina.
- Symptoms do not disappear even with rest or medication.
- The severity of symptoms increases over time, and therefore it is considered a condition that requires urgent medical evaluation.
Symptoms of Angina
Symptoms of angina include:
- Chest pain.
- Neck pain.
- Shortness of breath.
- Sweating.
- Dizziness.
- Vomiting and nausea.
It is important not to ignore these symptoms because the danger of angina lies in the fact that it may be a sign of severe narrowing of the coronary arteries, and in some cases, it may develop into a heart attack if not diagnosed and treated in time, especially if the symptoms become more frequent or appear during rest.
Symptoms of a Heart Attack
A heart attack is not always preceded by any symptoms, and it varies from one patient to another. It may start gradually with mild symptoms, or appear suddenly and severely.
Heart attack symptoms may appear or disappear over several hours and include:
- Sudden shortness of breath.
- Feeling pain or pressure in the middle or left side of the chest.
- Pain extending to the arm, back, shoulder, stomach, neck, or jaw.
- Feeling unexplained fatigue.
- Cold sweat.
- Nausea or vomiting.
- Fainting, which is a serious symptom that requires immediate medical intervention.
Diagnosing the Difference Between Angina and Heart Attack
Clinical examination and accurate diagnosis are the primary means to know whether angina is a heart attack or not. Therefore, the doctor relies on medical history and symptoms in addition to various medical tests.
Diagnosing Angina
Angina is diagnosed using one of the following methods:
- The doctor asks about the medical history in detail, with a comprehensive clinical examination.
- Blood tests, especially the Troponin test which is an indicator of heart muscle damage, in addition to measuring cholesterol and sugar levels.
- CT scan of the coronary arteries to monitor blood flow within the arteries.
- Chest X-ray to rule out other causes of chest pain.
- Echocardiogram (Echo) and Electrocardiogram (ECG), noting that the ECG may be normal in some patients.
- Exercise stress test to evaluate heart efficiency during physical activity.
- Diagnostic cardiac catheterization to determine the location of the blockage and the degree of coronary artery narrowing. It also helps in determining the best treatment method, whether with medication, therapeutic catheterization, or surgical intervention.
Diagnosing a Heart Attack
A heart attack is diagnosed by:
- Coronary angiography to detect blockage sites.
- Electrocardiogram (ECG).
- Echocardiogram (Echo).
- X-ray or CT scan of the chest.
- Blood tests such as Troponin, Cardiac Creatine Phosphokinase (CPK-MB), and Myoglobin.
Read also: Causes of a heart attack
Treatment of Angina
Returning to the question “Is angina the same as a heart attack?”, the similarity between symptoms makes accurate diagnosis essential for choosing the appropriate treatment.
Angina treatment relies on three main methods:
1.Treating angina with medication and lifestyle changes.
2.Treating angina with cardiac catheterization and stent placement when needed.
3.Treating angina with surgery in advanced cases.
Many patients wonder if angina can be cured, and the answer is that it depends on the cause of the injury and the degree of arterial narrowing. With early diagnosis, commitment to treatment, and lifestyle changes, symptoms can be largely controlled and the risk of complications reduced, while some cases may need therapeutic catheterization or heart surgeries to restore normal blood flow.
There is also much research on the treatment of stable angina, which usually begins with lifestyle modification and the use of appropriate medications. In case of persistent symptoms or severe coronary artery blockage, the doctor may recommend catheterization and stent placement or surgical intervention according to each patient’s condition.
Lifestyle Changes to Treat Angina and the Difference Between Heart Attack and Angina
Maintaining healthy daily habits helps improve the patient’s quality of life and reduce the chances of recurring angina attacks. Among the most important of these habits is moderate exercise.
Exercise must be under medical supervision because exertion may increase the appearance of angina symptoms in some patients; therefore, appropriate activities should be chosen according to the health condition.
It is also advised to control blood pressure, adhere to a healthy and balanced diet, quit smoking, maintain an ideal weight, and reduce stress and psychological pressure, as all contribute to limiting the progression of coronary artery disease.
Treating Angina with Medication
Angina medications include:
- Nitroglycerin (under-the-tongue tablet): A fast-acting medication that helps relieve chest pain by dilating blood vessels and improving blood flow to the heart muscle.
- Antiplatelet drugs: Which reduce the chances of blood clot formation.
- Anticoagulants: In cases determined by the doctor.
- Beta-blockers: Which reduce heart rate and blood pressure, easing the burden on the heart muscle.
- Statins: To lower cholesterol levels and reduce fat deposition within the arteries.
- Calcium channel blockers: Which help relax blood vessels and improve blood flow.
- Ranolazine: Which contributes to reducing angina symptoms especially during exertion, and can be used alone or with other medications according to the doctor’s assessment.
Treating Angina with Surgery
Surgical intervention is resorted to when medications and lifestyle changes do not achieve the desired results, or in case of severe coronary artery blockage.
Surgical treatment methods include:
- Coronary Artery Bypass Graft (CABG): Aims to create a new path for blood flow around the narrowed or blocked part of the artery, improving blood supply to the heart muscle and relieving angina symptoms.
- Treating artery blockage with cardiac catheterization and stent placement: Where the narrowed artery is widened using a balloon, then a stent is placed to keep the artery open and improve blood flow.
In some appropriate cases, minimally invasive surgical intervention may be an effective option, as it achieves good therapeutic results with reduced wound size and faster recovery compared to traditional surgeries. The doctor determines the most appropriate method according to each patient’s condition.
Read also: Cost of open-heart surgery.
Treatment of a Heart Attack
A heart attack is an emergency condition that threatens the patient’s life; therefore, immediate medical intervention is required as soon as symptoms appear.
Treatment includes:
- Cardiopulmonary resuscitation (CPR) when needed.
- Oxygen administration.
- Thrombolytic drugs (clot-busters).
- Nitroglycerin.
- Blood thinners such as Aspirin.
- Medications to ease the burden on the heart and control pain.
- Urgent cardiac catheterization to open the blocked artery and place a stent if necessary.
- Some cases may require coronary artery bypass surgery.
Summary of the Difference Between a Heart Attack and Angina
In conclusion, the answer to the question “Is angina the same as a heart attack?” is that angina is often a warning sign of a potential heart attack. Given the great similarity between symptoms, rapid diagnosis and choosing the appropriate treatment help reduce complications and maintain heart health.
Professor Dr. Mohamed El-Ghannam, Consultant of Open-Heart Surgery and Minimally Invasive Surgery, has extensive experience in diagnosing and treating coronary artery diseases, whether using therapeutic catheterization and stent placement or open-heart surgery and minimally invasive surgical intervention, with choosing the most appropriate treatment plan for each patient according to their health condition. Therefore, do not hesitate to book your appointment for the proper diagnosis and treatment.
