Sudden Cardiac Death in India: A Silent Threat

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29 Sep, 2023
Sudden Cardiac Death in India: A Silent Threat
Sudden Cardiac Death in India: A Silent Threat

Sudden cardiac death (SCD) is a frightening and often unexpected event that claims the lives of thousands of people around the world each year. It is a tragic occurrence that can strike without warning, leaving family and friends in shock and despair. In this article, we will explore what SCD is, its symptoms, preventive measures, and treatment, with a particular focus on its occurrence in India.

Sudden cardiac death is a term used to describe an abrupt, unexpected death that occurs within minutes after the onset of symptoms. In many cases, individuals affected by SCD are not aware that they have an undetected heart problem that is not symptomatic. It is only after the person dies that the cause of death is ascribed to heart disease.

The primary reason behind SCD is often arrhythmia, a condition characterized by irregular heart rhythms, which can disrupt the normal pumping of blood. These abnormal rhythms can be so severe that they lead to a complete cessation of the heart's pumping action, resulting in cardiac arrest.

Unlike some other heart conditions, SCD often occurs without any prior warning signs or symptoms. However, some individuals may experience warning signs in the moments

leading up to a sudden cardiac event. These symptoms may include:

Chest Pain or Discomfort: Some people may experience chest pain or discomfort shortly before a sudden cardiac event. This pain is often described as crushing or squeezing and may radiate to the arms, neck, jaw, or back.

Shortness of Breath: Sudden difficulty in breathing can be an early indicator of a heart problem that could lead to SCD.

Loss of Consciousness: Many SCD cases involve a sudden loss of consciousness, often with no prior warning. The affected person may collapse suddenly.

Palpitations: Some individuals may feel rapid, irregular, or fluttering heartbeats before a sudden cardiac event. It is important to note that not everyone who experiences these symptoms will go on to experience SCD, but anyone experiencing them should seek medical attention immediately. Preventing sudden cardiac death requires a multifaceted approach that involves lifestyle changes, early detection of heart problems, and appropriate medical interventions. Here are some preventive measures to consider:

Regular Health Checkups: Routine health checkups, including blood pressure monitoring, cholesterol level assessments, and ECGs, can help identify potential heart problems before they become life-threatening.

Lifestyle Modifications: Adopting a heart-healthy lifestyle is crucial in preventing SCD. This includes maintaining a balanced diet, engaging in regular physical activity, quitting smoking, and limiting alcohol consumption.

Awareness of Family History: Individuals with a family history of sudden and unexplained deaths, especially at a young age, should be particularly vigilant. There may be genetic factors at play, making regular heart checkups essential.

Management of Chronic Conditions: If you have conditions like diabetes, hypertension, or high cholesterol, it is vital to manage them effectively under the guidance of a healthcare professional.

AED Availability: In public places and high-risk environments, having automated external defibrillators (AEDs) available can significantly increase the chances of survival in the event of sudden cardiac arrest.

Education and Training: It is important for people to be trained in basic life support (BLS) techniques, including CPR, as quick action can be the difference between life and death in SCD cases.

While SCD is a global health concern, its occurrence in India presents some unique challenges. India, with its vast and diverse population, faces several factors that increase the risk of SCD. India has witnessed a steady rise in cardiovascular risk factors such as hypertension, diabetes, obesity, and tobacco use. The factors that significantly contribute to the risk of SCD are:

Genetic Predisposition: Genetics plays a substantial role in the incidence of SCD in India. Families with a history of heart disease may carry genetic traits that predispose individuals to cardiac arrhythmias.

Lack of Awareness: Despite the growing burden of heart disease in India, awareness about preventive measures and early detection remains relatively low in many parts of the country.

Healthcare Disparities: Access to healthcare varies widely across India, with rural areas often facing challenges in terms of healthcare infrastructure and resources. Dr Sumanta Chatterjee, Senior Consultant, Interventional Cardiology, AMRI Hospital Dhakuria, who shed more light on SCD’s unique aspects, emphasized on the importance of recognizing the genetic component of SCD in India. “Sometimes, there is a history of sudden and unexplained deaths in many Indian families. These cases often go unreported or undiagnosed, but they may be indicative of a genetic predisposition to heart conditions. Anybody having such genetic traits should get themselves checked from their teenage years."

He also stressed the need for greater awareness and education about heart health, especially in underserved communities. “Preventive measures and early detection can save lives. It's essential for individuals to know their risk factors and take steps to protect their heart health.”

The treatment of SCD is a race against time, as immediate intervention is crucial to increase the chances of survival. When a person experiences sudden cardiac arrest, the following steps are typically taken:

Cardiopulmonary Resuscitation (CPR): Bystanders and healthcare professionals should begin CPR immediately to manually pump blood to vital organs and provide oxygen until more advanced treatments are available.

Defibrillation: The use of an automated external defibrillator (AED) is critical in restoring a normal heart rhythm. AEDs can be used by trained individuals to deliver an electric shock to the heart, potentially restarting its normal beating pattern.

Emergency Medical Services: Activating emergency medical services (EMS) is essential to ensure that the affected person receives advanced medical care as quickly as possible. EMS personnel can provide advanced life support, including medications and advanced cardiac monitoring.

Hospital Care: Once at the hospital, individuals who have experienced SCD may undergo further diagnostic tests and receive treatment tailored to their specific condition. This may include medications, implantable cardiac devices like pacemakers or implantable cardioverter-defibrillators (ICDs), or interventional procedures.

It's important to note that the chances of survival from SCD decrease significantly with every passing minute without intervention. Thus, the immediate response of bystanders and the availability of AEDs can make a significant difference in outcomes. Sudden cardiac death is a grave and often unexpected event that can strike anyone, regardless of age or apparent health. In India, where a combination of genetic factors and lifestyle-related risks contributes to the incidence of SCD, awareness, early detection, and timely intervention are of utmost importance.

By taking proactive measures such as regular health checkups, adopting a heart-healthy lifestyle, and increasing awareness about the genetic predisposition to heart conditions, individuals in India can reduce their risk of SCD. Additionally, the availability of AEDs in public places and the knowledge of basic life support techniques can improve the chances of survival in the event of sudden cardiac arrest. In the face of this silent threat, education, and preventive measures can play a vital role in saving lives and ensuring that sudden cardiac death becomes a rarity rather than a tragic reality in India and around the world.


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