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What is cardiac function and how does it work?
Cardiac function refers to all the physiological mechanisms by which the heart ensures the circulation of blood throughout the body. This vital process transports oxygen and nutrients to the cells, while eliminating metabolic waste products. The heart, a hollow, contractile muscle, is divided into four chambers: two atria and two ventricles. Blood rich in carbon dioxide is received in the right atrium, pumped to the right ventricle, then sent to the lungs for oxygenation. Oxygenated blood returns to the left atrium, is pushed into the left ventricle and distributed throughout the body via the arteries. This circulation is achieved by a series of rhythmic contractions called heartbeats.
What are the main indicators of heart health?
The main indicators of heart health include heart rate, blood pressure, heart rhythm, and the heart's ability to respond to physical demands without abnormal symptoms such as shortness of breath, chest pain or syncope. A normal resting heart rate is between 60 and 100 beats per minute. Ideal blood pressure is generally around 120/80 mmHg. Deviations from these values may signal heart problems.
How can I improve my heart function?
You can improve your heart function by adopting a healthy lifestyle:
What are the common disorders associated with heart function?
Heart function disorders can range from mild to severe, including :
How does technology help monitor and improve heart function?
Technology plays a crucial role in monitoring and improving heart function. Heart-health tracking devices, such as smartwatches, can measure heart rate and other parameters in real time. Advanced medical equipment, such as echocardiograms and pacemakers, offer precise ways of diagnosing and treating heart disease. Artificial intelligence is also being used to analyze cardiac data and predict the risk of heart disease, enabling early intervention.
What are the best dietary practices to support healthy heart function?
To maintain optimal heart function, it is recommended to follow a Mediterranean or similar diet, rich in fruits, vegetables, fish, and healthy oils such as olive oil. Limiting salt, saturated fats and added sugars is crucial. Incorporating omega-3-rich foods, such as salmon and walnuts, can also help reduce inflammation and improve cardiovascular health. Alcohol should be consumed in moderation, as excessive consumption can have adverse effects on the heart.
How does stress affect heart function, and how can it be managed?
Chronic stress can have a negative impact on heart function, increasing the risk of heart disease. It often causes a rise in blood pressure and can lead to arrhythmia. To manage stress effectively, it is advisable to practice relaxation techniques such as meditation, yoga or deep breathing exercises. Good time management and regular pleasurable activities can also help reduce stress levels.
What role does exercise play in preventing heart disease?
Exercise plays a vital role in preventing heart disease by improving heart function and reducing risk factors such as obesity, high blood pressure and type 2 diabetes. We recommend at least 150 minutes of moderate physical activity per week, such as brisk walking, cycling or swimming. Exercise also helps to improve blood cholesterol levels and strengthen the heart muscle.
What are the latest technological advances in the treatment of heart disease?
Recent technological advances in the treatment of heart disease include ventricular assist devices, which support the hearts of patients in severe heart failure, and improved imaging techniques such as three-dimensional echocardiography. The development of biocompatible materials for cardiac prostheses and innovation in pacemakers and implantable defibrillators offer more effective, personalized solutions. Telemedicine and mobile health applications are also booming, enabling remote monitoring and improved management of cardiac conditions.
How does sleep influence heart function?
Quality sleep is essential for healthy heart function. Lack of sleep or poor quality sleep can contribute to increased blood pressure, inflammation and stress, all of which increase the risk of heart disease. It is recommended to get 7 to 8 hours of sleep per night. Adopting a regular bedtime routine, avoiding screens before sleep, and creating a calm, comfortable sleep environment can help improve sleep quality.
