The heart plays a vital role in the human body.
It is the central component of the circulatory system.
The heart sends nutrient-rich and oxygen-rich blood throughout the body to nourish the organs and all cells, helping us maintain life.
POSITION, SIZE, WEIGHT
The heart resides within the chest cavity, between the two lungs. It sits slightly behind the breastbone (sternum), which is a flat bone in the front of the chest cavity, and leans a bit towards the left side.
Each person's heart is roughly the size of their fist. The average adult heart weight ranges from around 230 to 340 grams.
On average, men tend to have slightly larger hearts than women.
For men: Around 280-340 grams (10-12 ounces)For women: Around 230-300 grams (8-10 ounces)
Regular exercise, chi kung practice, etc., can help strengthen the heart muscle.
HEART STRUCTURE & SIGNIFICANCE
The human heart has 4 chambers:
The 2 upper, smaller chambers are the left atrium and the right atrium.
The 2 lower, larger chambers are the left ventricle and the right ventricle.
On average, the heart beats continuously 100,000 times a day. An adult heart pumps about 5-6 liters of blood per minute at rest; when we run or exercise, the heart can pump 3-4 times that amount to ensure that the body has enough oxygen and energy.
If the heart's pumping function becomes ineffective even just for a few minutes, a person's life is endangered.
HOW THE HEART WORKS
Oxygen-rich blood from the heart travels through the arteries to reach all parts of the body.
Oxygen-poor blood from all parts of the body returns to the heart through the veins.
Capillaries are the smallest blood vessels, with very thin walls, that connect arteries and veins. They facilitate the exchange of oxygen, carbon dioxide, nutrients, and waste products between blood and tissues.
The left ventricle pumps oxygen-rich blood into the aorta, which carries it throughout the body to nourish all the cells.
Oxygen-poor blood returns to the right atrium through two large veins.
Oxygen-poor blood from the right atrium flows into the right ventricle to be pumped into the pulmonary artery.
After collecting oxygen, the pulmonary veins transfer blood into the left atrium.
Oxygen-rich blood from the left atrium is transferred into the left ventricle.
And thus, a new cycle begins.
COMMON HEART DISEASES
Heart diseases are caused by disorders of the heart rhythm, blood vessels, or both. Heart diseases are the leading cause of death worldwide.
Dilated cardiomyopathy is characterized by symptoms such as heart failure and arrhythmias. The chambers of the heart become enlarged as a result of weakened heart muscle, leading to an inability to pump blood properly. The most common cause is insufficient oxygen delivery to the heart muscle due to coronary artery disease.
Coronary artery disease (CAD, coronary heart disease, atherosclerosis, ischemia): Plaque (composed of fatty deposits, cholesterol, and other substances) builds up in the coronary arteries, reducing blood flow and oxygen delivery to the heart muscle, causing chest pain (angina pectoris) and, in severe cases, a sudden blockage resulting in a heart attack (myocardial infarction) and permanent damage to the heart. If not treated promptly, the disease will make your heart to work harder and gradually weaken, leading to heart failure and arrhythmias (irregular heartbeats) that are dangerous.
Cardiac arrhythmia occurs when heartbeats are irregular, sometimes fast, sometimes slow, changing too rapidly, or inconsistent. This condition is often due to weak bioelectricity (electric currents occurring within or produced by the body), leading to abnormal heart function. It's crucial to seek medical attention promptly to avoid potential serious complications.
Valvular heart disease (also called heart valve disease) can be congenital or due to connective tissue disorders or weak bioelectricity. Commonly encountered is heart valve regurgitation, which causes the blood to flow backward, making the heart very fatigued and posing danger.
In addition, other conditions involving the heart and blood vessels include myocardial infarction (heart attack), heart failure, hypertrophic cardiomyopathy, pulmonary artery stenosis, hypertension (high blood pressure), and stroke.
COMMON SYMPTOMS OF HEART DISEASE
- Frequent shortness of breath.
- Chest pain or tightness (which can last up to 10 minutes).
- Facial swelling, eyelid swelling, swollen legs (at certain times of the day).
- Frequent fatigue and exhaustion (possibly due to a lack of blood flow to the heart, lungs, and brain).
- Persistent cough. When coughing while lying down, one finds it very difficult to breathe. The heart does not supply enough blood to the body, leading to blood and fluid accumulation in the lungs.
- Loss of appetite, nausea (one of the reasons for loss of appetite is fluid accumulation in the liver and digestive system).
- Frequent urination at night. Heart failure results in water retention, leading to swelling in various parts of the body, including the kidneys.
- Rapid, irregular, or abnormal heartbeat, resulting in reduced blood flow to the brain, leading to dizziness or fainting.
FACTORS CONTRIBUTING TO THE RISK OF HEART DISEASE
- Age: Older adults are at higher risk than younger individuals.
- Gender: Men are generally at higher risk than women.
- Genetics: If you have immediate family members with heart disease, your risk is elevated.
- Smoking and Alcohol Use: Smokers and alcohol consumers have a higher risk compared to non-smokers and non-drinkers.
- Obesity: Being overweight or obese increases the risk of heart disease.
- Diabetes: Diabetes is a significant risk factor for heart disease. People with diabetes have twice the risk for heart disease.
- Hypertension (high blood pressure): High blood pressure doubles heart failure risk in men, triples it in women.
- High Cholesterol: Elevated cholesterol levels contribute to heart disease risk.
- Unhealthy Diet: A diet high in saturated fats and low in fruits, vegetables, and whole grains increases the risk.
- Sleep Deprivation and Insomnia: Lack of adequate sleep and insomnia disrupt heart health.
- Stress: Chronic stress can contribute to heart disease development.
- Unhealthy Lifestyle: A sedentary lifestyle with insufficient physical activity elevates the risk.
THE HEART ACCORDING TO TRADITIONAL EASTERN MEDICINE
chatsonic:
Therefore, to help keep the heart healthy, it is important to regularly practice qigong, especially focusing on exercising the arms and hands.
When practicing qigong correctly, regularly, and sufficiently, we generate a strong electrical flow to control and regulate the heartbeat.
Blood flows into and out of the 4 chambers of the heart through the heart valves, which can be likened to lids or doors.
The opening and closing of these valves depend on electrical impulses. The speed of their opening and closing depends on the volume of blood flow, as well as the health and activity level of each individual.
With a strong electrical flow, these valves open and close at the right time, tightly and appropriately to the speed of blood flow. For example, when we engage in strenuous physical work or sports, the amount of blood passing through these valves increases and flows faster.
chatgpt: In Traditional Eastern Medicine, the heart is considered the most important among the five zang and six fu organs.
Among the human body's 12 principal meridians, the chi pathway or channel for the heart is called "Arm Shao Yin Heart Meridian", which runs along the inner side of both of our arms and hands.
Blood moving in and out of the four chambers of the heart must pass through the heart valves, which can be imagined as lids or doors.
The opening and closing of these valves depend on bioelectricity. The speed at which the valves open and close depends on the amount of blood passing through, as well as each person's health and activity
levels.
When our bioelectricity is robust, these valves open and close at the right time, tightly and in accordance with the blood flow rate. For example, when we engage in strenuous physical work or sports, the amount of blood passing through these valves increases and flows faster.
Therefore, to keep the heart healthy, we need to regularly practice chi kung, especially focusing on the arms and hands.
When
practicing chi kung correctly, regularly, and sufficiently, we create a strong bioelectricity to control and regulate the heart rate.
HOW TO KEEP THE HEART HEALTHY AND PREVENT HEART DISEASE
- Live positively, joyfully, lovingly, and practice letting go. Minimize stress.
- Maintain a healthy weight-to-height ratio (not too skinny, not overweight or obese).
- Don't smoke.
- Don't drink alcohol.
- Eat healthy. Make sure your daily diet includes adequate vegetables and fruits.
- Eat more slowly or at a moderate pace, avoid eating too quickly.
- Get enough sleep and rest.
- Exercise appropriately, regularly, and sufficiently; stretch the T4 (4th thoracic vertebra) area of the spine.
- Practice chi kung for the entire body, especially focusing on the arms and hands.
Here's to the ever important heart health, yours and mine!
- Ly Binh Son, USA