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| Name | The Human Heart #shorts #science #nature #health |
| Video Uploader | Video From The Learn Medicine Show |
| Upload Date | This Video Uploaded At 02-06-2024 15:28:43 |
| Video Discription | The human heart is an incredible organ, full of fascinating functions and capabilities. Here are 10 amazing medical facts about the heart: 1) *Heart Sounds* : The sounds of the heart, often described as "lub-dub," are produced by the closing of the heart valves. The "lub" (S1) sound occurs when the mitral and tricuspid valves close, and the "dub" (S2) sound occurs when the aortic and pulmonary valves close. These sounds are critical for diagnosing heart conditions 2) *Heart Rate* : The average resting heart rate for adults is 60 to 100 beats per minute. Athletes may have resting heart rates closer to 40 beats per minute due to higher cardiovascular efficiency. Dual Pump System: The heart is a dual pump with four chambers: two atria (upper chambers) and two ventricles (lower chambers). It ensures oxygen-poor blood goes to the lungs and oxygen-rich blood is distributed throughout the body. 3) *Heart Valves* : The heart has four valves (mitral, tricuspid, aortic, and pulmonary) that ensure blood flows in the correct direction. Valve disorders can lead to conditions like stenosis or regurgitation, affecting blood flow efficiency. 4) *Blood Supply* : The heart receives its own supply of blood through the coronary arteries. Blockages in these arteries can lead to coronary artery disease, which is a major cause of heart attacks. 5) *Cardiac Output* : Cardiac output is the amount of blood the heart pumps per minute. For an average adult, this is about 5 litres per minute at rest, but it can increase to 20 litres or more during intense exercise. 6) *Heart Valves* : The heart has four valves (mitral, tricuspid, aortic, and pulmonary) that ensure blood flows in the correct direction. Valve disorders can lead to conditions like stenosis or regurgitation, affecting blood flow efficiency. 7) *Hypertension* : High blood pressure (hypertension) is a major risk factor for heart disease. It can damage the heart and arteries over time, leading to complications such as heart attack, stroke, and heart failure. 8) *Cholesterol and Heart Disease* : High levels of low-density lipoprotein (LDL) cholesterol can lead to plaque buildup in the arteries, increasing the risk of atherosclerosis and heart disease. Managing cholesterol levels through diet, exercise, and medication is crucial for heart health. 9) *Smoking and Heart Disease* : Smoking is a major risk factor for heart disease. It damages the lining of the arteries, reduces the amount of oxygen in the blood, and increases blood pressure and heart rate, all of which significantly increase the risk of heart attack and stroke. If you know an interesting fact about the heart, please share it below! JhsUeJAm9Kg |
| Category | Education |
| Tags | Heart rate | atrial fibrillation | blood supply | cardiac output | cardiovascular health | cholesterol | coronary arteries | electrocardiogram | heart attack | heart disease | heart failure | heart sounds | heart valves | hypertension | smoking |
