Pulse bp lecture
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Pulse is the feeling of the heart pumping blood through the arteries, commonly felt in the neck or wrist, with a normal rate around 60 beats per minute. Blood pressure is measured as the force of blood flow from the heart through the arteries, considered normal below 120/80, and is influenced by factors like heart rate, blood volume, and vessel size. Over time, high levels of LDL cholesterol can lead to arteriosclerosis where plaque builds up in the arteries, reducing their opening and increasing blood pressure.
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Understanding high blood pressure
The document discusses high blood pressure and its causes. It explains that blood needs to circulate throughout the body, pumped by the heart through arteries. The pressure exerted by the heart to push blood through the arteries is called the maximum or systolic pressure, while the resistance of the arteries is the minimum or diastolic pressure. Narrowed arteries increase resistance and force the heart to work harder to maintain blood flow, leading to high blood pressure. While the underlying cause of narrowed arteries is unknown, treatments aim to dilate arteries to normal size, but lifestyle changes like exercise and diet are also recommended to control high blood pressure.
Blood pressure
This document describes the circulatory system and blood pressure. It explains that systolic pressure occurs when the ventricles contract and push blood into the arteries. Diastolic pressure is lower and occurs when the heart relaxes. Blood pressure is expressed using both systolic and diastolic pressure values. The normal blood pressure range is 80-120 mmHg. The circulatory system involves two circuits: pulmonary circulation carries deoxygenated blood from the heart to the lungs and back, while systemic circulation carries oxygenated blood from the heart to the rest of the body and back.
Abc Of Heart
The document discusses various pathologies that can cause enlargement of different parts of the heart and pulmonary vasculature. It lists conditions such as mitral regurgitation, pulmonary venous hypertension, mitral stenosis, left atrial myxoma, and papillary muscle dysfunction that can lead to enlargement of the left atrium. It also lists increased blood flow, ventricular septal defects, patent ductus arteriosus, pulmonary arterial hypertension, and pulmonary venous hypertension as causes of enlargement of the main pulmonary artery. Finally, it discusses cardiomyopathy, pericardial effusion, multiple valve disease, and coronary artery disease as potential causes of cardiac dilation.
Diagnostic Procedures
CT scans use x-rays and computers to produce detailed images of internal organs, bones, soft tissues, and blood vessels. Echocardiography uses sound waves to create images of the heart and assess chamber and valve function. Thrombolytic therapy treats dangerous clots by injecting clot-dissolving medications directly into blood vessels or using catheters to mechanically break up clots. Doppler ultrasound evaluates blood flow through the heart chambers and valves and can detect clots, fluid buildup, and aorta problems.
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The heart is located in the center of the chest and has 4 chambers divided by a wall. It pumps blood throughout the body to supply nutrients and oxygen and removes waste. The heart beats over 100,000 times per day, pumping over 7,500 liters of blood. Diseases that can affect the heart include congenital heart diseases present from birth, hypertension which increases blood pressure, and congestive heart failure where the heart cannot pump enough blood. Treatment depends on the disease but may include medication, surgery, exercise, and a healthy diet.
Cardiomyopathy
The document discusses cardiomyopathies, which are diseases of the heart muscle that affect its structure and function. It describes three main types - dilated, hypertrophic, and restrictive cardiomyopathy. For each type, it covers causes, symptoms, diagnostic tests, treatment options, and nursing care considerations.
Exercise physiology cardio & resp systems
The document summarizes key concepts in exercise physiology. It describes how oxygen-rich blood is pumped from the heart through arteries and returns through veins. It also explains how the lungs function like a tree to supply the body with oxygen through a network of airways. Finally, it defines terms like stroke volume, cardiac output, blood pressure, and lists physiological responses that are assessed before and after exercise like heart rate, breathing rate, and skin color.
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The cardiovascular system consists of the heart, blood vessels, and blood. The heart has four chambers and four valves that ensure one-way blood flow. The layers of the heart are the outer pericardium, middle myocardium, and inner endocardium. There are three main types of blood vessels - arteries, which carry oxygenated blood away from the heart; veins, which carry deoxygenated blood back to the heart; and capillaries, which link arteries and veins and allow for gas and nutrient exchange. The cardiovascular system circulates blood through two circuits - pulmonary circulation from the heart to the lungs and back, and systemic circulation from the heart to the rest of the body and back. Diseases of the
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Understanding high blood pressure
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Diagnostic Procedures
CT scans use x-rays and computers to produce detailed images of internal organs, bones, soft tissues, and blood vessels. Echocardiography uses sound waves to create images of the heart and assess chamber and valve function. Thrombolytic therapy treats dangerous clots by injecting clot-dissolving medications directly into blood vessels or using catheters to mechanically break up clots. Doppler ultrasound evaluates blood flow through the heart chambers and valves and can detect clots, fluid buildup, and aorta problems.
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The document summarizes key concepts in exercise physiology. It describes how oxygen-rich blood is pumped from the heart through arteries and returns through veins. It also explains how the lungs function like a tree to supply the body with oxygen through a network of airways. Finally, it defines terms like stroke volume, cardiac output, blood pressure, and lists physiological responses that are assessed before and after exercise like heart rate, breathing rate, and skin color.
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The document describes the cardiac cycle, which is the sequence of events in one heartbeat. It defines systole as the period of ventricular contraction and diastole as the period of ventricular relaxation. The cycle begins with atrial systole, where the atria contract and blood passes to the relaxed ventricles. This is followed by ventricular systole, where the ventricles contract and force blood out through the arteries. Finally, during diastole the ventricles relax and refill with blood from the veins, completing the cycle.
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The document discusses 3 medical procedures:
1. Cardiac CT uses x-rays to create 3D images of the heart and detect issues like narrowed arteries or calcium buildup. Contrast dye may be used.
2. Doppler ultrasound uses soundwaves to measure blood flow and detect blockages, injuries, or conditions like blood clots or aneurysms.
3. PTCA restores blood flow in blocked arteries by inserting a catheter and inflating a balloon to widen the artery, compressing fatty deposits. Risks include vessel damage, clots, and rupture.
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Alternative Concepts : Blood Circulatory System
1. Blood circulates through two loops between the heart and lungs and between the heart and body in order to oxygenate in the lungs and deliver oxygen to tissues.
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Cardiovascular system, its anatomy, its function and all basics related to it describe in the most easiest possible way. Check it out.
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Presentation 5 The Heart
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Control of blood pressure & the benefit of exercise
Biology iGCSE, A level
Cambridge/edexel curriculum
Concise notes to understand how exercise has an affect on blood pressure. Includes brief mention about heart disease and treatment with stenting/CABG. Includes brief discussion about lifestyle factors.
Available in PDF and PPT versions.
Can i take this opportunity to thank everyone from whom iv
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Cardiomyopathy is a disease of the heart muscle where the heart loses its ability to pump blood effectively. The three main types are dilated, hypertrophic, and restrictive cardiomyopathy. Dilated cardiomyopathy causes the heart to become enlarged and weakened, hypertrophic causes the heart muscle to thicken abnormally, and restrictive makes the heart muscle stiff. Cardiomyopathy can be caused by infections, toxins, genetic conditions, or other heart diseases. Treatment involves medications to manage symptoms, devices like pacemakers, and in severe cases surgery like heart transplant may be needed.
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An arrhythmia occurs when the electrical impulses that coordinates your heartbeats don't work properly, resulting in your heart to beat too fast, too slow or abnormally.
Cardiac catheterization
Cardiac catheterization is a procedure where doctors insert a thin tube called a catheter into an artery in the arm or leg leading to the heart. The catheter distributes contrast dye that shows up on x-rays to visualize the coronary arteries and assess how well the heart is working. Common cardiovascular problems include high blood pressure, aneurysms, embolisms, blood clots, high cholesterol, and varicose veins. Maintaining a healthy lifestyle through regular checkups, managing cholesterol and blood pressure, eating well, and consulting a doctor for any illness can help ensure a healthy heart and long life.
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The document summarizes the human circulatory system. It describes that the circulatory system includes vessels and muscles that help control blood flow around the body. The main parts are the heart, arteries, capillaries and veins. The heart pumps oxygen-rich blood through the arteries and returns deoxygenated blood through the veins to the lungs and back to the heart.
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The document describes the cardiac cycle, which is the sequence of events in one heartbeat. It defines systole as the period of ventricular contraction and diastole as the period of ventricular relaxation. The cycle begins with atrial systole, where the atria contract and blood passes to the relaxed ventricles. This is followed by ventricular systole, where the ventricles contract and force blood out through the arteries. Finally, during diastole the ventricles relax and refill with blood from the veins, completing the cycle.
3 types of procedures
The document discusses 3 medical procedures:
1. Cardiac CT uses x-rays to create 3D images of the heart and detect issues like narrowed arteries or calcium buildup. Contrast dye may be used.
2. Doppler ultrasound uses soundwaves to measure blood flow and detect blockages, injuries, or conditions like blood clots or aneurysms.
3. PTCA restores blood flow in blocked arteries by inserting a catheter and inflating a balloon to widen the artery, compressing fatty deposits. Risks include vessel damage, clots, and rupture.
Cardiovascular procedures
Exercise stress testing involves walking on a treadmill or biking while monitoring the heart to determine how it responds to exertion. It is used to evaluate heart health, check for abnormal heart rhythms, determine the need for further testing, and help develop a safe exercise program. Cardiac catheterization threads a thin tube into the heart to perform diagnostic tests and treatments. It is used to check blood flow and pressure in the heart chambers and arteries to diagnose conditions like coronary artery disease. Angiography uses an injected dye to make arteries visible on x-rays, allowing detection of blood vessel problems and evaluation of blood flow.
Heart Disease NOTES - CRACK NEET by Dr. Sheth
Heart Disease NOTES - CRACK NEET by Dr. Sheth
For Lecture videos on Heart Disease
https://www.youtube.com/watch?v=jogIOV5w7bk&t=53s
Diseases of heart valves lecture
The heart has four chambers that work together to pump blood throughout the body. The two atria contract to fill the ventricles with blood, then the ventricles contract to pump blood out of the heart through the arteries. There are valves between the chambers that allow blood to flow in only one direction. Heart conditions can develop when these valves do not open or close properly, restricting blood flow. Common valve problems include mitral stenosis, mitral regurgitation, aortic stenosis, and aortic regurgitation, each with different causes, symptoms, and treatments.
Alternative Concepts : Blood Circulatory System
1. Blood circulates through two loops between the heart and lungs and between the heart and body in order to oxygenate in the lungs and deliver oxygen to tissues.
2. The heart has four chambers that keep oxygenated and deoxygenated blood separate to facilitate efficient gas exchange in the lungs.
3. Both arteries and veins are involved in the circulation of both oxygenated and deoxygenated blood, depending on their location in the body.
Fa1zanS: Cardiovascular system basics and Summary (Easily illustrated)
Cardiovascular system, its anatomy, its function and all basics related to it describe in the most easiest possible way. Check it out.
Cardiovascular system
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The circulatory system moves blood throughout the body using the heart and blood vessels. The heart has four chambers and pumps blood, which carries oxygen and nutrients, between the lungs and body. Blood pressure measures the force of blood flow, and high blood pressure increases health risks like stroke and heart attack. Blood contains red blood cells, which carry oxygen, white blood cells for infection-fighting, and platelets for stopping bleeding.
Presentation 5 The Heart
The cardiovascular system maintains blood distribution throughout the body. It consists of the heart and blood vessels. The heart is located in the mediastinum behind the sternum and is about the size of a fist. Stress tests evaluate cardiac fitness and chest pains by monitoring the heart's electrical activity and changes in blood pressure and pulse during increasing exercise. Risks include irregular rhythms, chest pain, and heart attack. Cardiac catheterization inserts a thin tube into the heart chambers to collect samples and measure pressures, detecting abnormalities. Risks are bleeding, infection, damage, and allergic reactions. Serum lipoprotein tests blood cholesterol and triglyceride levels to prevent cognitive issues, with minimal risks.
Control of blood pressure & the benefit of exercise
Biology iGCSE, A level
Cambridge/edexel curriculum
Concise notes to understand how exercise has an affect on blood pressure. Includes brief mention about heart disease and treatment with stenting/CABG. Includes brief discussion about lifestyle factors.
Available in PDF and PPT versions.
Can i take this opportunity to thank everyone from whom iv
The Heart
The heart beats over 2.5 billion times in a lifetime without rest, pumping over 2,000 liters of blood per day to power life. Located in the middle of the chest between the lungs, the heart has four chambers - two atria that fill with blood and two ventricles that pump it out. Risk factors like obesity, high blood pressure, and high cholesterol can lead to heart disease and heart attacks from blocked arteries.
CVS ppt
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The document discusses the anatomy and function of the human heart. It describes how the heart is located in the chest behind the lungs and tilted towards the left. It has four chambers - two atria which receive blood and two ventricles which pump blood out of the heart. The heart works through electrical signals which cause the heart walls to contract and pump blood to the lungs and body. The document also discusses how heart disease is the leading cause of death and is often caused by high cholesterol blocking arteries.
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Fa1zanS: Cardiovascular system basics and Summary (Easily illustrated)
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The document summarizes coronary artery disease and how it relates to the structure and function of the heart. It describes how blood flows through the heart chambers and vessels, how blockages can occur, and conditions like angina and heart attack that can result. It provides information on diagnosing and treating coronary artery disease.
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1. The document discusses the cardio-vascular system and how yoga benefits it.
2. It provides details on the anatomy and functions of the heart and blood vessels in circulating oxygenated blood throughout the body.
3. Yoga practices like asanas, pranayama, and meditation are said to help reduce stress and balance the sympathetic and parasympathetic nervous systems, thereby lowering blood pressure and heart rate.
PEShare.co.uk Shared Resource
The document discusses key concepts related to the structure and function of the heart, including:
- The heart is divided into four chambers - two upper atria and two lower ventricles separated by valves.
- It functions as a double pump, with the left side pumping oxygenated blood to the body and the right side pumping deoxygenated blood to the lungs.
- Other terms defined include stroke volume, cardiac output, heart rate, blood pressure, and how these values change with exercise and training.
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Blood pressure is the pressure of circulating blood on the walls of blood vessels. Most of this pressure is due to work done by the heart by pumping blood through the circulatory system. Used without further specification, "blood pressure" usually refers to the pressure in large arteries of the systemic circulation.
Cardiovascular system
The cardiovascular system, also called the circulatory system, is comprised of the heart and blood vessels. The heart pumps oxygenated blood received from the lungs through the left side of the heart into the systemic circulation, where it circulates through arteries, capillaries, and veins to deliver oxygen and nutrients to tissues before returning deoxygenated blood to the right side of the heart and lungs to become reoxygenated. The cardiovascular system also transports hormones, waste products, carbon dioxide, and other materials throughout the body. Disorders of the circulatory system include anemia, leukemia, hemophilia, heart murmurs, and heart attacks.
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Pulse bp lecture
- 1. Pulse & Blood Pressure!
- 6. Pulse Pump of your heart felt in a blood vessel Feeling expansion of artery as left ventricle pushes blood towards your organs Arteries only Commonly felt in… Carotid artery in neck Radial artery in the wrist “Normal” is around 60 bpm.
- 7. Blood Pressure Blood moves down a pressure gradient from high to low Very high when it leaves the heart (enough to squirt 30 feet!) Very low by the time it returns BP measured as Systolic over Diastolic Again arteries only “Normal” is around 120/80 or lower (to a degree) Function of… Blood volume Heart rate Size of blood vessel openings (lumen) Viscosity (thickness) of blood Hypertension vs. Hypotension
- 8. Arteriosclerosis Caused by too much low density lipoproteins in blood(LDL; aka “bad” cholesterol) Cholesterol plaque builds up on artery walls – makes opening smaller. Same amount of blood + less room to move = higher blood pressure (hypertension)