Cardiovascular system
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This document discusses cardiovascular procedures used to diagnose and prevent heart issues. It describes the heart and blood vessels that make up the cardiovascular system. Common procedures mentioned include cardiac scans using radioactive thallium to detect heart damage, electrocardiograms to diagnose abnormal heart rhythms, and stress tests on treadmills or bicycles while monitoring EKG and oxygen levels to evaluate cardiovascular fitness. The document emphasizes that catching cardiovascular issues early through these procedures can save lives and help prevent health from declining further.
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This document provides guidelines for cardiopulmonary resuscitation (CPR) and emergency cardiovascular care that are current until October 2020. After this date, an updated document should be requested from the listed organization. It also contains information on diagnosing and treating tachycardia, including appropriate doses of medications like adenosine and cardioversion procedures. Recommendations are provided for evaluating and managing stable or unstable rhythms based on factors like heart rate, blood pressure, pulse, and mental status.
Cardiovascular system
Stress tests determine how much stress the heart can handle before developing an abnormal rhythm or ischemia. Common stress tests include treadmill tests where the patient exercises until symptoms develop, adenosine tests using a drug to simulate exercise, and stress echocardiograms revealing blood flow issues. Thrombolytic therapy uses intravenous drugs to break up blood clots and prevent damage from heart attacks and ischemic strokes. Doppler ultrasounds use sound waves to evaluate blood flow and detect blockages, assessing arteries and veins in the neck, arms, legs, and during pregnancy. Carotid Doppler ultrasounds specifically image the carotid arteries in the neck, which are important to evaluate for blockages that could cause strokes.
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A stress test evaluates cardiovascular fitness by placing a patient on a treadmill or bicycle and steadily increasing the workload while monitoring their EKG and oxygen levels. An angiography injects an opaque material into blood vessels to take X-rays and can image the aorta, heart, or brain. Doppler ultrasonography uses sound wave echoes to produce images and measure blood velocity to detect blood clots or deep vein thromboses.
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Cardiac catheterization involves passing a thin tube through a blood vessel to the heart to detect abnormalities and determine blood pressure. It has a low risk of complications and quick recovery time. Echocardiography uses ultrasound to visualize internal cardiac structures in 2D and 3D, assessing the valves, output, and leakage. Stress tests evaluate cardiovascular fitness under stress, using either a nuclear tracer or treadmill, while monitoring EKG and oxygen levels.
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Stress tests monitor a patient's heart rate, breathing, blood pressure, and tiredness levels as they exercise on a treadmill or bike to increasingly difficult intensities. This helps doctors diagnose conditions like coronary artery disease, chest pain, and shortness of breath, determine safe exercise levels, and predict heart attack risk. Extracorporeal circulation reroutes blood to an external heart-lung machine during open heart surgery, oxygenating and pumping the blood back into the body. Echocardiograms use ultrasound to produce images of the heart's internal structures like chambers and valves to evaluate pumping function and identify muscle issues from conditions like poor blood flow or prior heart attacks.
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Power point final
This powerpoint discusses heart disease and heart attacks. It begins with a disclaimer and then outlines the scope of the presentation. The document is a personal study by the author who had a heart attack in 2012 and underwent triple bypass surgery. It discusses the causes of heart disease including plaque buildup from cholesterol in the blood. It explains the diagnostic tools and enzymes doctors use to detect a heart attack. Lifestyle changes around diet, exercise and stress reduction are recommended to prevent heart disease.
Power point final
This document discusses Frederick Blalock's personal experience and research into heart disease and heart attacks after suffering a heart attack himself in 2012. It provides information on:
1) The scope and disclaimer of the document as Blalock's personal research.
2) Details of Blalock's heart attack in 2012 and subsequent triple bypass surgery.
3) Explanations of what a heart attack is, the different types (unstable angina, NSTEMI, STEMI), how doctors diagnose them using cardiac enzymes like troponin and CK, and the causes and process of atherosclerosis and plaque buildup in the arteries.
Diagnostic procedures
An EKG records the heart's electrical activity and can help diagnose a heart attack or abnormalities. A stress test measures how the heart responds to exertion to evaluate blood supply. A Holter monitor records continuous heart rhythm over 1-2 days to detect rhythm problems, compared to a snapshot from an EKG. Bypass surgery improves blood flow by attaching a blood vessel to bypass a blocked coronary artery. High cholesterol, high blood pressure, obesity, diabetes, and inactivity increase heart disease risk and should be managed through lifestyle changes and medical treatment.
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Cardiovascular system
- 2. This system is composed of the heart and blood vessels that distribute blood, oxygen, and nutrients all through the body. The heart has four chambers and beats 60 to 100 beats per minute. It is located directly behind the sternum, about the size of a fist its shaped like an upside down pear. There are three types of blood vessels: arteries, capillaries, and veins. Theses vessels are shaped like pipes that circulate blood through out the body
- 3. There are procedures used in cardiovascular conditions that are used to prevent and diagnose different medical issues. Sometimes there are no signs or reasons for an Illness but catching it early can save a life or help someone from ending their life too soon. After years of studying, trials and error doctors and scientist have many ways of saving lives, diagnosing conditions and preventing further declining health issues. Here are a few procedures.
- 4. This procedure is used to determine any myocardial damage. The patient is given radioactive thallium intravenously and scanned with special equipment used to visualize the heart.
- 5. This is the process of recording the electrical activity of the heart. Its used to diagnosis the abnormal cardiac rhythm and heart muscle damage.
- 6. This is a method for evaluating cardiovascular fitness. The patient is placed on a treadmill or a bicycle and then subject to steadily increasing levels of work. EKG and oxygen levels are taken while the patient exercises. The test is stopped if abnormalities occur on the EKG. Its also called an exercise test or a treadmill test.
- 7. By using these procedures such as a cardiac scan, electrocardiography, or stress testing preventing and diagnosing cardiovascular health issues are manageable. Heart and blood vessel problems are fixable and preventable. With just a few easy steps a life can be saved as well as prolonged.