...ASSESSMENT OF THE PATIENT Why do we assess the pt? · To evaluate the client’s current physical condition · To detect early signs of developing health problems · · Gather General Data information….The Data Base 1. Personal Data 2. Chief Complaint = 3. Past Health History = the past health problems, treatments, & outcomes. A. Surgical history…..type & date of surgery. B. Medical Illnesses 4. Family History= 5. Allergies = 6. Current Meds 7. Prosthesis= Pacemaker, Hearing Aid, Dentures, False Eye, False Limb 8. ADL’S @ home….hygiene, bladder & bowel elimination, hygiene, activity level, diet habits. 9. Health Practices 10. Lifestyle Habits Vital Signs: Must be taken Height/Weight: Always take the pt’s weight on the hospital scale 1. Compare the weight with 2. Determine if See Guidelines of Wgt/Height measurement pg. 188. Before you begin your assessment, ask the pt how he/she feels? · Note any Signs & Symptoms = warning that something is wrong. A. sign= B. symptom = C. local sign= D. systemic sign = one that’s produced by the effect of disease on the whole body · Does the pt c/o any pain or discomfort? Where? · How much pain? · use Make your assessment give a mental picture of the patient: · don’t use critical or judgmental words · don’t use the words: Good or Bad, Well, or Normal · Instead describe why you think it’s normal, good, or bad! 4...
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...Security Analysis Edwards Lifesciences Jesse Blair Security Analysis Edwards Lifesciences Jesse Blair 2014 2014 Industry Analysis Medical Appliances and Equipment For this security analysis project I have chosen to research the medical equipment industry that specializes in artificial heart valves and related health products. This industry helps in the repair of cardiovascular diseases and critical care monitoring. There are two different types of artificial heart valves. There is the Tissue heart valve which is commonly given to older patients and it has a lifespan from 10 to 15 years. It is safer for older adults because it has less chance for post operation bleeding which could be fatal. The second type of heart valve is mechanical heart valve which has a lifespan of a patient’s lifetime. This type of valve has a higher risk of bleeding and requires for a patient to take blood thinner medication for the remainder of their life. Top Competitors When it comes to competitors there are three main groups that are leading the way in artificial heart valves and medical equipment. These companies are Edwards Lifesciences, Medtronic, and St. Jude Medical. You can examine the total revenues of the top three competitors on chart 1. Chart 1 Discussing the Competitors Medtronic Inc. Medtronic is the largest of the three competitors with revenues of over 17 billion last year. They are currently in the process of acquiring Covidien, which has been put on hold due...
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...Heart Valve Replacements: Requirements and Evolution Advanced Structural Aspects of Biomaterials Fall 2013 Sonia Travaglini 1 , Hao Ji 1 , Yangxin Chen 1 , Sofia Cafaggi 2 , Britta Berg-Johansen 2 C215 & 2 BioE C222 Advanced Structural Aspects of Biomaterials University of California, Berkeley 1 ME Table of Contents TABLE OF CONTENTS --------------------------------------------------------------------------------------------------------------- II 1. EXECUTIVE SUMMARY----------------------------------------------------------------------------------------------------------- 1 2. ANALYSIS OF STRUCTURAL FUNCTION & REQUIREMENTS OF THE DEVICE ------------------------------ 2 2.1 HEART VALVE DYNAMICS ------------------------------------------------------------------------------------------------------------- 2 2.2 HEART VALVE HEMODYNAMICS ------------------------------------------------------------------------------------------------------ 2 2.4 MATERIAL PROPERTY REQUIREMENTS ----------------------------------------------------------------------------------------------- 3 2.5 BI-LEAFLET HEART VALVES ----------------------------------------------------------------------------------------------------------- 3 3. DESIGN & MATERIAL EVOLUTION ------------------------------------------------------------------------------------------ 4 3.1 DEVICE DESIGN -------------------------------------------------------------------------------------------------------------------------- 4...
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...reports that he has had a headache off and on since he had a tooth extracted four days ago. This evening he is feeling very weak. His blood pressure is normal. When you listen to his heart you note that he has a pronounced murmur. He reports having had rheumatic fever 15 years ago. You examine his fingernails and find one that has tiny petechial hemorrhages under it. 1. Name the most likely causative agent of this man's signs and symptoms. 2. Name the most likely infection this man has. 3. What type of culture would a physician most likely order, and why? 4. What is the treatment? 5. What is rheumatic fever? What causes it. Can it be prevented? 1) Streptococcus viridans transmitted through the wound to the bloodstream as a result of the tooth extraction. 2) subacute bacterial endocarditis (endocarditis- inflammation of the endocardium) 3) a blood culture looking for alpha hemolysis because Streptococcus viridans is alpha hemolytic and this would detect the presence of the bacteria in the blood. 5) Rheumatic fever was the cause of the man's heart murmur because the endocardium (lining of heart muscle that covers heart valve) was damaged. A damaged heart valve makes a person more susceptible to bacterial endocarditis because the bacteria easily lodges onto the heart valve. http://jan.ucc.nau.edu/~fpm/bio205/sp-05/cardiovascsyst3=1-8.pdf http://en.wikipedia.org/wiki/Rheumatic_fever...
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...Riordan Manufacturing. In the past two weeks, each of you completed a series of self-assessments that identified your strengths, characteristics, and weaknesses. Those assessments, as I’m sure you all have probably figured out, were required in order to better assist each one of you individually to know yourself as a person and employee. We care about your future here at Riordan Manufacturing, and we want to provide you with the tools you need to become a team leader, manager, or even move yourself up all the way to corporate within our company. At Riordan Manufacturing, we are preparing for an exciting new segment of production to meet the needs of the expanding medical technology industry. The news that Cardiac Valve heart valves will be produced in our customs plastic-injection facility in Pontiac, Michigan was released a while ago. We look forward to developing a long-term relationship with the Cardiac brand. New teams will be formed to begin work on Cardiac production beginning next period. Many of our seasoned employees will be joining Cardiac production teams, and this production segment also marks a new phase of job creating and hiring. “We will maintain an innovative and team oriented working environment. By assuring that our employees are well informed and properly supported, we will provide a climate focused on the long term viability of our company,” (University of Phoenix Material, Virtual Organizations). Team building and training will...
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...Do Bioprosthetic Heart Valves Pose a Greater Risk than Mechanical Heart Valves in the Development of Infective Endocarditis? Prosthetic heart valves are, undoubtedly, one of the most profound innovations to be introduced into the medical community. In 1961 the Starr-Edwards ball and cage mitral valve became the first commercially available mechanical heart valve. In 1969, the Bjork-Shiley tilting disk valve emerged, which was then followed by the St. Jude Medical bi-leaflet valve in 1977. In addition to the creation of mechanical valves, bioprosthetic valves were also being developed; and in1968 the Hancock and Carpentier-Edwards porcine mitral valve became a popular alternative to the mechanical valve (Wheatley and Will, 2005, p.1). Over the...
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...Paper Summary – Week 6 Sutherland et al. (2005 Circulation) “From Stem Cells to Viable Autologous Semilunar Heart Valve.” Results of heart valve replacement surgery are complicated by the morbidity associated with lifelong anticoagulation of mechanical valves and the limited durability of bioprostheses. This problem may be addressed by providing living, autologous biological structures which do not require anticoagulation, yet retain the capacity to remodel and repair, obviating the need for late valve replacement. Mesenchymal stem cells (MSCs) were isolated from ovine bone marrow and characterized by their morphology and antigen expression through immunocytochemistry (using the avidinbiotin-peroxidase method with monoclonal anti-vimentin, anti-α-SMA, and anti-von Willebrand factor primary antibodies), flow cytometry, and capacity to differentiate into multiple cell lineages. Adipocytes were stained with oil-red O, and the mineral was stained with silver by the method of von Kossa. A biodegradable scaffold was developed and characterized by its tensile strength and stiffness as a function of time in cell-conditioned medium, and was evaluated by using needle punching. Autologous semilunar heart valves were created in vitro using MSCs and the biodegradable scaffold and were implanted into the pulmonary position of sheep on cardiopulmonary bypass, and were evaluated by echocardiography at implantation and after 4 months in vivo, explanted (at 4 and 8 months), and examined by...
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...The heart is the most complex organs in the human body and without it the body cannot survive. If the heart does not respond the way its suppose to, it can cause major health altercations or even death. As time has progress, technology has progress as well. Scientist have discovered many procedures to help the heart stay in rhythm. Some of the most famous and common procedures discovered are the pacemaker and heart valve replacement. These procedures have become easier over time and are the most reliable procedure to keep the heart alive. Scientist have also found solutions for arteriosus which is a defect that happens right after birth. Doctors are using pacemakers to send electrical impulses to keep the heart in rhythm, replacing or fixing...
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...Marfan syndrome can affect many parts of the body, including the skeleton, eyes and cardiovascular system (heart and blood vessels. The symptoms of Marfan syndrome tend to get more severe as you get older. Skeleton Includes: * tall * slim * have long, thin arms and legs * have loose and very flexible joint Other physical signs of Marfan syndrome can include: * a small lower jaw * a high, arched palate (roof of the mouth) * deep-set eyes * flat feet * a breastbone (sternum) that either protrudes outwards or indents inwards * crowded teeth Scoliosis Marfan syndrome can cause the spine to become abnormally curved to the sides. This is known as scoliosis. Curvature of the spine can cause long-term backache. In severe cases, it can also make breathing difficult or the spine may press against the heart and lungs. Spondylolisthesis Spondylolisthesis occurs when one vertebra (the small bones that make up your spine) slips forward over another vertebra. This usually occurs at the bottom end of the spine, and can cause back pain and stiffness. Anyone can develop spondylolisthesis, but it more commonly affects people with Marfan syndrome. Dural ectasia The dura is the membrane (thin layer of cells) that lines your brain and spinal cord. Dural ectasia is a condition that occurs when the dura becomes weakened and expands outwards. People with Marfan syndrome are at particular risk of developing dural ectasia. As the membrane expands it...
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...Cardiovascular System - Heart Attack From Case Studies for Understanding the Human Body S. Braude, D. Goran, and S. Maxfield Uncle Jake and Aunt Leah were playing golf last week. On the sixth hole, Jake told Leah that he was having unusual pain in his left arm and chest. All of a sudden he felt weak and complained that his shirt was much too tight. A dentist playing one hole behind them examined Jake and found he was short of breath, pale, and sweating. He called 911 on his cell phone and told Jake to lie down and wait for the ambulance. The paramedics rushed Jake to the hospital where he was evaluated by a cardiologist. The tests showed that he had four clogged arteries. He was scheduled for surgery the next day. 1. Describe how the heart as a muscle performs its job of pumping blood. The heart is constantly relaxing (filling up with blood) and contracting (pushing blood out) to pump blood through the four chambers of the heart and eventually to the rest of the body. First, the blood fills the right atrium from either the superior or inferior vena cava. Then, the blood passes through the tricuspid valve and to the right ventricle. The right ventricle then squeezes the blood into the pulmonary artery which splits into two vessels each going to the lungs. The oxygenated blood returns from the lungs and it goes through the pulmonary vein to the left atrium. From here, the blood passes through the bicuspid valve and into the left ventricle. Finally...
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...1. Introduction Transcatheter Aortic Valve Implant (TAVI) is a procedure which replaces the native aortic heart valve without open-heart surgery and without concomitant surgical removal of the failed native valve. It provides percutaneous orthotopic placement of a prosthetic tissue heart valve which is placed within the annulus of the stenotic valve by means of a catheter. TAVI is commonly used in the treatment of high-risk and inoperable patients with severe aortic stenosis. http://www.ncbi.nlm.nih.gov/pubmed/25489318 . Figure 1; a healthy valve verses a diseased valve – characterized by fusion of the commissures between the leaflets, with a small central orifice. Medtronic, CoreValve, Transcatheter Aortic Valve Replacement (TAVR) Platform,...
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...In high risk cases often requires surgery to repair or replace heart valves in patients with severely damaged valves. Most patients who have RHD have the condition called mitral stenosis. Mitral stenosis restricts the blood flow from the left atrium to the left ventricle. Generally, this means less blood that goes through, the more severe the problem becomes. The symptoms for this typically can occur 10-20 years after the first occurrence of rheumatic fever as a child.The most common surgery for RHD is balloon valvuloplasty. (also called percutaneous balloon valvuloplasty) This is caused by narrowing of the aortic valve, the condition referred to as aortic valve stenosis. This can be seen in figure 1. This surgical procedure is used to open...
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...Direct Costs: $1 000,000 / 400 surgeries performed = $2,500/surgery Transplants: 2,500 x 50= $125,000 Valve Replacements = 2,500 x 1,000 = $250,000 Bypass = 2,500 x 250 = $625,000 Indirect Costs: Medical Salaries: $5,000,000/10,000 hours = $500 per hour Transplants: 500 x 2,000 = $1,000,000 Valve Replacements: 500 x 3,000 = $1,500,000 Bypass: 500 x 5,000 = $2,500,000 1. Building Maintenance: $1,000,000/50,000 = $20 per square foot Transplants: 20 x 30,000 = $600,000 Valve Replacements: 20 x 10,000 = $200,000 Bypass: 20 x 10,000 = $200,000 2. Building Maintenance: $1,000,000/1000 = $1000 per job Transplants: 1000 x 600 = $600,000 Valve Replacements: 1000 x 210 = $210,000 Bypass: 1000 x 190 = $190,000 1. Laboratory Costs: $2,000,000/650 = $3076.92 per lab report Transplants: 3,076.92 x 200 = $615,384 Valve Replacements: 3,076.92 x 200 = $615,384 Bypass: 3,076.92 x 250 = $769,230 2. Laboratory Costs: $2,000,000/2000 = $1000 per lab hours Transplants: 1,000 x 1,000 = $1,000,000 Valve Replacements: 1,000 x 300 = $300,000 Bypass: 1,000 x 700 = $700,000 Admin: $1,000,000/3 = $333,333.33 each Alternative 1: Using both normal cost drivers Transplants: $125,000 + $1,000,000 + $600,000 + $615,384 + $333,333.33 = $2,673,717.95 / 50 = $53,474.36 Valve Replacements: $250 000 + $1,500,000 + $200,000 + $615,384 + $333,333.33 = $2,898,717.95 / 100 = $28,987.18 Bypass: $625 000 + $2,500,000 + $200,000 + $769,230 + $333,333.33 = $4,427,564.10...
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...A Hybrid Operating Suite at Community Medical Center Russell F Stahl, M.D., Carmen Sciandria, CCP, Cassandra Cuesta, BA The Evolution of Treatment of Cardiovascular Disease Surgery for coronary artery disease (CABG), valve repair and replacement, and the treatment of aortic disease, all have a remarkable history of success and evolution. Just as with computer technology, the trend in surgery has been to become smaller, faster and better. The treatment of cardiovascular disease (CVD) is moving towards less invasive and, in many cases, catheter based technologies. First interventional radiologists, then cardiologists, and now cardiac and vascular surgeons have embraced this trend. Clinicians are encouraged by outcomes that appear to be at least as good, albeit with trade-offs, and a high level of patient acceptance. Hybrid operating rooms - rooms combining operating room sterility and functionality with fixed angiography and echocardiographic imaging- are rapidly growing in prevalence and gaining increased interest from hospital administrators. These rooms are used by cardiac surgeons, vascular surgeons, interventional cardiologists, and neuro-interventionalists, and are suited for both open and closed procedures, as well as collaborative “hybrid” procedures. Given the dynamic nature of this room, these investments require thoughtful preparation operationally and logistically, especially when planning for physician and support staff that will work and cover call in this...
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...connective tissue of the heart. The primary purpose of connective tissue is to hold the body together and provide a framework for growth and development. In Marfan syndrome, the connective tissue is defective and does not act as it should. Because connective tissue is found throughout the body, Marfan syndrome can affect many body systems, including the skeleton, eyes, heart and blood vessels, nervous system, skin, and lungs. Marfan syndrome affects men, woman, and children, and has been found among people of all races and ethnic backgrounds. It is estimated that at least 1 in 5,000 people in the United States have this disorder. Marfan syndrome affects different people in different ways. Some people have only mild symptoms, while others are more severely affected. In most cases, the symptoms progress as the person ages. The body systems most often affected by Marfan syndrome include the skeleton, eyes, cardio vascular system, nervous system, skin, and lungs. We are mainly going to be focused on the cardio vascular system which includes that heart and blood vessles. Most people with Marfan syndrome have abnormalities associated with the heart and blood vessels. Because of faulty connective tissue, the wall of the aorta may be weakened and stretch, a process that is called aortic dilatation. Aortic dilatation increases the risk that the aorta will tear or rupture, causing serious heart problems or sometimes sudden death. Sometimes, defects in heart valves can also cause problems...
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