The heart is a hollow muscular organ that pumps blood throughout the blood vessels to various parts of the body by repeated‚ rhythmic contractions. It is found in all animals with a circulatory system‚ which includes the vertebrates. The adjective cardiac means "related to the heart" and comes from the Greek καρδιά‚ kardia‚ for "heart". Cardiology is the medical speciality that deals with cardiac diseases and abnormalities. The vertebrate heart is principally composed of cardiac muscle and connective
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cells that form the bulk of the heart 3. Layer that contracts 4. Fibrous skeleton of the heart: crisscrossing‚ interlacing layer of connective tissue 1. Anchors cardiac muscle fibers 2. Supports great vessels and valves 1. Without support they might eventually become stretched because of the continuous stress of blood pulsing through them 3. Limits spread of action potentials to specific paths 3. Endocardium (“inside the heart”) is continuous
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What is greenway? Greenway is health at the heart of Greenway Health’s work. This organization helps connect providers to the right information and insights. At the right place and time‚ to help manage and make patient care a reality while using the ever changing healthcare system. Greenway is focused on exceptional service‚ delivered by a broad team of clinical‚ financial and technology experts that are dedicated to keep people healthier and happier. Greenway goal is to Comprise 10% of the ambulatory
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include all anatomical landmarks‚ including the major vessels and valves the blood passes through on this journey. The process of the blood entering the heart to the superior‚ inferior venae cavae from the right atrium blood then goes through the tricuspid valve and into the right ventricle. While the right ventricle contracts the muscle‚ it force pushes blood through the pulmonary semilunar valve then goes into the pulmonary semilunar valve and into the pulmonary artery. The blood then travel to
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Chapter 29‚ pp. 1091-1141; Chapter 30‚ pp. 1142-1208; Chapter 31‚ pp. 1209-1241; Chapter 32‚ pp. 1242-1265; Chapter 33‚ pp. 1266-1309; Chapter 34‚ pp. 1310-1343 Chapter 26: Altetations of Erythrocyte Function‚ pp. 989 1. Anemia‚ pp. 989. Anemia is a areduction in the total number of erythrocytes in the circulating blood or a decrease in the quality or quantity of hemoglobin. Anemias commonly result from (1) impaired erythrocyte production‚ (2) blood loss (acute or chronic)‚ (3)increase erythrocyte
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removed then you would deprive the tissues of what they need and that would lead to them make unusual changes that would lead to to your death. The structure of the heart is made up of the atria‚ ventricles‚ bicuspid & tricuspid valve‚ chodae tendineae‚ aortic & pulmonary valve‚ aorta‚ superior & inferior vena cave and the pulmonary vein and artery. all of these serve their own purpose and help the heart function properly. Blood Vessels- Blood vessels are channels where blood gets dished out to the
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Ms. Boehmer has systolic heart failure. She has reported symptoms of dyspnea with exertions‚ orthopnea (evidenced by “sleeps on two pillows” at night)‚ fatigue (evidenced by “she often feels tired”) and edema (evidenced by “reports that ankles are often swollen in the evening”) alterations in urination (evidenced by “nocturia X 2 and reports she sometimes has a strong urge to void and does not always make it to the toilet in time”). Physical examinations demonstrate S3 gallop. Cardiomegaly is present
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heart failure (any history) 1 Hypertension (prior history) 1 Age ≥75 years 2 Diabetes mellitus 1 Stroke/transient transient ischemic attack/thromboembolism history 2 Vascular disease (e.g.‚ myocardial infarction‚ peripheral vascular disease or aortic plaque) 1 Age 65-74 years 1 Sex (female gender) 1 CHA2DS2-VASc of the patient in the question stem would be 1 (for congestive heart failure) + 1 (for hypertension) + 2 (for age >75 years)‚ i.e.‚ he has a total score of 4. Interpretation of CHA2DS2-VASc
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The arterial switch was conducted as per our previously published technique (4) under moderate hypothermia and blood cardioplegia given through the aortic root or through the coronary ostia. Except for 3 patients where the VSD was closed through a right ventriculotomy‚ all the other TBA patients underwent VSD closure through the right atrium. In the TGA VSD group‚ once again‚ the right atrial approach was most commonly employed.8 patients‚ with subaortic location of VSD underwent closure working
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Should doctors be able to refuse demands for "futile" treatment? "Futile" treatment is when there is no medical benefit from the treatment they are receiving‚ and that there will be no improvement if they are in a permanent vegetative state. Although the concept of medical futility dates back in the Ancient Greek days with physician Hippocrates‚ it has only recently (in the past 40 years) become a controversial topic. The issue of medical futility is important because it deals with many issues such
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