"Superior mesenteric vein to the left renal artery via the hepatic portal vein heart and lungs" Essays and Research Papers

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    Coronary Artery Disease

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    Pd. 6 Coronary Artery Disease Coronary heart disease (CHD)‚ also called coronary artery disease‚ is a condition in which plaque builds up inside the coronary arteries. These arteries supply oxygen-rich blood to your heart muscle. This plaque is made up of fat‚ cholesterol‚ calcium‚ and other substances found in the blood. When plaque builds up in the arteries‚ the condition is called atherosclerosis‚ the buildup of plaque occurs over many years. Over time‚ the plaque hardens which causes your coronary

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    Coronary artery disease (CAD) is a progressive disease that causes narrowing or occlusion of the coronary arteries‚ causing a decreased blood supply to the myocardial layer of the heart‚ and prevents the arteries from dilating. As a result the tissue is deprived of oxygen necessary to thrive‚ which in turn can lead to myocardial ischemia‚ leading to several types of infarctions. Depending on the area of the ischemia‚ there can be several complications. For example‚ a ST segment elevation myocardial

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    Coronary Artery Disease

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    National HeartLung‚ and Blood Institute states that “more than a million persons in the U.S. have a heart attack and about half (515‚000) of them die in each year. About one-half of those who die do so within 1 hour of the start of symptoms and before reaching the hospital”. A heart attack happens to a person when the blood flow and oxygen supply to heart muscle is blocked‚ and it is mostly caused by the Coronary Artery Disease (CAD). CAD occurs when the arteries that supply blood to the heart muscle

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    Heart Failure

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    right Before a heart Attack Your Body Will Give You These 4 Signs w3.newsmax.com Heart Failure  Definition Heart failure is a condition in which the heart has lost the ability to pump enough blood to the body’s tissues. With too little blood being delivered‚ the organs and other tissues do not receive enough oxygen and nutrients to function properly. Description According to the American Heart Association‚ about 4.9 million Americans are living with congestive heart failure. Of these‚ 2.5 million

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    Heart Dissection

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    Joselyn Bodnar Heart lab dissection 3/2/15 The Human heart has many complicated processes. Dissecting a sheep’s heart can help to provide an active‚ firsthand learning experience that allows to illustrate what has been previously heard and read. The sheep heart and a human heart share the same function and purpose‚ which is to keep the body alive by continually circulating blood around the body. Like a human heart‚ a sheep’s heart contains two atria and two ventricles. These four chambers

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    Web Portals

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    Web Portals Submitted by: Louies Marc Agojo Kathleen Richelle Lubi BSIT 4-2 Web Portals * A Web portal or Public portal refers to a website or service that offers a broad array of resources and services‚ such as e-mail‚ forums‚ search engines‚ and online shopping malls. The first Web portals were online services‚ such as AOL‚ that provided access to the Web‚ but by now most of the traditional search engines have transformed themselves into Web portals to attract and keep a larger audience

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    USMLE heart

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    Heart 1. Blockage of which of the following arteries would lead to ischemia of the apex of the heart? a. Anterior interventricular (descending) b. Left circumflex c. Posterior interventricular (descending) d. Right marginal e. Right coronary 2. If the ductus arteriosus does not spontaneously close off soon after birth (to become the ligamentum arteriosum)‚ it may have to be surgically ligated. When clamping or ligating it‚ what important structure immediately behind it must be identified

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    Heart and Right Atrium

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    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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    Blood loss is particularly rapid and when large veins are opened‚ example. common femoral or jugular.  Venous bleeding can be under increased pressure as in asphyxia‚ or from ruptured varicose veins. Portal vein pressures are high enough to cause rapid blood loss‚ especially in portal hypertension with oesophageal  varies. Pulmonary artery haemorrhage is dark red (venous blood) at around 30 mmHg (4 kPa)‚ while bleeding from the pulmonary veins is bright red (oxygenated).  Capillary haemorrhage

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    Lung Syndrome

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    at the time‚they demonstrated that surfactant was lacking in the lungs of premature babies which is needed to help fill the lungs with air .without it the alveoli will fail leading to a risk of inflammation of the lungs usually with complicators leaving gas build up in the space surrounding the lungs(pneumothorax)‚the space between the lungs (pneumomediastinum) and the area between the heart and the thin sac that surrounds the heart. It wasn’t till the 1960s and 1970s that neonatal

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