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Free research papers and essays on topics related to: infarction

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  • Myocardial Infarction - 594 words
    Myocardial Infarction MYOCARDIAL INFARCTION When someone has a myocardial infarction (MI) people think a cold, right? "Well it's not, it's a heart attack!" It's the number one cause of death in the United States and kills about 330,000 Americans each year. People don't realize how big the effect of a heart attack is until they experience their own. By then it is to late! Here are some information explaining the causes, symptoms, and the solution of a heart attack that will help you, your family, and friends. Heart attacks are a coronary heart disease and a form of a cardiovascular disease. Myocardial infarction is caused by a clot formation or spasms in the arteries that supply the blood (a ...
    Related: infarction, myocardial, myocardial infarction, stop smoking, family member
  • Cardiac Pacemakers - 1,382 words
    Cardiac Pacemakers CARDIAC PACEMAKERS The heart is bestowed with a specialized system that automatically generates rhythmic control via the sinus node, located in the superior lateral wall of the right atrium near the opening of the superior vena cava. The specialized pacemaker cells dictate control of the rest of the heart through regular electrical impulses that propagate from the right atria to the lower ventricles. The rapid conduction of these impulses cause the muscle cells of the atria to contract and squeeze blood into the ventricles, which contract and force blood into the aorta and pulmonary arteries. Abnormalities of the heart rhythm, called arrhythmias, can disrupt this normal ca ...
    Related: cardiac, cardiac arrest, myocardial infarction, various types, device
  • Clinical Chemistry In Medicine - 1,423 words
    ... toglobulins, which bind hemoglobin. Iron transport is related to beta-globulins. The glycoprotein that binds the iron is transferrin (Lehninger, 1993). Gamma-globulins (immunoglobulins) are associated with antibody formation. There are five different classes of immunoglobulins. IgG is the major circulating antibody. It gives immune protection within the body and is small enough to cross the placenta, giving newborns temporary protection against infection. IgM also gives protection within the body but is too large to cross the placenta. IgA is normally found in mucous membranes, saliva, and milk. It provides external protection. IgD is thought to function during the development and matura ...
    Related: chemistry, clinical, medicine, seventh edition, diabetes mellitus
  • Dothiepin Vs Fluoxetine Mechanism Of Action And Pharmacodynamics - 1,290 words
    Dothiepin Vs. Fluoxetine (Mechanism Of Action And Pharmacodynamics) Comparison Between Mechanism of Action and Pharmacodynamics of Dothiepin and Fluoxetine Description of medicines Mechanism of action and pharmacodynamics Dothiepin Dothiepin is a tricyclic antidepressant. It acts by promoting the effectiveness of several amines (dopamine, norepinephrine, and 5-hydroxytryptamine, which is also known as 5HT and serotonin). It functions by inhibiting their reuptake at the terminals of nerve cells, thus leading to their prolonged presence at the synaptic cleft and an increased effect on the neuron.(1) The reuptake pumps for the above amines are responsible for reducing the concentration of these ...
    Related: mechanism, gastrointestinal tract, heart disease, new zealand, linear
  • Familial Hypercholeterolemia - 1,006 words
    Familial Hypercholeterolemia Familial Hypercholesterolemia Familial Hypercholesterolemia, a very dangerous and deadly genetic disease, has the potential to be passed via the parents DNA from one generation to the next. Although it is not common, people who suffer from this genetic flaw often times lead very short lives, as it increases their susceptibility to a wide range of other complications that can ultimately lead to death (Varret, 1999). Familial Hypercholesterolemia (FH) operates by not allowing cholesterol to move into the cells via the blood stream. This is due directly to the fact that protein receptors on the surface of the cell responsible for the uptake of cholesterol are either ...
    Related: familial, heart disease, blood pressure, heart attack, elasticity
  • Introduction - 2,200 words
    INTRODUCTION Cardiac Location and Structures The heart is the driving force of the circulatory system, contracting about 70 times/minute to pump an adequate volume of blood with sufficient pressure to perfuse all body organs and tissues. The muscular organ, about the size of a clenched fist, weights from 300 to 400 g. It is located within the mediastinum of the thoratic cavity, above the diaphragm and between the lungs. This location subjects the hearts activity to influence from all pressure variances during respiration, Fassler, (1991). Intrathoracic pressure varies with the respiratory cycle. On inspiration, the heart moves slightly vertically, and the increased negative pressure generate ...
    Related: carbon dioxide, heart disease, sympathetic nervous system, lining, conduction
  • Introduction - 2,230 words
    ... sured from the end of the S wave to the beginning o f the T wave. This important segment represents a period of time during which no electrical currents are flowing through the heart. Depolarization finishes with the end of the S wave and ventricular repolarization does not begin until the T wave. The ST segment is therefore isoelectric. This segment is clinically important because currents of injury associated with ischemia and infarction are reflected as elevations or depressions in the level of the ST segment, Murphy, (1991). QT Interval The QT interval is measured from the beginning of the QRS complex to the end of the T wave. This interval represents the entire time required for ven ...
    Related: american family, internal medicine, chest pain, illinois, cardiac
  • Leukocytes - 1,231 words
    Leukocytes Leukocytes and the leukocyte differential count To consider the leukocytes together as a group is something of a granfalloon, because each type of leukocyte has its own function and ontogeny semi-independent of the others. To measure the total leukocyte count and allow this term to mean anything to the doctor is a travesty, yet the wbc count has traditionally been considered a cardinal measurement in a routine laboratory workup for just about any condition. I cannot emphasize too much that to evaluate critically the hematologic status of a patient, one must consider the individual absolute counts of each of the leukocyte types rather than the total wbc count. For such a critical e ...
    Related: life span, cigarette smoking, stem cells, marrow, evaluation
  • Nursing Care Plan - 3,897 words
    ... dies: BUN, creatinine; blood studies: ALT, AST, bilirubin, Hct, Hgb before initiating treatment and periodically thereafter • I&O ratio, daily weights; monitor turgor, lung sounds, edema • Monitor drug levels (therapeutic level 0.5-2 ng/ml) • Cardiac status: apical pulse, character, rate, rhythm Administer: • PO with or without food; may crush tabs • K supplements if ordered for K levels *3, or foods high in K: bananas, orange juice • IV undiluted or 1 ml of drug/4 ml sterile H2O, D5, or NS; give over *5 min through Y-tube or 3-way stopcock; during digitalization close monitoring is necessary Perform/provide: • Storage protected from light Evalua ...
    Related: care plan, nursing, nursing care, bacterial cell, pulmonary edema
  • The Effects Of Steroids On Muscle Training - 1,448 words
    The Effects Of Steroids On Muscle Training What are steroids? Steroids are synthetic chemicals that mimic the hormones produced by the body. Hormones control bodily functions and are separated into various classifications such as adrenal, cortical, cardiac, bile salts, vitamins, and sex hormones. Anabolic steroids that build muscle tissue are classified as sex hormones and they stimulate the action of the male sex hormone testosterone. When testosterone is released at the appropriate time it has the natural effects of creating body size, bone size, body hair, sex organ maturation, and muscle tissue development. They often have many different trade names or brand names. Commonly used anabolic ...
    Related: anabolic steroids, muscle, steroid abuse, steroid use, steroids
  • The Heart And Its Diseases - 997 words
    ... rican Medical Association. The first disease that is fairly common is the congenital heart disease. One person in every 140 is born with a congenital heart defect (Clayman 88). This term congenital means, "present from birth." This disease of the heart forms during the fetal stage. They are considered to be anatomical abnormalities of the heart during the stage in which the heart is developing. There are two divisions of this disease. There is the type in which too much blood passes from the heart to the lungs, and not enough to the body. The other is not enough blood passes to the lungs, causing the blood that is pumped to the body to contain extremely low amounts of oxygen. The heart i ...
    Related: coronary heart disease, heart attack, heart disease, heart failure, high blood pressure
  • The Road To Beauty Is A Long And Thin One - 1,514 words
    ... lectrolyte Imbalances, electrolytes are essential to the production of the body's natural electicity that ensures healthy teeth, joints and bones, nerve and muscle impulses, kidneys and heart, blood sugar levels and the delivery of oxygen to the cells. Lanugo (soft downy hair on face, back and arms). This is caused due to a protective mechanism built in to the body to help keep a person warm during periods of starvation and malnutrition, and the hormonal imbalances that result. Edema is the swelling of the soft tissues as a result of excess water accumulation. It is most common in the legs and feet of compulsive overeaters and in the abdominal area of anorexics and Bulimics it can also b ...
    Related: thin, more important, eating disorders, skin deep, bone
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