"Atrial fibrillation" Essays and Research Papers

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    Ablation Technologies. The company sells its product through direct sales and independent distributors St. Jude has four main business segments: Cardiac Rhythm Management (CRM) (59% of net sale) Cardiovascular (20%)‚ Neuromodulator (14%)‚ and Atrial Fibrillation (7%). St. Jude Medical Inc. is one of the three principal manufactures and suppliers in global Cardiac Rhythm Management market St. Jude Medical Inc. develops innovative product that reduce health care cost and improve

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    Chapter 38: Nursing Management: Vascular Disorders Test Bank MULTIPLE CHOICE 1. When discussing risk factor modification for a 63-year-old patient who has a 5-cm abdominal aortic aneurysm‚ the nurse will focus discharge teaching on which patient risk factor? a. Male gender b. Turner syndrome c. Abdominal trauma history d. Uncontrolled hypertension ANS: D All of the factors contribute to the patient’s risk‚ but only hypertension can potentially be modified to decrease the patient’s risk for further

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    "Explain the concept of homeostasis with reference to the control of heart rate‚ breathing rate‚ body temperature and blood glucose levels" P5 Homeostasis is where the body keeps a constant internal environment. This involves all the metabolic processes taking place In the body as well as the blood‚ tissue fluid and all the contents in the body ’s cells. There are a range of variables from heart rate to the blood glucose levels that the body will take into account. Negative feedback will occur

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    Steven Ofstedahl BI 243 Short report Cardiac Arrest The circulatory system along with the heart make are what make up the cardiovascular system. The heart works as a pump that pushes blood to tissues‚ organs and cells in your body. The blood can be pumped throughout the body through a series of arteries‚ veins and capillaries. Arteries and capillaries send blood from the heart to all areas of the body‚ while veins help bring that blood back to the heart. Arteries carries oxygenated blood away

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    Sample Physiology MCQs

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    Sample Physiology MCQs 1. Compound action potentials can be graded responses. True 2. The sciatic nerve contains axons of both afferent and efferent neurones. True 3. The absolute refractory period of an action potential is the period after an initial stimulus when it is impossible to evoke another action potential with a second stimulus. True 4. The refractory periods of individual axons are important as they dictate the maximal action potential firing rate of a neuron. True 5. Compound action

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    ___atrial depolarization___ b. QRS complex ___ventricular depolarization____ c. T wave __ventricular repolarization___ 7. In a normal ECG wave tracing‚ atrial repolarization is hidden by __QRS Complez__. 8. Note: Electrical events lead to mechanical events. For example‚ the P wave represents __atrial_ depolarization‚ which leads to atrial _contraction___. 9. A left bundle branch block would have a wider than normal wave for the __QRS complex_. (Quiz section) 10. An abnormally fast heart rate

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    we explain how the heart operates as a pump‚ beginning with the special features of heart muscle itself. Physiology of Cardiac Muscle The heart is composed of three major types of cardiac muscle: atrial muscle‚ ventricular muscle‚ and specialized excitatory and conductive muscle fibers. The atrial and ventricular types of muscle contract in much the same way as skeletal muscle‚ except that the duration of contraction is much longer. Conversely‚ the specialized excitatory and conductive fibers contract

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    According to the American Medical Association Family Medical Guide‚ about 8 out of every 1‚000 children are born with heart abnormalities‚ or congenital heart defects.( AMAFMG p. 389) The 4 most recurring defects are Pulmonary Stenosis‚ Aortic Stenosis‚ Atrial Septal Defect and Ventricular Septal Defect. ( Radiologic Technology 2008) The most common form of congenital defect is Ventricular Septal Defect or VSD. A VSD is an opening of the septum that separates the left and right side of the heart‚ or

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    CARDIO-VASCULAR: A) Inspection: 1. Scars : valve lesion‚ surgery - pacemaker box-under pec. muscle 2. Skeletal abnormalities : pectus escavatum(funnel chest) - Kyphoscoliosis - Marfan’s syndrome-move position of heart-move apex beat 3. Deformities: interfere pulmonary function – pulmonary hypertension 4. Apex beat : Normal position – 5th left intercostal space‚ 1cm medial midclavicular

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    are among the commonest arrhythmias that occurs in patient with or without heart disease.The peripheral pulse associated with such episodes is known as pulsus bigeminus. The most feared complication is its potential to develop into ventricular fibrillation and asystole. Hypokalemia and light plane of anaesthesia are some of the few correctable causes of

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