The cardiac conduction system of the heart consists of specialized muscle cells that generate and send rhythmic electrical impulses to the myocardium in order for the heart to contract (Cardiac Conduction System‚ 2016). When there is the normal rhythm of the heart it is called sinus rhythm and any deviation from sinus rhythm is called an arrhythmia (Saladin‚ 2012). Electrocardiograms (ECG) record the electrical impulses and help determine when there are any abnormalities in the way the heart functions
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Methodist College N313 Pathopharmacology Exam IV Study Guide – Spring 2013 1. Understand how to properly administer these drugs (what should you educate your patient on?): a. Nasal corticosteroid i. Decrease inflammation ii. Vanceril- Inhaler. Decreases production of prostaglandins b. Antitussives iii. Depresses cough center. iv. Broncho-restricts v. Opiate or Non-opiate (DM) c. Theophylline (Theo-dur)
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Summary: AED Defibrillators: Having access to an AED is essential for resuscitating those who have suffered from SCA (sudden cardiac arrest). Because the incidences of SCA are increased during and after strenuous physical activity‚ every school should have AED(s) that can be accessed very quickly. Sudden Cardiac Arrest: Sudden cardiac arrest is the leading cause of death in young athletes. NATA convened an inter-association task force in Atlanta in 2006 to create guidelines on emergency management
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What is the heart? The heart is the organ that supplies blood and oxygen to all parts of the body. It is about the size of a clenched fist‚ weighs about 10.5 ounces and is shaped like a cone. The heart is located in the chest cavity just posterior to the breastbone‚ between the lungs and superior to the diaphragm. The heart is surrounded by a fluid filled sac called the pericardium. Blood is pumped away from the heart through arteries and returns to the heart through veins. The major artery of the
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2 Positive and negative effects of a particular scientific advance Cardiac MRI (Heart MRI) What Is a Heart MRI? A magnetic resonance imaging test (MRI) uses magnets and radio waves to capture images inside your body without making an surgical incision. An MRI allows your doctor to see the soft tissues in your body‚ along with your bones. An MRI can be performed on any part of your body. However‚ a heart or cardiac MRI looks specifically at your heart and the adjacent vessels. Unlike a CT
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States of America. Sudden cardiac death‚ or SCD‚ is the largest cause of natural death in the United Sates. SCD causes about three hundred twenty-five thousand adult deaths each year in the US. Half of all heart disease deaths are caused by sudden cardiac arrest. Occurring mainly in adults in their mid-thirties to mid-forties‚ SCD affects only one or two children each year. Sudden cardiac arrest is not a heart attack‚ or myocardial infarction‚ but it is possible to occur during a heart attack. A heart
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What was the blood eagle used for? The ‘blood eagle’ was a ritual the Vikings performed as a sacrifice to their god Odin; sometimes it was used as a form of torture. The victim would have their chest cut open and the ribs would be ripped open leaving the chest cavity exposed. The blood eagle was a cruel method of torture‚ slowly killing the victim and leaving their body to rot. There have been many accounts of the blood eagle being performed some people doubt or question the validity of these accounts
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sufficient background and information about cardiac pacemakers to allow interpretation of electrocardiograms (ECGs) and telemetry strips of normal pacemaker behavior. For more in-depth information‚ such as would be necessary for programming pacemakers‚ a standard pacing text should be consulted. Several of these are listed in the bibliography. Most italicized terms are defined in the glossary at the end of the chapter. Anatomy The pertinent anatomy for cardiac pacing includes the sinoatrial (SA) node
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is not perfect and problems may arise. However before its flaws can be mentioned and analysed. It would be prudent to understand how the heart functions in the first place before going in depth into the various problems that might arise within the cardiac cycle. Of which a large number are covered under the various Arrhythmias‚ which can be divided into two major groups‚ ventricular arrythythmias and supraventricular arrythythmias. I.e.‚ arrythythmias that occur in the ventricles and arrythythmias
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Cardiac arrest is confirmed by absence of signs of circulation‚ loss of consciousness; respiratory arrest (may be in 30 seconds after cardiac arrest) and enlargement of pupils (may be in 90 seconds after cardiac arrest). Jacobs et al.‚ (2004) The temporal sequence of cardiac arrest can be explained by a 3-phased time sensitive model. These phases include electrical (lasting 0 to 4 minutes from time of cardiac arrest)‚ circulatory (lasting 4 to 10 minutes from time of cardiac arrest)‚ and metabolic
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