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Last Updated: February 13th, 2012
In the past, sleep was thought to be a state where we essentially hit the "pause" button until we wake up again and hit "play". Over the last 50+ years, we have come to understand sleep as a critical state where our body takes on a different physical state and our mind enters into different states
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People are always saying should I be on a high protein low saturated fat diet or a high carbohydrate diet? What is the best diet? There is unequivocal proof, based on studying over 1.5 million people for an 18 to 20 year period that clearly shows that eating like citizens of the Mediterranean countries (places like Italy, Spain,
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AV nodal reentrant tachycardia, or AVNRT, is the most common cause of sustained, rapid heartbeats in adults. 80% of adults have a single pathway, or entrance, into the AV node. 20% of adults have two (or more) entrances into the AV node. Following a premature beat (either a PAC or PVC), an electrical
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Pacemakers prevent the heart from beating too slowly, or they assist the heart in transmitting electrical signals from the upper chambers (atria) to the lower chambers (ventricles). If the cardiac emergency is due to a slow heart beat or ineffective transmission of signals from the atria to the ventricles, pacemakers
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There are potentially serious risks related to a.fib ablations, though overall the risks are very low.
At most centers, there is a 1-2% risk of a bleeding complication in the groin where the catheters are inserted. There is roughly a 0.1-0.2% of a severe enough bleeding problem that a vascular surgeon
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Atrial fibrillation is an abnormal heart rhythm where the upper chambers of the heart—the atria—are short-circuited. Rather than normal "sinus rhythm" where a single electrical signal controls the heartbeat, in atrial fibrillation there are random and chaotic electrical signals racing around the atria that tend to cause the
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Over 90% of cardiac arrests are due to ventricular fibrillation: a chaotic rhythm in the lower chambers of the heart that causes the heart to contract in an ineffective and discoordinated manner. An additional 8% of cardiac arrests are due to ventricular tachycardia; a fast, regular rhythm in the
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There are many different types of cardiac arrhythmias ranging from the completely benign to the immediately life threatening. Arrhythmia simply means "abnormal heart rhythm."
Sinus arrhythmia is a common, completely benign rhythm disturbance where breathing in and out alters the heart rate—typically
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Arrhythmia—which simply means an abnormality of the heart rhythm—may range from the completely benign to the immediately life-threatening. Likewise, the treatment of arrhythmias may involve doing nothing, treating with medications, treating with catheter ablation or Cardioversion, or treating with implantable
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Atrial flutter comes in two flavors: typical and atypical. Typical flutter accounts for the vast majority of atrial flutters observed in patients who have not had a prior ablation in the left atrium, prior cardiac surgery, or certain types of congenital heart disease. The cure rate for ablation of typical
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There are two types of IUD. The first is a plastic version that releases hormones (known as Mirena) and lasts about five years, while the second variety is a copper model that lasts for about 10 years. The copper containing IUD actually increases menstruation, while the hormone containing plastic reduces
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