paroxysmal supraventricular tachycardia, psvt…

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psvt, supraventricular tachycardia, paroxysmal supraventricular tachycardia, psvt, rapid heart rate, occurs from time to time, paroxysmal, psvt starts, events taking place, above the ventricles, chambers, the heart, atria, ventricles, contract, coordinated manner, contractions, an electrical signal that begins, in the sinoatrial node, the sinus node, sa node, signal is conducted, the atria, upper heart chambers, stimulates the atria to contract, electrical signal then passes, the atrioventricular node, av node, travels, the ventricles, larger, lower chambers, stimulating them to contract, paroxysmal supraventricular tachycardia, psvt, initiated, in the sa node, atria, atrial conduction pathways, av node, occurs most often in young people, infants, risks include, excessive smoking, caffeine, alcohol use, psvt, digitalis toxicity, a form of a re-entry tachycardia, an electrical current is caught, reentrant loop, excessively stimulating the heart, in the case of wolff-parkinson-white syndrome, palpitations, a sensation of feeling the heart beat, rapid pulse, anxiety, feeling of impending doom, shortness of breath, chest tightness, additional symptoms that associated, fainting, dizziness, stop suddenly, several hours, a psvt lasting more than 50%, the day, considered an incessant psvt, an examination, a psvt epsiode detects a regular, rapid heart rate, heart rate 150 to 250 beats per minute, bpm, in children the heart rate tends to be very high, signs of poor perfusion, blood circulation, light-headedness, between episodes of psvt, heart rate is normal, 60 to 100 bpm, an ecg, symptoms shows psvt, the sporadic nature, the psvt, its diagnosis, require continuous ambulatory monitoring, most common, 24-hour holter monitoring, longer recording periods, a "loop recorder", computer memory, an electrophysiology study, eps, an accurate diagnosis, to recommend the best treatment, psvt, few, no symptoms, require treatment, symptoms occur, underlying cardiac disorders, treatment necessary, people having an episode of psvt, try to interrupt the episode, a valsalva maneuver, consists of holding the breath, straining, pushing, the abdomen, to provoke a bowel movement, coughing sitting, the upper body bent forward, splashing ice water on the face has been reported by some people, persons having an episode of psvt offered therapy to interrupt the arrhythmia, convert it to a normal sinus rhythm, a health care provider, massage the carotid arteries, in the neck in an attempt to interrupt the arrhythmia, caution, cause severe slowing, the heart rate, electrical cardioversion, shock, successful in conversion of psvt to a normal sinus rhythm in many cases, another way to rapidly convert a psvt, administer intravenous medications, adenosine, verapamil, medications used, esmolol, procainamide, beta-blockers, propafenone, aside from treating isolated episodes of psvt, patients, require a long-term, definitive treatment, the pvst which is directed toward the prevention, complete eradication of further episodes, arrhythmia, such long-term treatment includes, daily medications, propafenone, flecainide, moricizine, sotalol, amiodarone, radiofrequency catheter ablation, a curative procedure introduced, in the 1990's which is currently the treatment of choice, most psvt's, surgical modification, the electrical conduction pathway, pathways, in the heart that conduct the impulse to contract, heart surgery, reasons is also indicated, pacemakers, very occasionally used in children, psvt which hasn't responded to any other treatment, pacemaker is designed to interrupt, override, tachycardia, psvt, not life-threatening, cardiac disorders, increased risk of heart failure, sensation of, excessive palpitations, not end spontaneously, history of psvt, an episode, does not resolve, valsalva maneuver, symptoms accompany the rapid heart rate, symptoms recur frequently, new symptoms develop, excessive smoking, caffeine, alcohol use, medications, treat the disorder given, preventive, prophylactic, treatment in people at a high risk, had previous episodes of psvt.