Skip to main page content home • subscriptions • archives • feedback • authors • help • circulation journals home • aha journals home search: go advanced search user name password sign in articles electrical stimulation of the heart in patients with wolff-parkinson-white syndrome, type a hein j. cual es mejor viagra viagra o viagra J. generic viagra Wellens , m. cheap viagra D. ; reinier m. Schuilenberg , m. Maca root natural viagra D. http://classicmotocrossimages.com/mbs-order-cheap-viagra-online-jt/ ; dirk durrer , m. viagra viagra generika D. From the university department of cardiology and clinical physiology, wilhelmina gasthius, 1e helmersstraat 104, amsterdam, the netherlands. Abstract the initiation and termination of tachycardias were studied in five patients with wolff-parkinson-white syndrome, type a. In all patients, electrical stimulation was performed from the right side of the heart. buy generic viagra In three patients the effect of induced left-sided premature beats was studied as well. cual es mejor viagra viagra o viagra In contrast to patients with wolff-parkinson-white syndrome, type b, there was difficulty in initiation and termination of tachycardias with premature beats applied to the right atrium or ventricle. nationalityinworldhistory.net/bsh-viagra-cheap-online-cs/ This could easily be accomplished with left-sided premature stimuli. cual es mejor viagra viagra o viagra In two patients the simultaneous recording of right and left atrial activation during a tachycardia, showing atrioventricular conduction by way of the a-v nodal-his pathway and ventriculoatrial conduction via the anomalous connection, revealed that left atrial activation occurred far in advance of right atrial activation. generic viagra online During regular driving of the right and the left atrium at identical rates the most pronounced pre-excitation pattern was seen after left atrial stimulation. buy viagra Our results are in agreement with a circus movement or reciprocal mechanism by way of the a-v nodal-his pathway and the anomalous a-v connection as a causal mechanism for tachycardias in wolff-parkinson-white syndrome, type a. viagra for women canada In contrast to the usual finding of atrioventricular conduction during the tachycardia via the a-v nodal—his pathway and ventriculoatrial conduction by way of the anomalous connection, one patient showed tachyeardias running in the opposite direction. get insurance pay viagra A location of the anomalous pathway on the left side of the heart is supported by our findings. Effect viagra refractory period Key words: pre-excitation accessory bundle tachycardia re-entry premature beat ventricular echo delayed capture circus movement received july 16, 1970. do viagra and alcohol mix Accepted september 21, 1970. Lilly viagra professional â© 1971 american heart association, inc. cheap viagra online Citeulike connotea delicious d. viagra without a doctor prescription cheap generic viagra Products

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