Výsledky vyhledávání - "R. F. Guaragna"

Acute Conversion of Recent-Onset Atrial Fibrillation and Flutter: Class IC or Class III Drugs?

Autor: C. H. Chen, R. F. Guaragna, D. Bracchetti

Publikováno v: Cardiac Arrhythmias 1999-Vol.1 ISBN: 9788847000711

How long atrial fibrillation should go on, in order to be considered of recent onset (less than 24 h? 7 days? more?), is a moot point that raises confusion when it comes to evaluating the efficacy of an antiarrhythmic regimen. In any case, the longer

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::09634404176c3afd20b23fb1940331d9
https://doi.org/10.1007/978-88-470-2139-6_8

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[Hemodynamic aspects of torsade de pointes: echocardiographic study of a case]

Autor: R F, Guaragna, P, Sangiorgio, D, Brunelli, D, Bracchetti

Publikováno v: Giornale italiano di cardiologia. 13(11)

In a patient with complete heart block complicated by "Torsade de point" (T.D.P.) we were able to record an M-mode echocardiogram during an attack of this peculiar ventricular tachyarrhythmia. The aortic valve opening was inconstant, incomplete and u

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::8a00ecfaad5037ecfa84e4b29dd7fa1a
https://pubmed.ncbi.nlm.nih.gov/6667823

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[Electrophysiologic demonstration of dual atrioventricular nodal pathways and final common pathway in a case of A-V nodal paroxysmal tachycardia. Considerations on the functional complexity of the A-V node (author's transl)]

Autor: R F, Guaragna, G, Lentini, G, Lombardi, P, Piazzolla, D, Bracchetti

Publikováno v: Giornale italiano di cardiologia. 11(4)

The AA. studied the A-V nodal conduction using the technique of induced PAB in a patient with A-V reentrant paroxysmal tachycardia. They observed that the conduction through the A-V node failed when coupling intervals A1-A2 were between 280 and 260 m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::8336826c7b4b9c71255a6dc5c3374d3b
https://pubmed.ncbi.nlm.nih.gov/7286522

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[Ventricular fibrillation induced by transesophageal stimulation performed for the treatment of atrial flutter]

Autor: R F, Guaragna, G, Barbato, D, Bracchetti

Publikováno v: Giornale italiano di cardiologia. 18(2)

The authors describe a case of ventricular fibrillation occasionally induced by high rate transesophageal pacing, performed to treat an atrial flutter. They conclude that, although this technique is generally safe and well tolerated, it must be perfo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::e7be00aaafad8bb2aca0d8812cd0d028
https://pubmed.ncbi.nlm.nih.gov/3410205

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[Multiform ventricular tachycardias and Torsades de Pointe]

Autor: R F, Guaragna, F, Naccarella, M, Palmieri, P, Alboni

Publikováno v: Giornale italiano di cardiologia. 13(4)

The term Torsade de Pointe (T.d.P.) was first introduced by Dessertenne (1966) to designate an unusual ventricular tachyarrhythmia characterized by paroxysms of V.T. at rates typically greater than 200 beats/m, in which the QRS morphology shows alter

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::020418e864d86f168a100f23f4654952
https://pubmed.ncbi.nlm.nih.gov/6884670

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[Plasma levels of anti-arrhythmic drugs and clinical effectiveness in the treatment of ventricular arrhythmias]

Autor: D, Bracchetti, F, Naccarella, R F, Guaragna, M, Palmieri, A, Bartoletti, G, Barbato, P L, Malini, B, Marchesini, E, Ambrosioni

Publikováno v: Giornale italiano di cardiologia. 16(8)

In spite of the ratio between plasmatic concentration and antiarrhythmic effects of a drug many factors can be influenced by many factors, the plasma level monitoring plays an important clinical role. The efficacy of the antiarrhythmic therapy should

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::af33ba2d43cdc14ea137a23aa82e7751
https://pubmed.ncbi.nlm.nih.gov/3539687

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[Paroxysmal tachycardia with long QRS (left branch block type) in a female patient with accessory nodo-ventricular pathway. Role of the anomalous pathway in the electrogenesis of the arrhythmia]

Autor: R F, Guaragna, M, Palmieri, M, Fulvi, D, Bracchetti

Publikováno v: Giornale italiano di cardiologia. 19(5)

The authors report a case of paroxysmal tachycardia with widened QRS (left bundle branch block morphology), where the electrophysiologic investigation shows an accessory nodo-ventricular pathway and suggests its involvement, as descendent (anterograd

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::220b46c8984264818c432064bcf5f5b1
https://pubmed.ncbi.nlm.nih.gov/2767377

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[Drug treatment of a trial fibrillation in patients with Wolff-Parkinson-White syndrome]

Autor: R F, Guaragna, A, Capucci, P, Sangiorgio, D, Bracchetti

Publikováno v: Giornale italiano di cardiologia. 12(4)

In 10 patients with ventricular preexcitation (Kent bundle), in whom atrial fibrillation (A.F.) was present, the effect of some common antiarrhythmic drugs on the conduction through the anomalous pathway, and on the ventricular rate was estimated. Pr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::fd2bc995ab255bc1f709d83a127711ad
https://pubmed.ncbi.nlm.nih.gov/6130024

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