31 research outputs found
Aritmie cardiache: diagnosi e trattamento
No full textIl capitolo tratta della diagnosi e terapia, sia farmacologica che interventistica, delle principali aritmie cardiache. Il testo è ad uso dei Corsi di Laurea Magistrali in Medicina e Chirurgi
Effect of Pacemaker rate-adaptation on 24h beat-to- beat heart rate and blood pressure profiles
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Valutazione degli effetti del propofol sul sistema di eccito-conduzione cardiaca tramite studio elettrofisiologico trans-esofageo
No full textEffects of propofol on the human heart electrical system: a transesophageal pacing electrophysiologic study
No full textPrevious studies have shown that infusion of propofol has sometimes been associated with bradyarrhythmias. To evaluate the effects of propofol on the electrical system of the heart, we carried out an electrophysiologic study with transesophageal pacing on ten healthy subjects scheduled for minor elective maxillo-facial surgery. By means of atrial pacing conducted by a progressive increase in stimulation cycles, we determined, in awake patients and during propofol anesthesia (2.5 mg kg-1 for induction, followed by 100 micrograms kg-1 min-1 for maintenance), the correct sinus recovery time and the eventual appearance of Wenckebach atrio-ventricular block. We did not notice sinoatrial node depression or pathologic increase in the atrio-ventricular conduction
Heart rate and blood pressure variability in patients implanted with rate-responsive pacemaker.
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