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The effects of atenolol (2-5 mmol/l), sotalol (1-2 mmol/l) and pamatolol (0.1-1 mmol/l), together with N-tertiary butyl phenoxypropanolamines with o-methyl (D-2T: 50-100 mumol/l) m-methyl (D-3T: 50-100 mumol/l) and p-methyl (D-4T: 100-200 mumol/l) group as well as with o,p-methyl groups (D-24T) (50-100 mumol/l) on action potentials (APs) were investigated(More)
The aim of the work is to optimise the image processing of a motion analyser. This is to improve accuracy, which is crucial for neurophysiological and rehabilitation applications. A new motion analyser, ELITE-S2, for installation on the International Space Station is described, with the focus on image processing. Important improvements are expected in the(More)
Aim of the present study was to assess the prevalence of atrial fibrillation (AF) in patients with two different types of cancer. Recent epidemiologic and clinical studies support the hypothesis that AF is promoted and maintained by a broad spectrum of modulating factors. A total of 2,339 patients admitted to the Surgery Department of "Luigi Sacco Hospital,(More)
We report here a family with leukodystrophy clinical features of which are characterized as adult onset, probably autosomal dominant inheritance, hyperreflexia, cerebellar ataxia, autonomic dysfunction and no peripheral nerve involvement. T2-weighted brain MRI revealed diffuse high signal areas in the cerebral white matter. The disorder in our subjects can(More)
We undertook a study to provide a quantitative basis to the clinical observation of an unexpected high frequency of atrial fibrillation in patients with colorectal cancer. In our study we considered a total of 1463 patients admitted during a period of 12 years (1987-1998) to the Department of Surgery of our Hospital for surgical treatment of colorectal(More)
Effects of the positive inotropic drug, Bay-K-8644, were studied on the slow action potential (AP) parameters and diastolic recovery of Vmax in K+ (22 mM)-depolarized rabbit papillary muscles. Bay-K-8644 (10(-6) M) increased the amplitude, maximum rate of rise (Vmax) and duration of the slow APs. Diastolic recovery of Vmax, examined by a paired-pulse(More)
The effects of the negative inotropic agent, diacetyl monoxime (DAM), were studied on cardiac action potentials in young (3 day old) and old (13-18 day old) embryonic chick hearts and in rabbit papillary muscles. DAM (5-10 mM) decreased the action potential (AP) amplitude, the maximum rate of rise (Vmax), and AP duration of slow and fast APs in both young(More)