Przemysław Janiak

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The possibility that central mineralocorticoid binding sites are involved in the development of mineralocorticoid hypertension was examined using chronic blockade of these sites with a specific mineralocorticoid receptor antagonist RU 28318 administered by intracerebroventricular (icv) infusion. The antagonist significantly attenuated the development of(More)
Although central administration of arginine vasopressin (AVP) has been reported to increase arterial pressure mediated by activation of the sympathetic system, we found that peripheral blockade of sympathetic transmission did not attenuate this pressor response. To elucidate the mechanism, rats were pretreated with either phentolamine (3 mg/kg),(More)
Although the presence of mineralocorticoid binding sites have been demonstrated in brain, little is known about their physiological role. The purpose of this study was to evaluate possible interactions between a relatively short 2-day central infusion of aldosterone (5 ng/h) and a diverse group of centrally acting pressor agents. The intracerebroventricular(More)
BACKGROUND Effective diagnostic radiology system should be based on an efficient and suitable servicing of medical X-ray equipment. According to Polish requirements, all radiology departments are obligated to carry out quality control (QC) test of their X-ray set. In practice, testing is mostly performed by accredited external QC services, which have to(More)
Nausea und Erbrechen sind häufig. Sie können eine physiologische Antwort auf ein exogenes Toxin sein, aber auch Ausdruck einer organischen, psychischen oder funktionellen Erkrankung. Trotz der Fülle der Differenzialdiagnose gelingt es meist durch sorgfältige Anamnese und wenige Untersuchungen, den Auslöser zu finden. Die Ursachen akuter Beschwerden(More)
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