Titlebook: Heart & Brain, Brain & Heart; Helge Refsum,Ilmar A. Sulg,Knut Rasmussen Conference proceedings 1989 Springer-Verlag Berlin Heidelberg 1989

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Spasm of Cerebral and Coronary Vessels: Effects of Calcium Antagonists that they produce a uniform vasodilation in all vascular beds [5, 27, 28]. It is generally considered that calcium antagonists are more potent in coronary and cerebral vessels than in peripheral vessels [27]. The reasons for such a preferential action have not been elucidated. A selective action on

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Cardiac and Cerebral Effects of Local Anesthetics anesthesia. The principal target organs for their toxic effects are the central nervous system (CNS) and the cardiovascular system. Local anesthetics may also influence cardiovascular function by inducing regional blockade of autonomic innervation. This may, for example, be seen during high spinal

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Neurotoxins as Tools in Studying Cardiac Excitation-Contraction Coupling. However, both cerebral and cardiac tissue share the fundamental properties of electrical excitability and of impulse conduction, which are the basis for signal transmission between and coordination of the individual cells in these two organs.

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Adenosine and ATP Interactions with Autonomic Neural Control of the Heartost five decades ago Drury and Szent-Gyorgyi [34] demonstrated that in addition to their wellestablished role in cellular metabolism, adenosine and related compounds exert pronounced effects on the mammalian heart. These include coronary vasodilation, negative chronotropic effects on cardiac pacemak

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Modulation of Cardiac Arrhythmias by the Autonomic Nervous Systemihilated) by properly timed short bursts of vagal discharges [1, 12–15, 18, 23, 26, 28–30, 33]. Phase-resetting and annihilation of automaticity and conduction also can occur following the delivery of brief hyperpolarizing or depolarizing current pulses [3, 7–11]. These observations suggest that car

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Blood Pressure Assessment in a Broad Chronobiologic Perspectivey daily (circadian) cycles. In human beings, prominent rhythms are found in blood pressure, circulatory pulse, body core, and surface temperature and in chemical variables of blood, urine, and tissues. The medical section of this new science explores the relationships of rhythms to prediction, preve