نتایج جستجو برای: potassium level
تعداد نتایج: 1151389 فیلتر نتایج به سال:
PURPOSE We investigated whether group-level bias of a 24-h recall estimate of protein and potassium intake, as compared to biomarkers, varied across European centers and whether this was influenced by characteristics of individuals or centers. METHODS The combined data from EFCOVAL and EPIC studies included 14 centers from 9 countries (n = 1,841). Dietary data were collected using a computeri...
) It is possible that in this case, TC had developed before QTc prolongation and attack of PVT because (i) QTc gradually shortened and attacks of PVT disappeared regardless of serum potassium level after admission, and (ii) the patient had gastrointestinal symptoms and was diagnosed with dehydration in a previous hospital 5 days before admission to our hospital, which was the most probable phys...
Potassium channels contribute to the excitability of neurons and signaling in the nervous system. They arise from multiple gene families including one for voltage-gated potassium channels and one for inwardly rectifying potassium channels. Features of potassium permeation, channel gating and regulation, and subunit interaction have been analyzed. Potassium channels of similar design have been f...
Developmentally regulated delayed rectifier potassium currents determine the waveform of the action potential in all Xenopus embryonic primary spinal neurons. To examine this developmental program at the molecular level, we have isolated Xenopus Kv2 potassium channel genes Kv2.1 and Kv2.2. Both genes induce functional heterologous expression of delayed rectifier potassium currents. Transcripts ...
In 54 patients presenting for electroconvulsive therapy, the concentration of serum potassium was measured before and after the induced convulsion modified with a standard anaesthetic technique of methohexitone and suxamethonium. It was found that there was a statistically significant rise in serum potassium, but that the duration of convulsion had no significant effect on that rise in serum po...
T HAS BEEN SHOWN that cardiac glycosides inhibit the re-entry of potassium from the plasma into cold-stored erythrocytes and that the normal influx of potassium into the cells from the plasma of fresh blood incubated at 37#{176} can be almost abolished by the presence of cardiac glycosides (1). The normal efflux of potassium from the cells under these conditions is not inhibited and the cells s...
The somata of molluscan neurones respond with long trains of spikes to steady injected outward current. During such repetitive firing the maximum rate of rise of action potentials usually decreases as a result of inactivation of the transport mechanism for inward current. Significant inactivation of this transport system does not often change the peak level of the action potential (Magura, 1967...
The trauma patient is exposed to physiologic processes and life-saving interventions that predispose to hyperkalemia. Severe elevations in potassium levels subject this compromised patient to additional cardiac risks in the periresuscitative period. Recent advances in the care of the massively traumatized patient may or may not increase the risk for hyperkalemia. This prospective, observational...
Pseudohyperkalemia can appear in a variety of settings and should be recognized early. Treatment of pseudohyperkalemia can lead to an inappropriate decrease of actual serum potassium levels which may lead to life threatening conditions. In the case presented, an 81-year-old male presented with massive leucocytosis and an extremely elevated potassium level. This case report emphasizes the import...
the aim of this study was to evaluate the physiological and morphological characteristics of narcissus tazatta in response to benzyl adenine (ba) and nano-potassium fertilizer. this experiment was done as factorial with two factors of benzyl adenine hormone and nano-potassium fertilizer in a completely randomized design with ten replications. benzyl adenine in four levels (0, 500, 750 and1000 ...
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