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1. 心臓自動能の増強enhanced cardiac automaticity [show details]
… Enhanced cardiac automaticity refers to the accelerated generation of an action potential by either normal pacemaker tissue (enhanced normal automaticity) or by abnormal tissue within the myocardium (abnormal …
2. ジゴキシン中毒による不整脈cardiac arrhythmias due to digoxin toxicity [show details]
…heart failure due to systolic dysfunction, and in certain supraventricular tachyarrhythmias : The ability to enhance cardiac contractility and modulate neurohumoral activation can lead to symptomatic improvement…
3. 手術時の人工心肺離脱後に生じる合併症intraoperative problems after cardiopulmonary bypass [show details]
…support oxygenation, ventilation, circulation, heating, and cooling, but unlike CPB, ECMO lacks the ability to administer fluids directly via the circuit. Typically, ECMO is easier to establish than mechanical … induced spasm of the internal mammary artery graft . Hypokalemia may contribute to increased cardiac automaticity, leading to development of atrial or ventricular arrhythmias. Causes of hypokalemia during…
4. 脳深部刺激装置の留置を行う患者への麻酔anesthesia for patients who undergo deep brain stimulator implantation [show details]
…standard stereotactic frame-based procedures, patients should be assessed for their willingness and ability to tolerate a potentially lengthy procedure awake, and should fully understand what will happen on …
5. 24時間ECGモニタリングambulatory ecg monitoring [show details]
…device, the battery longevity of ICMs can range between two to four years . The ICM offers the ability to monitor for cardiac arrhythmias for prolonged periods of months to years. In one cohort of 312…

Japanese Journal

心臓の自動能とその異常:―回顧と展望―

後藤昌義,池田佳津子
心電図 4(2), 129-139, 1984
周知のように心臓拍動の本体は古くHippocrates (B.C.460-370) 以来の疑問であり, プネウマ説ほか諸説があったが, いずれも前近代的な学説であり, 実験科学的な追究はやはりHarvey (1628) の血液循環の発見以後に始まったといえよう。この17世紀以後の研究は心臓拍動の神経原説neurogenic theoryと筋原説myogenic theoryの論争をめぐって展開され …
NAID 130004245665

症例 Sick sinus症候群(SSS)の一剖検例-その刺激伝導系の連続切片による病理学的研究

若杉茂俊,城忠文,戸山靖一,谷口春生,岡田了三
心臓 8(1), 51-59, 1976
… 電図所見との対応上特異なことは房室接合部の細胞減少にもかかわらず,心電図,ヒス束心電図にて房室伝導障害を示す所見がみられず,自動能低下のみみられたことで,房室結節周辺の伝導性保持と自動能は別の機序によるものであることが示唆された.このことはSSSにおいて心臓の自動能低下の表現が前面にでて,伝導障害がかくれている場合に,房室伝導系の器質的障害を見逃す危険があることを示し,興味深い所見である. …
NAID 130004137050