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1. ジゴキシン中毒による不整脈cardiac arrhythmias due to digoxin toxicity [show details]
… Digoxin also slows conduction through the atrioventricular (AV) junction… faster rate of pacing may in itself increase the transient inward current and worsen the arrhythmia.…
2. ドロネダロンの臨床使用clinical uses of dronedarone [show details]
…weeks or a transesophageal echocardiogram for assessment of left atrial thrombus). Dronedarone slows the resting ventricular heart rate by approximately 10 to 15 beats per minute in patients who develop…
3. 心筋の興奮性、不整脈の発症機序、抗不整脈薬の作用機序cardiac excitability mechanisms of arrhythmia and action of antiarrhythmic drugs [show details]
…fast response tissues can be converted to slow response tissues. In this setting, sodium channels become inactivated and depolarization is dependent upon the slow calcium channels. When an action potential …
4. 心臓自動能の増強enhanced cardiac automaticity [show details]
…maintenance of the slow influx of calcium ions, the fast action potential is converted to a slow action potential which has spontaneous automaticity. Thus, latent energy-independent slow action potential …
5. 心房細動における心拍数のコントロール：薬理療法control of ventricular rate in atrial fibrillation pharmacologic therapy [show details]
…so-called "slow response" fibers. In most myocardial tissue, the initial depolarizing phase of the action potential (phase 0) is mediated by rapid sodium channels. In contrast, in the slow response fibers …