翻訳と辞書 Words near each other ・ Ventura Pons ・ Ventura Raceway ・ Ventura River ・ Ventricle ・ Ventricle (heart) ・ Ventricolaria ・ Ventricolaria rigida ・ Ventricolaria rugatina ・ Ventricose ・ Ventricular action potential ・ Ventricular aneurysm ・ Ventricular assist device ・ Ventricular dysphonia ・ Ventricular dyssynchrony ・ Ventricular escape beat ・ Ventricular fibrillation ・ Ventricular flutter ・ Ventricular hypertrophy ・ Ventricular inversion ・ Ventricular outflow tract ・ Ventricular outflow tract obstruction ・ Ventricular pressure ・ Ventricular reduction ・ Ventricular remodeling ・ Ventricular septal defect ・ Ventricular system ・ Ventricular tachycardia ・ Ventricular-brain ratio ・ Ventricularia ・ Ventriculitis Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Ventricular fibrillation ： ウィキペディア英語版 Ventricular fibrillation Ventricular fibrillation (V-fib or VF) is a condition in which there is uncoordinated contraction of the cardiac muscle of the ventricles in the heart, making them quiver rather than contract properly. Ventricular fibrillation is the most commonly identified arrhythmia in cardiac arrest patients. While there is some activity, the lay person is usually unable to detect it by palpating (feeling) the major pulse points of the carotid and femoral arteries. Such an arrhythmia is only confirmed by electrocardiography. Ventricular fibrillation is a medical emergency that requires prompt Advanced Life Support interventions. If this arrhythmia continues for more than a few seconds, it will likely degenerate further into asystole ("flatline"). This condition results in cardiogenic shock and cessation of effective blood circulation. As a consequence, sudden cardiac death (SCD) will result in a matter of minutes. If the patient is not revived after a sufficient period (within roughly 5 minutes at room temperature), the patient could sustain irreversible brain damage and possibly become brain-dead, due to the effects of cerebral hypoxia. On the other hand, death often occurs if sinus rhythm is not restored within 90 seconds of the onset of VF, especially if it has degenerated further into asystole. ==Signs and symptoms== Ventricular fibrillation is a cause of cardiac arrest and sudden cardiac death. The ventricular muscle twitches randomly rather than contracting in a coordinated fashion (from the apex of the heart to the outflow of the ventricles), and so the ventricles fail to pump blood into the arteries and systemic circulation. Ventricular fibrillation is a sudden lethal arrhythmia responsible for many deaths in the Western world, and it is mostly caused by ischemic heart disease. While most episodes occur in diseased hearts, others can afflict normal hearts as well. The symptoms can include chest pain, tachycardia, dizziness, nausea, and shortness of breath.〔(【引用サイトリンク】url=https://www.nlm.nih.gov/medlineplus/ency/article/007200.htm )〕 Despite considerable research, the underlying nature of ventricular fibrillation is still not completely understood. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Ventricular fibrillation」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.