作者: reflection 時(shí)間: 2025-3-21 23:03
Optical Interactions in Magnetic Materials,g reentrant tachycardia. Second, the block in conduction might be expected to markedly suppress premature ventricular contractions (PVCs) by preventing their propagation. It was consistent with the observation that the greater the propensity of a compound (e.g., class I agent) to block conduction, t作者: 鳥(niǎo)籠 時(shí)間: 2025-3-22 02:23 作者: MURKY 時(shí)間: 2025-3-22 05:26
T wave Alternans. A Marker of Vulnerability to Ventricular Tachyarrhythmiasthe experimental and clinical conditions associated with T wave alternans and the electrophysiologic basis that links the phenomenon to ventricular vulnerability. Preliminary observations on a recently developed noninvasive technique to detect subtle T wave alternans will also be discussed (10).作者: Misnomer 時(shí)間: 2025-3-22 10:25 作者: Lobotomy 時(shí)間: 2025-3-22 14:51
To Treat or Not To Treat Ventricular Arrhythmias in Dilated Cardiomyopathy? failure, with mortality rates ranging from 30% to 50% at 1 year from symptom onset, or sudden cardiac death (SCD) presumably resulting from arrhythmias, accounting for 28%–45% of fatal events (1, 2). SCD could be ascribed in most cases to ventricular tachycardia (VT) degenerating into ventricular f作者: Lobotomy 時(shí)間: 2025-3-22 20:09 作者: Servile 時(shí)間: 2025-3-22 22:48
Nonlinear Optical Materials and Devicesias. Frequent ICD shocks can cause pain and may impair ventricular function and quality-of-life of patients with an ICD. Repetitive activations may also determine early battery depeletion or finally be proarrhythmic (1) and even fatal (2).作者: aquatic 時(shí)間: 2025-3-23 01:37
QT Prolongation in Postinfarction Patients and Sudden Death: Which Relationship?way and the sames happens with other two factors. We should also emphasize that the three angles of the triangle, electrical instability, left ventricular dysfunction, and ischemia, include different parameters as we can see in Fig 2. In Tables 1–3 we summarize the most important relationships between these three parameters.作者: 放氣 時(shí)間: 2025-3-23 06:39 作者: 小隔間 時(shí)間: 2025-3-23 10:03 作者: BUCK 時(shí)間: 2025-3-23 14:20
Optical Three-Wave Coupling Processes,alvular defects. However, in a small subset of patients who develop VF, no structural heart disease can be identified despite intensive examination. These patients are defined as having “idiopathic ventricular fibrillation” (IVF; 2–6).作者: Free-Radical 時(shí)間: 2025-3-23 19:17
Linear Dielectric Response of Matter,event has caused further concern in the field of cardiac arrhythmias and electrophysiology and is raising questions about the availability of drugs that may reduce sudden cardiac death and also about the rationale and events that precede the initiation of large-scale clinical trials.作者: OGLE 時(shí)間: 2025-3-24 02:02
Disordered Maxwell-Bloch Equationslectrophysiologic, anatomic, and methodologic difficulties not found in the above two situations (Table 1). To be amenable to RFCA, the clinically occurring VT has to be reproducibly inducible in the electrophysiology laboratory, well tolerated, and sustained enough to be mappable.作者: forbid 時(shí)間: 2025-3-24 03:54
https://doi.org/10.1007/978-1-4613-0629-0 malignant sustained arrhythmias in thousands of patients. But these patients have sick hearts, and the question asked by some — and which we will address here — is whether this reduction in sudden death translates to an overall, meaningful benefit in overall survival.作者: Aspirin 時(shí)間: 2025-3-24 08:04 作者: LEVER 時(shí)間: 2025-3-24 12:19
Idiopathic Ventricular Fibrillation: Which Prognosis and Treatment?alvular defects. However, in a small subset of patients who develop VF, no structural heart disease can be identified despite intensive examination. These patients are defined as having “idiopathic ventricular fibrillation” (IVF; 2–6).作者: 能夠支付 時(shí)間: 2025-3-24 16:48 作者: Indelible 時(shí)間: 2025-3-24 20:15 作者: 下垂 時(shí)間: 2025-3-24 23:28 作者: 狗舍 時(shí)間: 2025-3-25 05:37
What Have We Learned from Stored Implantable Cardioverter Defibrillator Electrocardiograms about theh were reported by MacWilliams in 1889 (3) and Lewis in 1915 (4), who found an association between ventricular fibrillation (VF) and sudden cardiac death. Large-scale epidemiologic studies revealed that ventricular tachyarrhythmias contribute in about 80% and bradyarrhythmias in about 20% of cases to this serious clinical event (5,6).作者: 服從 時(shí)間: 2025-3-25 11:13
Beta Blockers, Sotalol, or Amiodarone for the Treatment of Malignant Ventricular Arrhythmias? blockers (class I) (1–5). There is also increasing evidence that sympathetic inhibition represents a fundamental feature in the treatment of patients with ventricular tachycardia (VT) and ventricular fibrillation (VF) (4).作者: Ondines-curse 時(shí)間: 2025-3-25 12:27
What Are the Acute and Long-Term Results of Transvenous Implantable Cardioverter Defibrillators?o clinical practice (3–12). One of these systems (Endotak, CPI, St Paul, MN, USA) has been extensively evaluated in Italy since 1990 by means of a multicenter trial (37 centers). In this paper the results of this trial are reported.作者: humectant 時(shí)間: 2025-3-25 19:47
Implantable Cardioverter Defibrillator Technology in the Next 10 Years: What Can Be Expected?n with a fixed energy. The ICD had to be implanted by a thoracotomy, as at least one defibrillation patch had to be positioned epi-cardially. Due to its volume of 145 ml, the device had to be implanted abdominally. Since 1980, major technical developments have been made which have improved ICD therapy and facilitated its widespread use (3).作者: 縮短 時(shí)間: 2025-3-25 21:40 作者: constitutional 時(shí)間: 2025-3-26 02:30
e: malignant ventricular arrhythmias, sudden death, automatic implantable cardioverter defibrillators, syncope, current indications for pacing therapy, radiofrequency catheter ablation, flutter, and atrial fibrillation.978-3-540-75012-3978-88-470-2223-2作者: Cpr951 時(shí)間: 2025-3-26 08:11 作者: EVICT 時(shí)間: 2025-3-26 10:09
https://doi.org/10.1007/978-1-4613-0629-0o clinical practice (3–12). One of these systems (Endotak, CPI, St Paul, MN, USA) has been extensively evaluated in Italy since 1990 by means of a multicenter trial (37 centers). In this paper the results of this trial are reported.作者: Ganglion-Cyst 時(shí)間: 2025-3-26 13:02 作者: 專心 時(shí)間: 2025-3-26 19:40
Conference proceedings 1996xes in healthy individuals, supraventricular tachyarrhythmias in patients with Wolff-Parkinson-White snydrome, atrioventricular block, and ventricular fibrillation in cardiopathic conditions, especially in patients with ischemic disease. Topics of major interest are discussed in this volume: maligna作者: Comedienne 時(shí)間: 2025-3-26 22:26 作者: 遣返回國(guó) 時(shí)間: 2025-3-27 03:12 作者: 天空 時(shí)間: 2025-3-27 05:44 作者: 使人煩燥 時(shí)間: 2025-3-27 10:16
P. A. Chollet,F. Kajzar,J. Messierined ventricular tachycardia (NS-VT), is of paramount importance. This chapter reviews the role of risk stratification techniques, with particular emphasis on the signal-averaged electrocardiogram (ECG) and programmed ventricular stimulation (PVS), in the management of patients with NS-VT.作者: 存在主義 時(shí)間: 2025-3-27 15:43
Nonlinear Dielectric Response of Matter,n, and electrical instability. The risk can be found in the center of an imaginary triangle formed by these three factors. These factors interact bidirectionally (Fig. 1), so that any of the apices affects the next directly or indirectly, and the modification of any one of these factors consequently作者: 熱心 時(shí)間: 2025-3-27 20:39 作者: LATER 時(shí)間: 2025-3-28 01:46 作者: SOB 時(shí)間: 2025-3-28 03:02
The Lebedev Physics Institute Seriescause placebo-controlled studies could not be performed for ethical reasons. However, current clinical data indicate a need for a greater use of drugs that prolong repolarization, such as amiodarone and sotalol (class III of antiarrhythmics), than agents that delay conduction, such as sodium channel作者: Paraplegia 時(shí)間: 2025-3-28 06:48 作者: Communal 時(shí)間: 2025-3-28 13:18
Linear Dielectric Response of Matter,patients randomized to .-sotalol. Five years after the early termination of the Cardiac Arrhythmia Suppression Trial (CAST) for similar reasons, this event has caused further concern in the field of cardiac arrhythmias and electrophysiology and is raising questions about the availability of drugs th作者: goodwill 時(shí)間: 2025-3-28 15:39
https://doi.org/10.1007/978-94-007-4513-1tment indication, should include a comprehensive clinical evaluation focusing on the potential role of triggering factors of rhythm disturbances. The clinical evaluation of the various interrelated adverse events that can precipitate MVA, as shown in Fig.1, is mandatory for the full understanding of作者: Nebulous 時(shí)間: 2025-3-28 20:54 作者: NAIVE 時(shí)間: 2025-3-29 01:58
https://doi.org/10.1007/978-1-4613-0629-0table dramatic evidence of this phenomenon comes from the stored electrograms, which have visually captured the interruptions of countless episodes of malignant sustained arrhythmias in thousands of patients. But these patients have sick hearts, and the question asked by some — and which we will add作者: constitutional 時(shí)間: 2025-3-29 03:28 作者: 吵鬧 時(shí)間: 2025-3-29 10:05
Nonlinear Optical Materials and DevicesCD) in the treatment of malignant ventricular tachyarrhythmias and in the prevention of sudden cardiac death. Despite efforts to reduce defibrillator size and defibrillation threshold while continuing to provide more sophisticated tiered therapy, inappropriate ICD discharges remain a relatively freq作者: agitate 時(shí)間: 2025-3-29 11:24 作者: 粗鄙的人 時(shí)間: 2025-3-29 17:28 作者: misshapen 時(shí)間: 2025-3-29 21:01
Disordered Maxwell-Bloch EquationsSudden unexpected cardiac death is a common feature in the natural history of hypertrophic cardiomyopathy (HCM) and in some patients is the first clinical manifestation of the disease (1–4).作者: 厭煩 時(shí)間: 2025-3-30 03:45
Quasi-Phase-Matching Technology,The implantable cardioverter defibrillator (ICD) is an important and unique new method of potentially preventing recurrent sudden cardiac death (SCD) due to malignant ventricular arrhythmias (MVA).作者: 步履蹣跚 時(shí)間: 2025-3-30 07:28
Which Therapeutic Approach for Patients with Hypertrophic Cardiomyopathy and Ventricular ArrhythmiasSudden unexpected cardiac death is a common feature in the natural history of hypertrophic cardiomyopathy (HCM) and in some patients is the first clinical manifestation of the disease (1–4).作者: Misnomer 時(shí)間: 2025-3-30 11:46
Implantable Cardioverter Defibrillator: A Therapy for Everyone or for Selected Patients?The implantable cardioverter defibrillator (ICD) is an important and unique new method of potentially preventing recurrent sudden cardiac death (SCD) due to malignant ventricular arrhythmias (MVA).作者: Ondines-curse 時(shí)間: 2025-3-30 16:01 作者: SOW 時(shí)間: 2025-3-30 20:30 作者: 弓箭 時(shí)間: 2025-3-30 21:07 作者: 松軟 時(shí)間: 2025-3-31 04:06 作者: 固定某物 時(shí)間: 2025-3-31 05:08
