Journal of Cardiovascular Electrophysiology
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Successful Use of Quinine in the Treatment of Electrical Storm in a Child with Brugada Syndrome
Journal of Cardiovascular Electrophysiology - Tập 22 Số 5 - Trang 594-597 - 2011
PPAR‐γ Activator Pioglitazone Prevents Age‐Related Atrial Fibrillation Susceptibility by Improving Antioxidant Capacity and Reducing Apoptosis in a Rat Model
Journal of Cardiovascular Electrophysiology - Tập 23 Số 2 - Trang 209-217 - 2012
PPAR‐γ Activator as Upstream Therapy for Atrial Fibrillation in Rat.
Introduction: The in vivo role of peroxisome proliferator‐activated receptor
(PPAR)‐γ, an essential transcriptional mediator of lipid and glucose metabolism,
in atrial fibrillation (AF) remains to be fully elucidated. We investigated the
effects of pioglitazone, a PPAR‐γ activator, in an in vivo AF rat model. Methods
and Results:...
U Wave: Facts, Hypotheses, Misconceptions, and Misnomers
Journal of Cardiovascular Electrophysiology - Tập 9 Số 10 - Trang 1117-1128 - 1998
U Wave. The clinical significance of U wave is limited to the occasional
obfuscation of the end of T wave and an inadequately explained U wave inversion
associated with myocardial ischemia, infarction, and ventricular hypertrophy and
dilatation. Lengthening of QT interval often interferes with the recognition of
U wave. The characteristics of U wave are not compatible with the Purkinje or
ventricu...
Calcium Cycling in Heart Failure: The Arrhythmia Connection
Journal of Cardiovascular Electrophysiology - Tập 13 Số 1 - Trang 88-91 - 2002
Calcium Cycling in Heart Failure. Ventricular tachycardia in nonischemic heart
failure (HF) arises from a nonreentrant mechanism most likely due to delayed
afterdepolarizations from activation of a transient inward current (Iti). We
present data and a paradigm in which an up‐regulated Na/Ca exchanger,
residual‐adrenergic responsiveness, and decreased inward rectifying K current
(IK1) in HF all con...
Epinephrine‐Induced Ventricular Premature Complexes Due to Early Afterdepolarizations and Effects of Verapamil and Propranolol in a Patient with Congenital Long QT Syndrome
Journal of Cardiovascular Electrophysiology - Tập 5 Số 5 - Trang 438-444 - 1994
Epinephrine‐Induced VPCs and EADs in Congenital LQTS. We report a patient with
congenital long QT syndrome in whom early afterdcpolarizations (RAl)s) were
demonstrated on monophasic action potential (MAP) recordings in the left
ventricular mid‐base inferior wall. Epinephrine infusion at 5 fig/mm increased
the amplitude of the EADs and the late component of the T(U) wave. Epinephrine
also induced v...
Foramen Ovale: An Alternative for Left Atrial Access?
Journal of Cardiovascular Electrophysiology - Tập 19 Số 12 - Trang 1242-1244 - 2008
Pattern of Isthmus Conduction Recovery Using Open Cooled and Solid Large‐Tip Catheters for Radiofrequency Ablation of Typical Atrial Flutter
Journal of Cardiovascular Electrophysiology - Tập 15 Số 10 - Trang 1126-1130 - 2004
Introduction: Open cooled‐tip and solid 8‐mm‐tip catheters have demonstrated
safety and effectiveness for radiofrequency current (RFC) ablation of typical
atrial flutter (AFL). However, data from prospective and randomized studies in
this setting are lacking. Methods and Results: One hundred thirty consecutive
patients (104 men; 61 ± 11 years) with AFL were randomized to undergo RFC
catheter ablat...
Conduction Properties of the Inferior Vena Cava‐Tricuspid Annular Isthmus in Patients with Typical Atrial Flutter
Journal of Cardiovascular Electrophysiology - Tập 8 Số 7 - Trang 727-737 - 1997
Conduction Properties of the Annular Isthmus. Introduction: A functional region
of slow conduction located in the inferior right atrium has been postulated to
be critical to the induction and maintenance of typical human atrial flutter. We
reexamined the potential role of functional conduction delay in the annular
isthmus between the tricuspid valve and the inferior vena cava; it is within
this re...
Long‐Term Outcome of Radiofrequency Catheter Ablation for Topical Atrial Flutter: Risk Prediction of Recurrent Arrhythmias
Journal of Cardiovascular Electrophysiology - Tập 9 Số 2 - Trang 115-121 - 1998
RF Catheter Ablation for Atrial Flutter. Introduction: Little is known about the
predictors of recurrent atrial flutter or fibrillation after successful
radiofrequency ablation of typical atrial flutter. In addition, there is only
limited evidence suggesting that elimination of atrial flutter would modify the
natural history of atrial fibrillation in patients who experienced both of these
arrhythm...
Preliminary Results with Percutaneous Transcatheter Microwave Ablation of Typical Atrial Flutter
Journal of Cardiovascular Electrophysiology - Tập 18 Số 3 - Trang 286-289 - 2007
Background: Linear microwave ablation has been shown to be effective for
treatment of atrial fibrillation during open‐heart surgery by producing
transmural lesions in the atrium to isolate the pulmonary veins. However, the
safety and efficacy of percutaneous, transcatheter, linear microwave ablation
for atrial arrhythmias, while demonstrated in animal models, is unknown in
humans. Therefore, we st...
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