View clinical trials related to Cardioversion.
Filter by:The aim of the study is to assess the prevalence of left atrial thrombus in patients with atrial fibrillation (AF) or atrial flutter (AFI), in whom transesophageal echocardiography is performed before AF/AFl cardioversion or ablation.
Atrial fibrillation is a common arrhythmia which requires electrical cardioversion in many patients in order to regain sinus rhythm. In a previous retrospective study a complication of acute renal failure was found in 17% of the patients after cardioversion.(The incidence and prognosis of renal dysfunction following cardioversion of atrial fibrillation. Helman Y,...Gilon D et al:Cardiology 2013;124(3);184-9.) Another complication previously described after cardioversion is pulmonary edema. In this prospective study the investigators aim to evaluate the risk of acute renal failure post cardioversion. In addition the investigators would like to evaluate hemodynamic changes, fluid balance and sodium levels in patients post cardioversion as a potential mechanism for both acute renal failure and pulmonary edema post cardioversion. In order to assess hemodynamic changes the investigators will use a non-invasive FDA approved device called NICaS (Non-Invasive Cardiac System). This system calculates cardiac output, cardiac index and peripheral vascular resistance in a non-invasive, fast and accurate way.
Use of higher energy doses (120-150 J) may not offer additional benefits and higher success rate compared with low to moderate initial energy (100-120 J) of biphasic shock for atrial fibrillation cardioversion. In this prospective open-label randomized trial consecutive patients with AF and candidate to AF electrical cardioversion will be randomized to receive 100J or 120 J as initial dose of biphasic shock. Patients will be also randomized in each group to anterolateral or postero-anteriore placement of defibrillator electrodes.