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Dmitry Esterov, Kiin Kim, Sara J Cuccurullo, Iqbal H Jafri
No abstract text is available yet for this article.
September 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
Jennifer L Mankin, Christopher Thompson, Holly P Branigan, Julia Simner
This study used grapheme-colour synaesthesia, a neurological condition where letters evoke a strong and consistent impression of colour, as a tool to investigate normal language processing. For two sets of compound words varying by lexical frequency (e.g., football vs lifevest) or semantic transparency (e.g., flagpole vs magpie), we asked 19 grapheme-colour synaesthetes to choose their dominant synaesthetic colour using an online colour palette. Synaesthetes could then select a second synaesthetic colour for each word if they experienced one...
May 2016: Cognition
M Sorleto, H Wuttig, E Aydilek, M Wiemer
We describe for the first time the misinterpretation of a wearable cardioverter defibrillator in the arrhythmia recognition algorithm with subsequent fatal outcome of a multi-morbid patient with an ischemic cardiomyopathy and a highly reduced left ventricular pump function (30 %). The patient's death was preceded by a life-threatening shockable rhythm which was repeatedly documented, but ultimately not correctly recognized by the system and therefore not treated.
March 2016: Herzschrittmachertherapie & Elektrophysiologie
Tanyanan Tanawuttiwat, Juan D Garisto, Arturo Salow, Joann M Glad, Steve Szymkiewicz, Heath E Saltzman, Steven P Kutalek, Roger G Carrillo
BACKGROUND: An implantable cardioverter defibrillator (ICD) is effective in preventing sudden cardiac death (SCD). Once an ICD is removed and reimplantation is not feasible, a wearable cardioverter defibrillator (WCD) may be an alternative option. We determined the effectiveness of WCD for SCD prevention in patients who were discharged after ICD removal. METHODS: A retrospective study was conducted on all WCD (LifeVest, ZOLL, Pittsburgh, PA, USA) patients who underwent ICD removal due to cardiac device infections (CDIs) at two referral centers between January 1, 2005 and December 31, 2009...
May 2014: Pacing and Clinical Electrophysiology: PACE
Bernhard Maisch, Volker Ruppert, Sabine Pankuweit
Fulminant myocarditis is a clinical syndrome with signs of acute heart failure, cardiogenic shock, or life-threating rhythm disturbances in the context of suspected myocarditis. It is not an etiological diagnosis, but may have different underlying causes and pathogenetic processes - viral, bacterial, toxic, and autoreactive. Clinical management of the disease entity at the acute stage involves hemodynamic monitoring in an intensive care unit or similar setting. Rapid routine work-up is mandatory with serial EKGs, echocardiography, cardiac MRI, heart catheterization with endomyocardial biopsy for histology, immunohistology, and molecular analysis for the underlying infection and pathogenesis...
June 2014: Current Heart Failure Reports
Viviane Möller, Frank Hölschermann, Thomas Schau, Christian Butter
Bridging pacemaker-dependent patients or patients with repetitive ICD therapies after device and lead extraction is often challenging. Temporary pacing by means of an active fixation lead connected to an external reusable permanent pacemaker, or of a subxiphoidally implanted pacemaker with an epicardial lead is a safe option for bridging pacemaker-dependent patients after device and lead explantation. The wearable cardioverter defibrillator (WCD; LifeVest(®)) is a safe and effective tool for patients who need a continuous monitoring and ICD backup after device explantation...
September 2013: Herzschrittmachertherapie & Elektrophysiologie
Helmut U Klein, Ilan Goldenberg, Arthur J Moss
The benefit of implantable cardioverter-defibrillator (ICD) therapy depends upon appropriate evaluation of a persisting risk of sudden death and estimation of the patient's overall survival. Assessment of a stable and unchangeable arrhythmogenic substrate is often difficult. Structural abnormality and ventricular dysfunction, the two major risk parameters, may recover, and heart failure symptoms can improve so that ICD therapy may not be indicated. Risk stratification can take time while the patient continues to be at high risk of arrhythmic death, and patients may need temporary bridging by a defibrillator in cases of interrupted ICD therapy...
August 2013: European Heart Journal
S Peters, H U Klein
A 50-year-old woman with arterial hypertension suffered from recurrent syncope. On admission, recurrent torsades de pointes tachycardia, ventricular flutter, and ventricular fibrillation with the necessity of cardiopulmonary resuscitation were documented. After administration of β-blocking agents, amiodarone, and magnesium, heart rhythm was stabilized. Coronary angiography excluded coronary artery disease. Echocardiography revealed apical ballooning with reduced ventricular function. The ECG showed left bundle-branch block and profound QT prolongation...
March 2012: Herz
Martin J LaPage, Charles E Canter, Edward K Rhee
We report a fatal device-device interaction between a wearable automated defibrillator (WAD; LifeVest - LifeCor, Inc., Pittsburgh, PA, USA) and a unipolar pacemaker that occurred in an 18-year-old patient listed for cardiac transplantation due to his failing Fontan. The patient developed ventricular tachycardia that was initially detected by the WAD. However, large unipolar pacing artifacts and specific WAD arrhythmia detection algorithms caused the WAD to revert to nonrecognition of the arrhythmia, which lead to the patient's death...
July 2008: Pacing and Clinical Electrophysiology: PACE
Douglas W Losordo, Richard A Schatz, Christopher J White, James E Udelson, Vimal Veereshwarayya, Michelle Durgin, Kian Keong Poh, Robert Weinstein, Marianne Kearney, Muqtada Chaudhry, Aaron Burg, Liz Eaton, Lindsay Heyd, Tina Thorne, Leon Shturman, Peter Hoffmeister, Ken Story, Victor Zak, Douglas Dowling, Jay H Traverse, Rachel E Olson, Janice Flanagan, Donata Sodano, Toshinori Murayama, Atsuhiko Kawamoto, Kengo Fukushima Kusano, Jill Wollins, Frederick Welt, Pinak Shah, Peter Soukas, Takayuki Asahara, Timothy D Henry
BACKGROUND: A growing population of patients with coronary artery disease experiences angina that is not amenable to revascularization and is refractory to medical therapy. Preclinical studies have indicated that human CD34+ stem cells induce neovascularization in ischemic myocardium, which enhances perfusion and function. METHODS AND RESULTS: Twenty-four patients (19 men and 5 women aged 48 to 84 years) with Canadian Cardiovascular Society class 3 or 4 angina who were undergoing optimal medical treatment and who were not candidates for mechanical revascularization were enrolled in a double-blind, randomized (3:1), placebo-controlled dose-escalating study...
June 26, 2007: Circulation
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