The most common presentation is a delay or latency between the stimulus artifact and the QRS called first-degree pacemaker ventricular block. This can then deteriorate to periodic episodes of failure to capture the myocardium referred to as second-degree pacemaker ventricular block that may manifest ...
The present invention provides a technique for verifying pacing capture of a ventricular chamber, particularly to ensure desired delivery of a ventricular pacing regime (e.g., "CRT"). The invention also provides ventricular capture management by delivering a single ventricular pacing stimulus and check...
Acute heart failure related to a large left atrial myxoma Conventional echocardiography is a simple economical test for detecting LV dysfunction in normotensive, asymptomatic and type 2 diabetic patients, and should be applied to detect early Left ventricular dysfunction so that actively preventive and ...
A recent term for ventricular ectopic (premature) beats, also known asEXTRASYSTOLES. There are indications that ventricular ectopy during exercise may be due to perfusion defects in the heart muscle, and that frequent ectopic beats after exercise may be more significant indications of risk than whe...
Objective To evaluate parameter changes and safety of dual chamber pacemaker with ventricular autocapture function. Methods Dual chamber pacemakers with ventricular autocapture function (Pacesetter Affinity DC 5230R) were implanted in 20 patients; Stimulation threshold, output amplitude, evoked response (ER...
Patients were subdivided into two subgroups, considering the presence (group 1, n = 100) or absence (group 2, n = 130) of a CIED (either pacemaker or ICD). This last group of patients, characterized by images without artifacts, was included to achieve an adequate training sample...
DeliveryIV DoseInjection (undiluted): 5 mg/kg by rapid injection; if arrhythmia persists, may increase dose to 10 mg/kg and repeat as necessary. Infusion (diluted): 1-2 mg/min; alternatively, 5-10 mg/kg IV over at least 8 min repeated every 6 hour. ...
links between CV measures and diseases (heart failure, dilated and hypertrophic cardiomyopathy, atrial fibrillation, 2ndor 3rddegree atrioventricular (AV) block or pacemaker implantation, diabetes and myocardial infarction)(Supplementary Data28). We used logistic regression to derive odds-ratios and ...
Although less critical than ICD RV lead failure, a right atrial (RA) or left ventricular (LV) lead malfunction may have clinical consequences. A RA lead malfunction may favor pacemaker-mediated tachycardia, loss of CRT, or supraventricular tachycardia (SVT)-VT discrimination errors. An LV lead ...
Twitter Google Share on Facebook ven·tric·u·lar di·as·to·le period of relaxation and repolarization of the ventricular muscle. Farlex Partner Medical Dictionary © Farlex 2012 Want to thank TFD for its existence?Tell a friend about us, add a link to this page, or visitthe webmaster...