Importance of over‐reading ambulatory ECG‐based microvolt T‐wave alternans to eliminate three main sources of measurement error

Current Developments in Microvolt T-wave Alternans

Microvolt T-wave alternans (MTWA), the beat-to-beat fluctuation in T wave amplitude and morphology, is closely linked to vulnerability to ventricular arrhythmias in various experimental and clinical conditions. Clinically, MTWA is most commonly measured using the spectral method, although non-spectral methods for its assessment from ambulatory electrocardiographical recordings also have been de...

contribution of setting to the study of characters and the main idea in e. brontes: wuthering heights and t. hardys: return of the native.

this thesis aims to adduce an unmitigated and comprehensive explication concerning the relationship of three significant elements of fiction: setting, chracter and theme. my research is basically placed on two outstanding novels of the 19th century: emily brontes wuthering heights and thomas hardys return of the native. my endeavour lies in studying the correlation among the three above-mention...

Evidence regarding clinical use of microvolt T-wave alternans.

BACKGROUND Microvolt T-wave alternans (MTWA) testing in many studies has proven to be a highly accurate predictor of ventricular tachyarrhythmic events (VTEs) in patients with risk factors for sudden cardiac death (SCD) but without a prior history of sustained VTEs (primary prevention patients). In some recent studies involving primary prevention patients with prophylactically implanted cardiov...

Review of Key Clinical Literature on Microvolt T-Wave Alternans

Immediate ventricular tachycardia after abnormal microvolt T-wave alternans.

Microvolt T-wave alternans (MTWA) is a promising non-invasive method of evaluating repolarization abnormalities. Its presence is strongly related to the occurrence of malignant ventricular tachyarrhythmias and is therefore regarded as a risk marker for sudden cardiac death. Most recent studies have described the usefulness of MTWA in selecting patients who may benefit from a cardioverter-defibr...