OBJECTIVES We sought to identify patients with hypertrophic cardiomyopathy (HCM) at
high risk of sudden death (SD). BACKGROUND Relatively low mortality rates in HCM make …

The value of heart rate variability, ambulatory electrocardiographic (ECG) variables and the
signal-averaged ECG in the prediction of arrhythmic events (sudden death or life-threatening …

Background A previous study suggested that severe left-ventricular hypertrophy (maximum
wall thickness ⩾30 mm) in patients with hypertrophic cardiomyopathy is associated with a …

Heart rate (HR) variability index and left ventricular ejection fraction (EF) were compared for
the prediction of all-cause mortality, arrhythmic events and sudden death in 385 survivors of …

The clinical outcome of 52 consecutive patients with hypertrophic cardiomyopathy who
developed paroxysmal (<1 week) or established (≥l week) atrial fibrillation between 1960 and …

OBJECTIVE: To test for a significant association between air pollution and emergency hospital
admissions for circulatory diseases (international classification of diseases-9 390-459) in …

Clostridium difficile can be a fatal hospital-acquired infection and its prevalence has increased.
Accurate diagnosis of C difficile is essential for patient management, infection control, …

Over a 2-year period from January 1, 1992, to December 31, 1993, of 2,221 patients undergoing
cardiac operations in our unit, 85 (3.8%) were reopened for the control of bleeding (9 …

Bland-Altman analysis is used for assessing agreement between two measurements of the
same clinical variable. In the field of cardiac output monitoring, its results, in terms of bias and …

… Jan D Poloniecki, senior lecturer in biostatistics2, … The study was approved by the
multicentre ethics research committee for Wales, 10 January 2001. … Articles by Jan D Poloniecki …