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Data from the Paris Prospective Study (1) shows a higher risk for sudden death for those apparently healthy individuals whose heart rate responses are exaggerated under mild mental stress and below normal during peak exercise. Heart rate changes before an exercise test may therefore provide a simple tool for risk stratification.

A long-term study conducted in ICD recipients shows a high recurrence rate of potentially life-threatening ventricular arrhythmias. Factors that increase risk can be identified but, even with these factors, it was not possible to distinguish a recurrence-free group.

A new study [1] suggests that, in a broad population undergoing implantable cardioverter defibrillator (ICD) implantation, that mortality is relatively high, at 16%, within one year after implantation.

Elevation of cardiac troponin T (cTnT) after ICD discharge, even when it occurs after device testing, is a risk factor for mortality that is independent of other common prognostic variables.

Symptoms of depression are related to cardiovascular mortality even after adjustment for other prognostic indicators in optimally treated patients with comorbid atrial fibrillation (AF) and congestive heart failure (CHF).

Autonomic dysregulation and arrhythmia can occur in selected patients with coronary artery disease (CAD) when they are exposed to air pollution, according to a recently published randomized longitudinal study conducted in Padua.

An education programme aiming to prepare industry employees to support health care professionals during procedures related to diagnosing and treating abnormal heart rhythm conditions, has been announced by the European Heart Rhythm Association (EHRA).

As the European Society of Cardiology (ESC) Congress 2009 draws ever closer, the evidence in favour of a healthy lifestyle for the prevention of cardiovascular disease grows ever stronger. While there will be numerous presentations of specific interest to Arrhythmia Watch, prevention is the highlight theme of this year’s event, which will take place in Barcelona from 29 August to 2 September. Lifestyle factors are heavily on the agenda.