Exercise-related out-of-hospital cardiac arrest in the general population: incidence and prognosis.

Aims: Although regular physical activity has beneficial cardiovascular effects, exercise can trigger an acute cardiac event. We aimed to determine the incidence and prognosis of exercise-related out-of-hospital cardiac arrest (OHCA) in the general population.

Methods And Results: We prospectively collected all OHCAs in persons aged 10-90 years from January 2006 to January 2009 in the Dutch province North Holland.

The potential yield of ECG screening of hypertensive patients: the Utrecht Health Project.

Objective: Several guidelines for hypertension and cardiovascular risk management recommend an ECG in hypertensive patients to improve risk prediction. We estimated the prevalence of clinically relevant ECG abnormalities and the number needed to screen (NNS) with a routine ECG to prevent the occurrence of one death in the next 10 years conditional on adequate treatment and follow-up.

Methods: The study population consisted of 866 hypertensive participants recruited from the Utrecht Health Project (UHP), a dynamic population study in Utrecht.