The arrhythmia abruptly terminates, and there is a narrow QRS complex that is preceded by a P wave ... to prolong the QT interval. If the supraventricular complex had a normal QT interval ...

The thyrotropin level was normal, the N-terminal pro–B ... criterion confirms ventricular tachycardia if the interval of the onset of the R wave to the nadir of the S wave is greater than ...

John Wilkins, clinical director at the institute’s Human Longevity Laboratory, puts it like this: “When you ask how old ...

Targeted memory reactivation improved memory performance of easy-to-learn words, but had no effect of difficult-to-learn words, which suggests a critical role of word learning difficulty in sleep ...

A 12-lead ECG performed on presentation showed regular P waves occurring at a rate of ≈48 ... branch block and left anterior fascicular block. The PR interval is slightly prolonged beyond the normal ...

We have infused adrenaline intravenously in nine normal volunteers to levels similar ... Adrenaline also produced a decrease in T wave amplitude and an increase in the QTc interval. The serum ...

On 2 occasions total white-cell counts were 17,500 and 20,700, with normal differential ... was an abnormal R-wave progression in the precordial leads compatible with an interval anteroseptal ...

characteristic ECG changes of acute MI; and thirdly, increase of the cardiac enzyme creatine kinase to at least twice the normal upper limit. One hundred fifty subjects who were able to exercise early ...

Heart rate, ECG and SpO 2 were monitored continuously during the exposure ... BAL and BL measures) or over a 24 h interval (HRV time domain) and these endpoints were compared directly between two ...