Sentences with phrase «functioning of pacemakers»

The magnetic fields and radio waves used in cardiac MRI are harmless, although the procedure can disrupt the functioning of pacemakers and implantable defibrillators and is therefore off - limits to patients with those devices.

Not exact matches

Cardiac resynchronization therapy (CRT) devices, such as pacemakers, that are designed to electrically stimulate the heart to function normally fail to help as many as a third of patients who receive them each year, according to some studies.

In the past, MRIs have been considered risky because of the fear a pacemaker or defibrillator device's generator circuits could be disrupted, or its metal leads could be pulled out of place by the magnetism, or the lead tips could become hot and scar surrounding tissues, interfering with pacing and defibrillating function.

A genome wide transcriptome dataset of the embryonic zebrafish heart with high spatial resolution was established and used to identify a novel mechanism regulating pacemaker function.

Emily will soon be thirteen years old and currently functions 50 % of the time on the pacemaker.