Premature ventricular contraction (PVC) is a type of abnormal heartbeat, or arrhythmia. It happens when the heartbeat begins in the lower, rather than the upper, heart chambers. This creates an ...

Few polymers used in healthcare have stoked as much controversy as polyvinyl chloride (PVC). For many years, this plastic and its additives have been scrutinized by authorities, criticized by NGOs, ...

We may receive a commission on purchases made from links. There are likely to be PVC pipes all around your house, from guttering along the roofline to drains in kitchens and bathrooms. Most of the ...