Metoprolol tartrate is a pharmaceutical drug belonging to the beta-blockers group and is taken to treat health diseases linked to the cardiovascular system.

The US surgical lights are a specific subset of the comprehensive Medical Equipment category, attributed to increased surgical processes and better innovations. These are special light sources that are intended for use in operation theatres, to ensure that the surgeon gets adequate lights to work under. Each year, numerous surgeries are conducted across the United States, and as technology spreads, the need for appropriate lighting during surgeries also rises. Today, many operating theatres plan to implement LED surgical lights because they provide a high intensity and durability in comparison with the previous traditional Halogen light sources. LED lights not only allow for better illumination but also for cost reductions as well as leading to the conservation of the environment as per the principle of the healthcare facilities, acting with the aim of reducing their costs of operations.