The document discusses a catheterization laboratory or cath lab, which is an examination room in a hospital equipped with imaging equipment used to visualize the heart arteries and chambers. It describes a cath lab as a sterile unit similar to an operating theater, where procedures are performed under fluoroscopy using medical contrast dye. Common cath lab procedures listed include angiograms, angioplasty, stenting, pacemaker implantation and more. The document outlines the pre-procedure preparations, intra-procedure care, and post-procedure care in a cath lab.