Monitors blood pressure and heart rate using electrocardiogram (ECG) equipment during procedures including coronary angiography, pacemaker implantation, aortic stenosis studies, and patent foramen ovale closures. Inserts venous and arterial catheters and wires through a needle into the blood vessels and into the heart so that X-rays, angiograms, and other recordings can be taken to determine the heart's structure and function under the direct supervision of the physician.