Final answer:
Cardiac monitoring is used during invasive procedures such as angioplasty and pacemaker implantation, which involve catheter placement and require close monitoring of the heart's electrical activity to ensure procedure success and patient safety.
Step-by-step explanation:
Cardiac monitoring, such as the use of an Electrocardiogram (ECG or EKG), is typically utilized during the placement of catheters like those used in angioplasty or for implanting a pacemaker. During angioplasty, a catheter with a balloon is inserted and guided to an occluded site, where it is then inflated to widen the vessel and may include the Insertion of a stent to sustain vessel openness.
In cases where a pacemaker is implanted to regulate heart rhythms, monitoring the heart's electrical activity ensures that the placement does not cause or coincide with arrhythmias. Cardiac ECG monitoring ensures the safety and effectiveness of these invasive procedures usually carried out in surgical or intensive-care environments.