A nuclear stress test will take much longer on the order of a few hours because of the imaging before and after that needs to occur. I suggest that you give your primary care physician or cardiologist a call and ask first what type of stress test you have having.
Achieved status is a concept developed by the anthropologist Ralph Linton denoting a social position that a person can acquire on the basis of merit; it is a position that is earned or chosen. It is the opposite of ascribed status. It reflects personal skills, abilities, and efforts.
In medicine (oncology and other fields), performance status is an attempt to quantify cancer patients' general well-being and activities of daily life. This measure is used to determine whether they can receive chemotherapy, whether dose adjustment is necessary, and as a measure for the required intensity of palliative care.