Okay. My Wife Was In The Hospital Overn Night For

Okay. My wife was in the hospital overn night for observation and testing for a tight chest ans no energy. They took xrays and ran blood and urine tests. They said there's no significant problem - but they prescribed Lisinopril 5 MG tablet. She has little energy today and wonders why. Is this a beta blocker? Will it slow her down to a crawl? Don...