In an acute care hospital, it is very common for the hospitalized patients' conditions to take a sudden turn for the worse.
Therefore, there are many sudden and irregular tests being done and it is always very rushed.
ご質問ありがとうございます。
"In an acute care hospital,"＝「急性期病院では」
"it is very common for the hospitalized patients' conditions to take a sudden turn for the worse."＝「入院患者の状態が急変することはしょっちゅうである。」
"Therefore, there are many sudden and irregular tests being done"＝「なので、急でイレギュラーな検査が多く、」
"and it is always very rushed."＝「いつもとても慌ただしい。」
ご参考に。
アメリカ合衆国 
