The goal of this observational study is to determine the effects of chromium serum levels on glucose metabolism, lipid metabolism, morbidity and mortality rates in critically ill intensive care patients. The investigators' goal is to provide a different perspective on solving the common problems of hyperglycemia and dyslipidemia encountered in intensive care patients, aiming to reduce morbidity and mortality rates. Participants will give a single blood sample (into trace element serum sample tube) on the day of admission to the intensive care unit, along with routine blood tests, and samples will be taken once a week during their stay in the intensive care unit.
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Serum Chromium Level
Timeframe: Once a week throughout the participant's ICU stay, starting from admission (day 0, day 7, day 14 and day 21).