SUITABILITY OF BLOOD GAS ANALYSIS PH VALUES AND HENDERSON-HASSELBALCH FORMULA IN CRITICALLY ILL PATIENTS TREATED IN THE GENERAL ICU OF RSUP DR. MOHAMMAD HOESIN PALEMBANG ABSTRACT 1Anesthesiology and Intensive Care Resident of Medical Faculty Sriwijaya University/RSUP Dr. Mohammad Hoesin Palembang 2Anesthesiology and Intensive Care Departement of Medical Faculty Sriwijaya University/RSUP Dr. Moh…