Hypomagnesemia is having a serum magnesium concentration of <1.3 mEq/L.
Patients with mild hypomagnesemia is asymptomatic and have usually a serum Mg >0.5 mmol/L. While those with moderate-severe hypomagnesemia, the patient is symptomatic and have serum Mg <5 mmol/L.
Hypermagnesemia signs and symptoms usually do not appear unless Mg >2 mmol/L (5 mg/dL). It rarely occurs and usually iatrogenic.
Stool-based colorectal cancer (CRC) screening should be the preferred method of CRC screening in Malaysia, according to Dato Dr Muhammad Radzi Abu Hassan, the Head of Gastroenterology Services in Ministry of Health, Malaysia, who presented the Malaysian experience on CRC screening at the Annual Scientific Meeting of the Society of Gastroenterology and Hepatology (GUT) 2018 held recently in Penang.