Intra and extracellular fluid magnesium by atomic absorption spectrophotometry

Magnesium supplementation in patients with congestive heart failure.

“…This suggests that tight regulation of serum levels exists across age groups, disease states, and regional distributions. Levels of red cell Mg were found comparable to healthy subjects [31,34,[39][40][41][42], to patients with coronary artery disease [25] and to hypertensives [26]. In patients with CHF, red cell Mg concentrations observed in this study were higher than those noted by Seller et al [16] in a group of normal subjects as well as in 13 patients with CHF.…”

“…Serum and plasma samples were diluted 1:50 and whole blood samples were diluted 1:30 with 0.5% lanthanum oxide and 10% HCl atomic absorption spectrophotometry (AAS) dilution solution. Red cell Mg concentrations were performed by the indirect method of Archer et al [31] and calculated according to the following equation: Urinary Magnesium and Creatinine Excretions. Twentyfour hour urinary Mg and creatinine excretions were collected on eight occasions over the 3 months of study: baseline days 1, 2 and 3; months 1 and 2; and month 3, days 1,2 and 3.…”

Magnesium (Mg) Retention and Mood Effects After Intravenous Mg Infusion in Premenstrual Dysphoric Disorder

“…The MBC Mg content (Elin and Hosseini 1985) and concentration (Hosseini and Elin 1988) were performed as previously reported. We determined RBC Mg by an indirect method using a hematocrit measurement corrected for trapped plasma and diluted whole blood following lysis in distilled water (Archer et al 1972).…”