ABSTRACT
To assess the frequency of serum magnesium level in heart failure patients with and without diabetes mellitus. Cross Sectional Study. This study was conducted at Basic Medical Sciences Institute [BMSI], Jinnah Postgraduate Medical Centre [JPMC], Karachi, in collaboration of National Institute of Cardiovascular Diseases [NICVD] Karachi, from April 2003 to December 2003. A sample size of 45 was drawn through convenient sampling, between the age group of 35-65 years. Serum magnesium, glucose levels were estimated, using Kit method, data was analyzed on the SPSS 11 for statistical significance. Out of 45 cases of heart failure, 15 were diabetic with low level of serum magnesium [1.67mg/dl] as compared to 30 non-diabetics with significantly high level of serum magnesium [1.75mg/dl]. This study concluded, in heart failure patient with diabetes mellitus had low serum magnesium level and was at increased risk of complications related to magnesium