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Articles 1 - 4 of 4
Full-Text Articles in Life Sciences
Fractals Analysis Of Cardiac Arrhythmias, Mohammed Saeed
Fractals Analysis Of Cardiac Arrhythmias, Mohammed Saeed
Department of Biological & Biomedical Sciences
Heart rhythms are generated by complex self-regulating systems governed by the laws of chaos. Consequently, heart rhythms have fractal organization, characterized by self-similar dynamics with long-range order operating over multiple time scales. This allows for the self-organization and adaptability of heart rhythms under stress. Breakdown of this fractal organization into excessive order or uncorrelated randomness leads to a less-adaptable system, characteristic of aging and disease. With the tools of nonlinear dynamics, this fractal breakdown can be quantified with potential applications to diagnostic and prognostic clinical assessment. In this paper, I review the methodologies for fractal analysis of cardiac rhythms and …
Lack Of Association Of Methylenetetrahydrofolate Reductase 677c>T Mutation With Coronary Artery Disease In A Pakistani Population, M Perwaiz Iqbal, Tasneem Fatima, Siddiqa Parveen, Farzana A. Yousuf, Majid Shafiq, Naseema Mehboobali, Abrar H. Khan, Iqbal Azam, Philippe M. Frossard
Lack Of Association Of Methylenetetrahydrofolate Reductase 677c>T Mutation With Coronary Artery Disease In A Pakistani Population, M Perwaiz Iqbal, Tasneem Fatima, Siddiqa Parveen, Farzana A. Yousuf, Majid Shafiq, Naseema Mehboobali, Abrar H. Khan, Iqbal Azam, Philippe M. Frossard
Department of Biological & Biomedical Sciences
Pakistanis belong to the South Asian population which has the highest known rate of coronary artery disease. Folic acid deficiency also appears to be highly prevalent in this population. Methylenetetrahydrofolate reductase (MTHFR) 677C>T polymorphism decreases the activity of this enzyme and can be associated with mild to moderate hyperhomocysteinemia in homozygotes, particularly when there is folic acid deficiency, as well as with coronary artery disease. To assess the value of genotyping the MTHFR 677C>T dimorphism, we carried out a case-control study of dimorphism 677C>T for putative association with myocardial infarction (MI) among Pakistani nationals. We investigated a …
Variability In Lipid Profile Before And After Coronary Artery Bypass Grafting (Cabg), M Perwaiz Iqbal, Hasanat Mohammad Sharif, Naseema Mehboobali
Variability In Lipid Profile Before And After Coronary Artery Bypass Grafting (Cabg), M Perwaiz Iqbal, Hasanat Mohammad Sharif, Naseema Mehboobali
Department of Biological & Biomedical Sciences
Objective: To investigate changes in total cholesterol, low density lipoprotein (LDL) cholesterol, high density lipoprotein (HDL) cholesterol, and triglycerides in serum of Pakistani patients before, immediately after and 5 days post CABG.
Method: Serum samples from 31 consecutive Pakistani angina patients undergoing CABG at the Aga Khan University Hospital were analyzed for total cholesterol, LDL cholesterol, HDL cholesterol and triglycerides using kit methods.
Results: Immediately after CABG, there is a significant decline in the mean levels of serum cholesterol, LDL cholesterol, HDL cholesterol and triglycerides. However, 5 days post CABG, there is a significant increase in the concentrations of total …
Biochemical Screening For The Prediction Of Preeclampsia, Dileep Kumar Rohra, Nazia Qidwai
Biochemical Screening For The Prediction Of Preeclampsia, Dileep Kumar Rohra, Nazia Qidwai
Department of Biological & Biomedical Sciences
No abstract provided.