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Atrial fibrillation (AF) is an irregular, disorganized, electrical activity of the atria. It is characterized by uncoordinated atrial activity that leads to inefficient atrial contraction and impaired ventricular filling.
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In people without known cardiovascular disease, an increase in resting heart rate with age was associated with an increased risk of death.
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A drug has been approved to treat high plasma levels of methotrexate. Glucarpidase is a bacterial enzyme produced by recombinant DNA technology using genetically modified Exherichia coli. Glucarpidase is a carboxypeptidase enzyme that metabolizes methotrexate to its inactive metabolites. It is marketed by BTG International Inc. as Voraxaze.
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Right-sided MCL-1 monitoring lead rhythm strip. Why might beats #4 through #7 be wide?
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There is still some debate about the relationship between being overweight and cardiovascular (CV) health, since among overweight individuals there is great diversity in levels of CV fitness as well as CV risk factors (e.g., hypertension, diabetes, dyslipidemia).
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Among patients with coronary heart disease and LDL-cholesterol levels less than 70 mg/dL, there is no incremental clinical benefit from the addition of niacin to statin therapy during a 36-month follow-up, despite improvements in HDL-cholesterol and triglyceride levels.
