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This innovative, pacemaker-based approach to the treatment of patients with heart failure who have a wide QRS complex (>140 ms) on 12-lead ECG aims at providing electromechanical coordination and improved ventricular synchrony in symptomatic patients who have severe systolic dysfunction and clinically significant intraventricular conduction defects, particularly left bundle-branch block. A percutaneous, three-lead, biventricular pacemaker system is used; one lead is placed in the right atrium, one is placed in the right ventricle, and a third is passed through the right atrium, through the coronary sinus, and into a cardiac vein on the lateral wall of the left ventricle.
Beneficial effects include reverse remodeling, resulting in decreased heart size and ventricular volumes, improved ejection fraction, and decreased mitral regurgitation. Clinical improvements in exercise tolerance, quality of life, and the rate of hospitalization have been documented. However resynchronization therapy has not been shown to enhance survival.
SAFETY MEASURES IN THE ADMINISTRATION OF DRUGS It is essential to revise the five "Rights" before administration of medication to the paediatric group. These as you know are:
Define Iron Response Element and Iron Regulatory Protein? The Iron Response Element (IRE) and the Iron Regulatory Protein (IRP) play key roles in co-ordinating regulation of ir
Problem 1: What is Placebo and Nocebo? Describe the significance of Placebo in clinical trials. Definition of placebo and Nocebo Significance of Placebo in clinical t
diff b/w protonephridia and metanephridia
Non-threshold approaches For genetic carcinogenes, the "NOEL-safety factor" approach is generally not considered a suitable method for setting the acceptable intake level
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Define Some Food Related Problems in parkinson's disease? As the disease progresses some food related difficulties appear. These are: 1. Difficulty in food preparation
Explain the Lactose Fermenters and Non lactose Fermenters 1) Lactose Fermenters - These produce acid on lactose fermentation, which results in red colouration on bacterial colo
How do the products of meiosis I differ from those of meiosis II? In meiosis I, the offspring cells are haploid but every cell contains two copies of the chromosome because th
When coal is heated strongly in absence of air, it forms a strong, porous, dense and coherent mass known as coke. This process of conversion of coal into coke is called carbonzatio
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