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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.
MITOCHONDRIA (Singular- MITOCHONDRION) These are conspicuous, hollow sac liked cell organelles found in all eukaryotic cells except mature red blood corpuscles RBC s
The complications that occur in the heart due to hypertension are left ventricular hypertrophy, diastolic dysfunction and cardiac failure. There is also associated coronary artery
Amoebae - Protozoan Amoebae may be naked or enclosed in tests or shells. The marine, freshwater and parasitic naked amoebae have large commonly tubular lobopodia or fine strap
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which organs are involved in respiration of annelid and what is it called ,what by products are formed and how amount of ATP is released?
What are food hydrocolloids? Food hydrocolloids are hydrophilic polymers of vegetable, animal, microbial or synthetic origin that generally contain many hydroxyl groups and ma
Explain the Copper Toxicity in Human? Acute copper toxicity in humans is rare and occurs due to inadvertent consumption of copper salts. Symptoms include vomiting, diarrhoea, h
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Explain Relative Quantitative difference of Protein Taxonomy This analysis involves the study between the amounts of different proteins and more significantly, of different con
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