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Illustration of heart surgery, using the Medtronic Octopus instrument. The Octopus device has suction clamps that are placed on the surface of the heart and hold a small part of it in a stable position, allowing surgeons to operate on a beating heart, and thus bypassing the need to place the patient on a respirator.
Medical illustration of the mechanism of action of Synercid, a new antibiotic, on gram-positive bacteria for nosocomial infections. Synercid is a combination of quinupristin and dalfopristin, and together these drugs interrupt normal protein synthesis within the bacterial cell nucleus and cytoplasm.
Early and late alveolar injury in adult respiratory distress syndrome (ARDS). Early: diffuse injury to the alveolar capillary units, with associated pulmonary edema due to extravasation of protein-rich fluid. Late: infiltration by inflammatory cells, hyaline membrane formation, and alveolar and interstitial fibrosis.