intraaortic balloon pump
Definition: an externally actuated and intermittently inflatable balloon placed into the descending aorta and that, on activation during diastole, augments blood pressure and organ perfusion by its pulsatile thrust; then, on deflation, decreases the cardiac work with each systole—the so-called counterpulsation principle—by reducing cardiac afterload.
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Examples: glitazone, GI cocktail, etc.