Figure 2. The pharmacological difference between levosimendan and dobutamine. The figure illustrates the distinct mechanisms of action of dobutamine and levosimendan. Dobutamine mainly activates β1-AR ...

21 Thus it is conceivable that different mechanisms may contribute to reducing the accuracy of dobutamine for identifying severely dysfunctional viable myocardium. Despite the theoretical limitations ...

The potential mechanisms of PSS have been reported by some researchers ... In a study by Celutkiene et al18 involving 60 patients who underwent dobutamine stress echocardiography, a velocity wave ...

Vasopressors included norepinephrine, epinephrine, dopamine, and dobutamine. Follow up began with the diagnosis ... but the influence and mechanism of these covariables on trajectory classes should be ...

"These findings illuminate a critical mechanism that connects local synaptic activity to the broader gene expression changes necessary for learning and memory," said Mark Dell'Acqua, professor of ...

The international team describes their results and the underlying molecular mechanism in Cell Metabolism. Ergothioneine is a natural compound found in certain fungi such as oyster or shiitake ...

Defense mechanisms are rooted in Freud’s theory of personality.According to his model, the mind has three dueling forces: the id (unconscious and primitive urges for food, comfort, and sex), the ...

Get Instant Summarized Text (Gist) Artificial motors have been developed to mimic muscle proteins, converting chemical energy into mechanical work. These nanoscale rotary motors, embedded in ...

Several observations from preclinical and short-term clinical studies support a role for sildenafil in the treatment of heart failure patients. The following discussion briefly considers each of ...