Stars have fascinated us since the beginning of history. For eons, mankind has looked to the heavens and wondered at the stars in the sky. Ancient people believed they could see shapes among the stars.
Beta-lactam antibiotics. Î²-Lactam antibiotics are the most widely used class of drugs for the treatment of bacterial infections and have been prescribed for over 70 years (Crowder, Spencer, & Vila, 2006; Daumann, Schenk, & Gahan, 2014; Page & Badarau, 2008; Phelan et al., 2014). From: Advances in Protein Chemistry and Structural Biology, 2014
When beta blockers are used in patients with heart failure, they should be considered disease-modifying agents rather than ârescueâ agents. Their utility lies in blocking the neurohormonal cascade that leads to progression of the disease, not in providing immediate symptomatic relief.nless contraindicated, beta blockers should be considered a mainstay of therapy in these patients to improve symptoms and mortality and to decrease hospitalizations. None of the trials described in this article tested the use of beta blockers in patients with NYHA class I disease.