You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is A calcium channel sensitizer approved for use in treatment of Congestive Hea failure is- and explain in detail?
levosimendan is a calcium channel channel sensitiser used in CHF Levosimendan is a calcium sensitiser that can be administered intravenously (IV) to patients with acute decompensated congestive hea failure (CHF). At therapeutic dosages levosimendan enhances myocardial contractility without increasing oxygen requirements, and causes coronary and systemic vasodilation. Ref Davidson edition23rd pg 463