This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Muscle relaxants, Subject name: Anaesthesia
Levosimendan is approved in 
Select and explain. 
A. Hea failure, B. Kidney failure, C. Liver failure, D. Endocrine crisis
A: Hea failure
Answer: A: Hea failure 
Explanation: Levosimendan is a calcium sensitizer -- it increases the sensitivity of the hea to calcium, thus increasing cardiac contractility without a rise in intracellular calcium.Has been approved for use in acute cardiac failure in EuropeKatzung 13e pg: 220