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 In the sodium-calcium exchanger (NCX), the ratio of Na+ : Ca++ exchange per event is: and explain in detail?
NCX (sodium and calcium exchanger) is present in the myocardial fiber. It exchanges 3 Na+ with 1 Ca++. That is, 3 sodium ions are moved out of the cell for every 1 calcium ion brought in (L type Ca channels).