Effect of Magnesium on Remifentanil Induced Cough

Inclusion Criteria: * Patients aged 20-75 years of age who are undergoing surgery under general anesthesia using a laryngeal mask and who have consented to participate in this study among American Society of Anesthesiologists body grade 1 or 2 Exclusion Criteria: * When coughing may occur due to an underlying disease (upper respiratory infection, rhinitis, post nasal drip, asthma, chronic obstructive pulmonary disease, pneumonia, bronchitis, current smokers, etc.) * If you have kidney disease that can affect magnesium metabolism (glomerular filtration rate less than 60) * If you are taking opioid analgesics or magnesium for other reasons * Patients with hypermagnesemia * Patients with atrioventricular block (stages I-III) or other cardiac conduction disorders * Pregnant or lactating women * Patients with myasthenia gravis * Patients taking drugs that are contraindicated or interact with magnesium (barbitalates, aminoglycoside antibiotics, isoniazid, chlorpromazine, digoxin) * In case of hypersensitivity to magnesium * Patients with a history of hypersensitivity to propofol and any of its components * Patients with a history of hypersensitivity to remifentanil and other fentanyl analogues