The Effects of Sevoflurane and Desflurane on QT Interval Measured With Cardiac Electrophysiological Balance Index

Exclusion Criteria

• •1. bundle branch block in preoperative ECG,
• •2. Non-sinus heart rhythm,
• •3. QT length in preoperative ECG,
• •4. using drugs that cause known QT prolongation ( beta-blocker drugs using will be included),
• •5. development of malignant arrhythmia that will disrupt hemodynamics in the intraoperative period,
• •6. patients with electrolyte disorders,
• •7. patient refusal -