Isoflurane can rapid induction of anesthesia, the patient recovered from anesthesia is faster. Isoflurane had mild irritation, which limits its induction rate, but the throat and the trachea bronchial secretion is not much. Throat reflection can alleviate quickly. Isoflurane anesthesia level changes quickly. The drug is a kind of deep breathing inhibitors, therefore must pay close attention to breathing and provide respiratory support when necessary. Anesthesia increase, reduce tidal volume but breathing rate unchanged. Respiratory depression can part by surgical stimulation inside. Sigh isoflurane can stimulate sexual response, similar to that of desflurane anesthesia in the ether and grace to see, but the frequency is far lower than the desflurane.
Anesthesia to blood pressure lowering but operations to stimulate the deflection to the normal direction. Anesthesia level increases with the corresponding drop in blood pressure. N2O reduction in inhaling isoflurane concentration, so the blood pressure lowering effect is weak in the use of isoflurane. Rhythm of the heart no abnormal change. Under the condition of the control of ventilation and PaCO2, cardiac output by increasing heart rate compensation per the decrease of cardiac output and maintain stability. Naturally occurring in the process of ventilation hypercarbia blood disease further stimulate the heart rate increases, the cardiac output is higher than the level of the waking state. Isoflurane can't make the experimental dog myocardial adrenaline increased sensitivity of exogenous. Limited experimental data show that subcutaneous injection of 0.25 mg epinephrine for isoflurane anesthesia patients of ventricular arrhythmias without aggravating tendency.
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