You may need a ventilator for those who are going to have surgical procedures with basic anesthesia (medication that makes you sleepy and stops you from experience suffering). The medicines useful for anesthesia can have an affect on your ordinary respiratory. A ventilator will help control your breathing. In 1949, https://franciscokqvzd.ktwiki.com/650471/the_single_best_strategy_to_use_for_hvls