Fig. 1From: Anesthetic management of a patient with methamphetamine-associated pulmonary arterial hypertension undergoing laparoscopic cholecystectomyAnesthesia record. The ratio of mean pulmonary artery pressure to mean artery pressure (Pp/Ps) was increased from 0.36 to 0.58 after peritoneal insufflation, requiring an increase in the infusion rate of nitroglycerine. X: start and end of anesthesia; â—Ž: start and end of the operation. ABP, arterial blood pressure; HR, heart rate; PAP, pulmonary arterial pressure; Pp/Ps, the ratio of mean pulmonary artery pressure to mean artery pressureBack to article page