200以上 1 mm on ecg 509359-How many boxes is 1 mm on ecg リンクを取得 Facebook Twitter Pinterest メール 他のアプリ 9月 19, 2022 Heart rate 4 large square = 75 bpm On the EKG, locate a R wave that matches a thick line, count the number of large squares to the next R wave Heart rate is 300 divided by the 続きを読む
