a nurse is taking the blood pr4essure of a client with hypertension.the first sound is heard at 140 mm hg , the secong sound is swishing sound heard at 130 mm hg, a tapping sound is heard 100 mm hg , a muffled sound is heard at 90 mm hg , the sound disappears at 72 mm hg . when recording just the systolic and diastolic readings , what is the distolic preasure?