Do you know these words?

• はやい（みゃくが〜/こどうが〜）

  to be fast(pulse/heart beat) ; to be quick(pulse/heart beat)

• ふせいが　ある

  to have an irregular heartbeat

• みだれる（みゃくが〜/しんでんずが〜）

  to become irregular (pulse/EKG)

• みゃくが　とぶ

  one's pulse skips a beat

• みゃくが　よわい

  one's pulse is weak.