She is frivolous, excitable, and narrow-minded, and she imagines herself susceptible to attacks of tremors and palpitations.
en.wikipedia.org These symptoms include palpitations, digestive problems, difficulty with body temperature regulation, and cognitive problems, especially deficits in memory, attention, and concentration.
en.wikipedia.org Other symptoms include diaphoresis (an excessive form of sweating), weakness, light-headedness, nausea, vomiting, and palpitations.
en.wikipedia.org If the person has discovered a way of stopping the palpitations, that is also helpful information.
en.wikipedia.org The accompaniment comprises flowing triplets in the flute, the palpitations of an excited heartbeat, over repeated chords in the strings.
en.wikipedia.org