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A 28-year-old woman suddenly has rapid palpitations accompanied by chest pain and dizziness while playing her cello. She is brought to an emergency department. She has a faint regular pulse of 190 beats per minute. Her blood pressure is 82/54 mm Hg. Cardiovascular examination reveals no signs of heart failure. An electrocardiogram shows a regular tachycardia with a narrow QRS complex and no apparent P waves. How should her case be managed?
A 28-year-old woman suddenly has rapid palpitations accompanied by chest pain and dizziness while playing her cello. She is brought to an emergency department. She has a faint regular pulse of 190 beats per minute. Her blood pressure is 82/54 mm Hg. Cardiovascular examination reveals no signs of heart failure. An electrocardiogram shows a regular tachycardia with a narrow QRS complex and no apparent P waves.