EMS responds to the report of an elderly female with palpitations. The patient's blood pressure is 100/76 and she has intact distal pulses. The patient reports mild retrosternal chest pain. There is no shortness of breath. The patient has a history of atrial fibrillation and called EMS when vagal maneuvers and an additional dose of metoprolol (prescribed) failed to correct the symptoms.
What is your diagnosis ?
What treatments would your crew consider?
12 LEAD ECG
