Question Your patient has tachycardia with a heart rate of 200 beats per… Your patient has tachycardia with a heart rate of 200 beats per minute with pulses; his systolic blood pressure is 80 mm Hg; he is lethargic. Of the options provided, which is the best first step?Perform immediate unsynchronized cardioversionGive adenosine 6 mg IV rapid pushGive amiodarone 150 mg IVObtain an ECG to determine the specific rhythmNext Health Science Science Nursing PHARM 507 Share QuestionEmailCopy link Comments (0)