What should be chosen among the drugs as this patient's first aid kit is propranolol in the absence of Adenosine.
Adenosine infusion (12 to 18 mg bolus) reverses tachycardia in 85% of patients. Other options are diltiazem (0.25 mg/kg IV) or amiodarone (150 to 300 mg IV). Whenever possible, consider definitive treatment through radiofrequency ablation.
Are arrhythmias that suddenly accelerate the heartbeat and originate in the upper chambers of the heart (atria). They may be secondary to foci of abnormal electrical activity or to reentry circuits (accessory pathways, Wolff-Parkinson-White and nodal reentry).
With this information, we can conclude that what should be chosen among the drugs as a first aid kit for this patient is propranolol in the absence of Adenosine.
Learn more about arrhythmias in brainly.com/question/5609708