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Review Question - QID 213374

Atrioventricular (AV) Heart Block Atrioventricular (AV) Block AV Blocks Types Electrocardiogram Findings Treatment   Comments First degree AV block ↑ PR interval (> 0.2 secs) 1:1 ratio of P waves and QRS complexes No treatment is required unless other ECG changes (prolonged QRS)   Typically s QID: 213374 (M2.OMB.19.4756)
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QID 213374 (Type "213374" in App Search)
A 33-year-old man presents to the emergency department with severe anxiety. He has had multiple episodes in the past treated with low dose lorazepam. The patient states that he feels as if he is going to die and that he cannot breathe. His past medical history is notable for depression and anxiety. His temperature is 98.1°F (36.7°C), blood pressure is 122/83 mmHg, pulse is 153/min, respirations are 13/min, and oxygen saturation is 98% on room air. The patient is given a low dose of lorazepam and reports a complete resolution of his symptoms. An ECG is performed and demonstrates prolongation of the P-R interval with a widened QRS complex. There is a P wave preceding every QRS complex, no dropped QRS complexes, and the P-R interval does not change. His initial lab values are unremarkable. Which of the following is the best management of this patient?
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