10 free SPEX practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
SPEX Practice Test 4Tutor mode
Question 1 of 10
Patient Care: Management
A 68-year-old woman comes to the emergency department because of palpitations and mild fatigue for 2 days. She has hypertension treated with lisinopril. She has no chest pain, dyspnea, or history of heart failure. Temperature is 36.9°C (98.4°F), pulse is 140/min and irregular, respirations are 16/min, and blood pressure is 136/82 mm Hg. Oxygen saturation is 97% on room air. The lungs are clear, and there is no edema. A lead II rhythm strip is shown. Serum electrolyte and thyroid-stimulating hormone concentrations are within the reference ranges. Bedside echocardiography shows normal left ventricular systolic function. Which of the following is the most appropriate initial pharmacotherapy?
Rhythm strip
Lead II rhythm strip recorded on arrival (6 seconds).