Your 69-year-old patient awoke with severe dyspnea and is only able to talk in two- to three-word bursts. Her skin is cool, pale, and diaphoretic with labored respirations at 30 with an SpO₂ of 80% on room air. She has audible wheezes and rales with pitting edema peripherally. She has an irregular heart rate of 100 to 110 bpm, and her ECG shows A-fib with no obvious pathological ST elevation or depression. Her blood pressure is 160/100 in an upright sitting position. She has a history of COPD, hypertension, and congestive heart failure. Which of the following would be a first-line medication for this patient?

Which medication is contraindicated in patients with acute narrow-angle glaucoma because it may increase intraocular pressure?

which vertebrae is the largest?

A 28-year-old female is the restrained driver in a high-speed, head-on MVC with severe deceleration. She is awake and oriented but complains of chest pain radiating to her back. Vitals: BP 92/54, HR 118, RR 26, SpO₂ 94% on high-flow O₂. Physical exam reveals diminished pulses in the lower extremities compared to the upper extremities. Breath sounds are equal bilaterally, and there are no signs of JVD, tracheal deviation, or muffled heart tones. Which of the following is the MOST likely cause of her presentation?

Which storage method is recommended for an avulsed tooth?