An 83-year-old male who was on the telemetry unit for a hear…

An 83-year-old male who was on the telemetry unit for a heart failure exacerbation has been transferred to the intensive care unit due to new onset atrial fibrillation with a rapid ventricular response. He was given a diltiazem bolus followed by a continuous diltiazem infusion without successful rate control. It has been less than 48 hours and direct current cardioversion is being considered. The success of electrical cardioversion is inversely proportional to which of the following?

An NP is called to assess a 76-year-old female patient who h…

An NP is called to assess a 76-year-old female patient who has a known history of systolic heart failure. The patient is being admitted to the hospital with complaints of couch orthopnea and declining activity tolerance. Oxygen saturations are lower than her usual baseline and a chest x-ray demonstrates pulmonary venous hypertension.  Which is the initial intervention in the treatment of this patient?

A patient presents to the emergency department (ED) with acu…

A patient presents to the emergency department (ED) with acute-onset chest pain radiating to his jaw and down his left arm. During evaluation he becomes unresponsive and pulseless. His ECG demonstrated wide complex tachycardia. ECG7.jpg Which of the following answer choices is most correct regarding the underlying rhythm and coinciding appropriate treatment for this patient?