Which treatment should the nurse be prepared to administer for a client with paroxysmal supraventricular tachycardia?

In the context of paroxysmal supraventricular tachycardia (PSVT), a highly effective treatment option is intravenous adenosine. Adenosine works by temporarily interrupting the conduction through the atrioventricular (AV) node, which can effectively restore normal heart rhythm when administered quickly, often resulting in a rapid conversion from the tachycardia back to sinus rhythm.

Additionally, intravenous beta blockers can also be utilized in the management of PSVT. These medications decrease the heart rate by blocking the effects of adrenaline on the heart, thereby stabilizing the cardiac rhythm and preventing further episodes.

Synchronized cardioversion is another option in more severe cases where the patient experiences hemodynamic instability. This procedure involves delivering a shock to the heart at a specific phase of the cardiac cycle, allowing for a quick return to normal rhythm, especially when rapid medical intervention is needed.

Given that all these treatments can be effective for managing paroxysmal supraventricular tachycardia, the correct response is that the nurse should be prepared to administer any of them, as each has its specific indications based on the patient's condition and response to treatment. This reflects a comprehensive approach to treating this type of arrhythmia effectively.