A nurse is reviewing the EKG strip of a client who is hypotensive and is complaining of leg cramping. Which of the following abnormalities on the client's EKG should the nurse interpret as a sign of hypokalemia?

A nurse in an urgent care center is assessing a client who reports a sudden onset of irregular palpitations, fatigue, and dizziness. The nurse finds a rapid and irregular heart rate on the cardiac monitor. Which dysrhythmias should the nurse expect to find on the EKG?

A nurse is teaching a client with angina pectoris about starting therapy with nitroglycerin tablets. The nurse should include which of the following instructions regarding how to take the medication?

The charge nurse is making assignments for clients on a cardiac unit. Which client should the charge nurse assign to a new graduate nurse?

A client comes to the emergency department with reports of three days of watery stools and emesis x 6 in the past hour. Upon assessment, the nurse notes vital signs are B/P 130/92 mmHg, heart rate 130 bpm, respiratory rate 18 bpm, and oxygen saturation of 98% in room air. The nurse puts the client on the cardiac monitor. What does the nurse anticipate will be the prescription by the medical provider?

A nurse is caring for a client who has developed a thrombus and is receiving heparin by continuous N infusion. The client asks the nurse how long will it take for the heparin to dissolve the clot. Which of the following responses should the nurse give?

A client has with Angina has been ordered to take sublingual NTG tablets. Which of the following instructions should the nurse include?

A client on the cardiac telemetry unit goes into Ventricular fibrillation and is unresponsive. Following initiation of the emergency call system (code blue), what is the next priority for the nurse in caring for the client?

A client is experiencing atrial fibrillation for 2 weeks and did not respond to medication therapy. The client is scheduled for an elective (outpatient) cardioversion. Which other procedure or test does the nurse anticipate this client will need?

The nurse notes a client in supraventricular tachycardia. The patient has a pulse and the cardiac monitor is at the bedside. The nurse understands electrical intervention is indicated. What button does the nurse push to ensure the electricity is delivered on the R wave? Refer to the picture.

A nurse is caring for a client who has a serum potassium level of 5.9 mEq/L. The provider prescribes polystyrene sulfonate. If this medication is effective, the nurse should expect which of the following changes on the client's ECG?