A Client in the Emergency Department Complains of Chest Pain

A client in the emergency department complains of chest pain, diaphoresis, shortness of breath, lightheadedness, and dizziness. The cardiac monitor displays ventricular tachycardia at 180 beats per minute. What is the nurse's most immediate concern for this client?

A) The client may be experiencing a posterior myocardial infarction.
B) The client may suffer a cerebral vascular accident.
C) The client is at risk for development of a pulmonary embolism.
D) The client is at risk for cardiac death.