*NURSING > QUESTIONS & ANSWERS > ATI Medical Surgical Nursing, Care of Patients with Dysrhythmias (All)
ATI Medical Surgical Nursing, Care of Patients with Dysrhythmias 1. A client’s cardiac status is being observed by telemetry monitoring. The nurse observes a P wave that changes shape in lead II. W... hat conclusion does the nurse make about the P wave? a. It originates from an ectopic focus. b. The P wave was replaced by U waves. c. It is from the sinoatrial (SA) node. d. Multiple P waves are present. ANS: A If the P wave is firing consistently from the SA node, the P wave will have a consistent shape in a given lead. If the impulse is from an ectopic focus, then the P wave will vary in shape in that lead. DIF: Cognitive Level: Comprehension/Understanding REF: p. 715 TOP: Client Needs Category: Physiological Integrity (Physiological Adaptation—Pathophysiology) MSC: Integrated Process: Nursing Process (Assessment) [Show More]
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