A nurse is evaluating a telemetry strip that shows an irregularly irregular rhythm, no identifiable P waves, and a ventricular rate of 110/min.
The client reports palpitations. How should the nurse document this strip in the medical record?
Atrial Fibrillation.
Sinus Tachycardia with a heart rate of 120 beats per minute.
First degree heart block.
Ventricular Tachycardia.
The Correct Answer is A
This scenario requires the application of electrocardiography interpretation skills to identify specific cardiac arrhythmias based on rhythm regularity, presence of P waves, and heart rate. Recognizing atrial fibrillation is essential for determining appropriate anticoagulation and rate control interventions for telemetry clients.
Choice A rationale
Atrial fibrillation is characterized by an irregularly irregular rhythm and a lack of discernible P waves. The rapid, disorganized electrical activity in the atria leads to ineffective pumping and increased risk for thromboembolic events or symptomatic palpitations.
Choice B rationale
Sinus tachycardia follows a regular rhythm with identifiable P waves preceding every QRS complex. The rate is typically between 101 and 150 beats per minute. This does not match the irregularly irregular rhythm or absent P waves described.
Choice C rationale
First degree heart block involves a delayed conduction through the atrioventricular node, resulting in a prolonged PR interval greater than 0.20 seconds. However, the rhythm remains regular with a 1 to 1 ratio of P waves to QRS.
Choice D rationale
Ventricular tachycardia presents as three or more consecutive premature ventricular contractions with a rate usually exceeding 100 per minute. It shows wide, bizarre QRS complexes and is typically a regular rhythm, which is inconsistent with this client strip.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","D","E"]
Explanation
The primary survey in trauma management focuses on life threatening conditions using the airway, breathing, circulation, disability, and exposure sequence. Knowledge of emergency stabilization techniques is required to prioritize rapid assessment and immediate interventions for physiological survival during the initial encounter.
Choice A rationale
Cervical spine stabilization prevents permanent spinal cord injury during airway management. In trauma, any mechanism of injury involving high velocity or impact requires strict spinal precautions until the spine is radiographically cleared or physically assessed for stability.
Choice B rationale
Obtaining a comprehensive history is part of the secondary survey, specifically the AMPLE assessment. The primary survey focuses only on immediate life threats and physiological stabilization, delaying detailed data collection until the client is determined to be stable.
Choice C rationale
Elevating the head of the bed may compromise spinal alignment before clearance and is not a priority in the ABCDE sequence. Management typically focuses on maintaining a flat, supine position on a backboard to protect the spine.
Choice D rationale
The Glasgow Coma Scale assessment is a core component of the disability portion of the primary survey. It provides a standardized method to evaluate neurological status, including eye opening, verbal response, and motor response to stimuli.
Choice E rationale
Prevention of hypothermia is the exposure and environment stage of the primary survey. Maintaining normothermia is vital because hypothermia can lead to coagulopathy and metabolic acidosis, forming a lethal triad that significantly increases trauma mortality..
Correct Answer is C
Explanation
Electrical burns require understanding the path of current through the body. Because electricity follows the path of least resistance, it often travels through the heart. This necessitates applying knowledge of cardiac rhythm disturbances and immediate diagnostic prioritization.
Choice A rationale
Checking pulses is important to assess for compartment syndrome or vascular damage in the right hand and left foot. However, it is secondary to assessing the heart, as electrical current can cause immediate, fatal cardiac arrest.
Choice B rationale
Irrigating wounds is part of standard burn care but is not the priority for electrical injuries. The surface wounds often mask extensive internal tissue damage. Addressing potential cardiac conduction issues must occur before performing local wound cleansing.
Choice C rationale
Electrical current passing between hands and feet frequently crosses the heart. This can cause immediate dysrhythmias or delayed cardiac irritability. Continuous telemetry is vital to monitor for life-threatening changes in the heart's electrical activity and rhythm.
Choice D rationale
While the client may experience pain, the report of chest tightness and lightheadedness suggests a cardiac or hemodynamic event. Administering opioids before stabilizing the cardiac status could mask symptoms or further complicate the clinical assessment process..
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