A nurse leaves a coffee shop and sees a man lying on the ground. He is unresponsive and has no pulse and the nurse begins chest compressions. EMS arrives and connects the cardiac monitor displaying this rhythm. Identify the rhythm.
Sinus Rhythm
Ventricular Tachycardia
Ventricular Fibrillation
Sinus Tachycardia
The Correct Answer is C
A. Sinus rhythm is the normal rhythm of the heart with regular P waves, QRS complexes, and T waves. The presence of a sinus rhythm would mean the heart is pumping blood effectively, so the client would not be pulseless. This is inconsistent with the clinical scenario.
B. Ventricular tachycardia (VT) is a fast, regular rhythm originating in the ventricles. VT can lead to pulselessness if not treated, but it has distinct QRS complexes that are wide and regular, unlike the chaotic waveform seen in VF.
C. Ventricular Fibrillation appears as rapid, chaotic electrical activity without identifiable P waves, QRS complexes, or T waves. This rhythm prevents the heart from pumping blood, causing the client to be pulseless and unresponsive. VF is the most common arrhythmia associated with sudden cardiac arrest and requires immediate defibrillation.
D. Sinus tachycardia is a fast heart rate (>100 bpm) with regular rhythm, identifiable P waves, and QRS complexes. This rhythm typically occurs in response to stress, fever, or hypovolemia, and the client would have a pulse, which contradicts the scenario.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["900"]
Explanation
Calculate the actual urine output:
Total output - Irrigation solution = Actual urine output
2500 mL (total output) - 1600 mL (irrigation solution) = 900 mL (actual urine output)
Correct Answer is C
Explanation
A. Serum insulin levels reflects short-term insulin secretion but does not indicate long-term glucose control.
B. Hemoglobin levels relate to anemia, not glucose control.
C. Hemoglobin A1C level reflects the average blood glucose over the past 2-3 months, providing an excellent measure of long-term control.
D. Fingerstick fasting blood glucose level reflects glucose levels at the moment of testing, not long-term control.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today