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 B
Explanation
A. The excitement of family does not indicate an infection risk. Emotional support can aid recovery.
B. Handling cat litter, which can contain bacteria, is a potential source of infection. Given the client's sternal wound, exposure to such bacteria increases the risk of infection, including sepsis.
C. Attending a party may present social interaction risks, but it is not as directly related to infection risk as handling cat litter.
D. Having the water turned on does not pose a significant risk for infection or sepsis.
Correct Answer is A
Explanation
A. This statement indicates that the client may not fully understand the care required for the drainage tubes. Drainage tubes typically do not "fall out" on their own; they need to be removed by a healthcare provider. The client should be instructed to care for the tubes, monitor drainage, and report any concerns to their healthcare provider.
B. It is appropriate to measure the drainage each day and report it if it exceeds the expected amount. This helps ensure that the surgical site is healing properly.
C. The client should be cautious with the positioning of the drainage tubes to avoid kinking or pulling, which could interfere with drainage and cause complications.
D. A foul odor from the drainage could indicate an infection, so it is appropriate for the client to contact their primary healthcare provider if this occurs.
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