EKGCâu 77 / 100
An EKG shows a baseline that gradually drifts up and down across the tracing. This wandering baseline is most often caused by:
a.Patient movement, respiration, or loose/dirty electrodes
b.A normal heart rhythm
c.Sixty-cycle interference from equipment
d.Ventricular fibrillation
Giải thích
A wandering baseline is a slow up-and-down drift usually caused by patient movement or respiration, or by loose or poorly attached electrodes and dried gel. Ensuring good skin prep and secure electrode contact corrects it. Recognizing it as artifact prevents mistaking it for a rhythm abnormality.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- A cardiac monitor shows a regular rhythm with a P wave before each QRS at a rate of 48 beats per minute. This is best described as:
- A monitored patient's rhythm is regular with a normal-appearing complex and P waves, at a rate of 120 beats per minute. This is best described as:
- An EKG tracing shows fuzzy, erratic spikes in the baseline caused by the patient shivering. What is the most likely cause of this artifact?
- A tracing shows a uniform, thick, fuzzy line with small regular spikes about 60 times per second. This artifact is most consistent with:
- An EKG shows an irregularly irregular rhythm with no clearly identifiable P waves. This is most consistent with:
- A cardiac monitor suddenly shows a flat line and the patient is unresponsive with no pulse. After confirming the patient and checking leads, what does this rhythm represent and what is the priority?
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