EKG AcquisitionPregunta 45 de 100
An anxious, cold patient produces a tracing with irregular jagged spikes that obscure the small waveforms. What artifact is this and what is the best first correction?
a.Wandering baseline; ask the patient to hold his breath
b.AC interference; unplug nearby equipment
c.Somatic tremor; warm and reposition the patient so the limbs are supported and relaxed
d.Loose electrode; reapply the chest leads
Explicación
Somatic tremor is muscle-movement artifact from shivering, tension, or involuntary motion, and it is corrected by warming the patient, supporting the arms and legs on the bed, and coaching him to relax. Wandering baseline drifts up and down slowly with respiration. AC interference is a uniform 60-cycle band, and a loose electrode affects only the lead it belongs to.
Practica las 100 preguntas gratis — sin registro.
Preguntas relacionadas de este tema
- Where should the limb electrodes be placed for a standard 12-lead EKG?
- A 12-lead tracing shows an inverted P wave, inverted QRS, and inverted T wave in lead I, while the chest leads look normal. What is the most likely cause?
- A tracing shows a uniform, thick, fuzzy baseline with small spikes occurring exactly 60 times per second across all leads. What is the most likely cause?
- A tracing shows the baseline slowly drifting up and down in a wave pattern that matches the patient's breathing. What should the technician check first?
- What does the standardization mark on an EKG tracing indicate when it is 10 mm tall?
- At the standard paper speed, how much time does one small box represent, and what is that speed?
Última revisión: · proceso editorial
Equipo Editorial de PrepPass · Verificado con NHA Certified EKG Technician (CET) Exam · Cómo revisamos