EKGPregunta 74 de 100
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.Normal sinus rhythm
b.Sinus bradycardia
c.Sinus tachycardia
d.Atrial fibrillation
Explicación
Sinus bradycardia is a regular sinus rhythm with a rate below 60 beats per minute, so a rate of 48 with normal P waves fits. It may be normal in athletes or during sleep but can cause symptoms if the rate is too slow. Symptomatic bradycardia should be reported to the nurse promptly.
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