UKMLA PLAB AMC USMLE Prometric MCQ

Question Number 0501

Question:
A 45 year old man is rushed to the emergency room after an automobile accident. He has a fractured leg, scalp lacerations, and is confused. His blood pressure is 120/80, and his heart rate is 80 beats per minutes. An ECG is done and shows upright P waves, a PR interval of .12 seconds, a QRS complex of .08 seconds with a normal configuration. What is the most appropriate description of the ECG findings?

a) normal sinus rhythm
b) sinus tachycardia
c) complete heart block
d) atrial fibrillation
e) sinus arrhythmia