Multiple Choice
Atrial fibrillation is characterized by _____.
A) an erratic, wavy baseline and irregular ventricular rhythm
B) "saw-tooth"- or "picket-fence"-shaped waveforms preceding each QRS
C) one P wave before each QRS and a regular ventricular rate of 60 to 100 beats/min
D) P waves occurring before, during, or after the QRS complex; when seen, they are inverted
Correct Answer:
Verified
Correct Answer:
Verified
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