10-25-2007, 01:53 PM
A 50-year-old man is brought to the emergency room with substernal chest pain. An electrocardiogram is
performed, which demonstrates ST segment elevation and T wave inversion. Several hours later the patient
develops an arrhythmia. The electrocardiogram shows random electrical activity without recognizable QRS
complexes. Which of the following descriptions best describes this arrhythmia?
A. Accelerated idioventricular rhythm
B. Accelerated junctional rhythm
C. Premature ventricular contraction
D. Ventricular fibrillation
performed, which demonstrates ST segment elevation and T wave inversion. Several hours later the patient
develops an arrhythmia. The electrocardiogram shows random electrical activity without recognizable QRS
complexes. Which of the following descriptions best describes this arrhythmia?
A. Accelerated idioventricular rhythm
B. Accelerated junctional rhythm
C. Premature ventricular contraction
D. Ventricular fibrillation