An ST segment that is more than 1 mm above the isoelectric line:
A) indicates myocardial ischemia.
B) is clinically insignificant in lead II.
C) must be substantiated by a 12-lead ECG.
D) is a definitive sign of myocardial injury.
Answer: C) must be substantiated by a 12-lead ECG.
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Indicate whether this statement is true or false.
A 10-year-old child admitted to the emergency room with an acute asthmatic episode has received 3 aerosolized bronchodilator treatments and a dose of solu-mederol, IV. Auscultation prior to any treatment revealed inaudible breath sounds. Current auscultation reveals diminished breath sounds with expiratory wheezing. The therapist should conclude the bronchospasm is
A. worsening B. unchanged C. no longer present D. improving