In order to call a cardiac rhythm "paroxysmal" supraventricular tachycardia, you would have to:
A) witness its onset and/or spontaneous termination.
B) confirm the pacemaker origin with a 12-lead ECG.
C) observe a consistent heart rate greater than 150 beats/min.
D) ask the patient when he or she began feeling palpitations.
Answer: A) witness its onset and/or spontaneous termination.
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The term for a group of diagnoses with similar use of resources is:
a. DSR. b. DGR. c. DRG. d. SRD.
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The ________ predicts that there will be no statistical difference between the means of groups.
A. two-tailed test B. alternative hypothesis C. null hypothesis D. one-tailed test
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