It is a dollar in the sense that the value of the note is stated in units of one dollar. The statutory authority for the creation and issuance of Federal Reserve notes is provided by Â§ 16 of the Federal Reserve Act (see 12 O.S.C. S 411).
Related to QRS interval: QT interval. the duration of the QRS complex in the electrocardiogram. In the electrocardiogram, the interval that denotes depolarization of the ventricles, between the beginning of the Q wave and the end of the S wave. Its normal duration is 120â200 msec. Shorter durations are found, e.g., in preexcitation. Longer durations are indicative of first-degree heart block.
Rate-depends on underlying rhythm Rhythm-usually regular; can be slightly irregular Pacemaker site-SA node or atria P waves-normal PR interval-greater than .20 sec QRS complex-usually less than .12 sec; may be bizarre in shape if conductive system disease exists in the ventricles.