The arrhythmia in which P waves cannot be identified because of rapid multiple electrical signals that fire from areas of the atria other than the SA node is ____.
A. atrial fibrillation
B. PVCs
C. ventricular fibrillation
D. bundle branch block
E. ventricular tachycardia
A. atrial fibrillation
In atrial fibrillation, impulses from areas of the atria other than the SA node appear in the ECG tracing, masking the P waves.
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A) Both pupils constrict. B) The right pupil constricts; the left does not. C) Both pupils dilate. D) The left pupil dilates; the right does not.
Blood clotting occurs in a series of steps known as a(n):
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a. 10% c. 25% b. 75% d. 60%
Write the correct spelling for each of the following. brackeesefalick