Which is TRUE about sinus arrest and sinus exit block?
A)Sinus exit block is an irregular rhythm; sinus arrest is regular.
B)Sinus arrest always ends in an escape beat; sinus exit block doesn't.
C)Sinus arrest and sinus exit block can both result in decreased cardiac output.
D)The pause in both sinus exit block and sinus arrest is a multiple of the R-R intervals.

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The Answer of Which is TRUE about sinus arrest and sinus exit block?
A)Sinus exit block is an irregular rhythm; sinus arrest is regular.
B)Sinus arrest always ends in an escape beat; sinus exit block doesn't.
C)Sinus arrest and sinus exit block can both result in decreased cardiac output.
D)The pause in both sinus exit block and sinus arrest is a multiple of the R-R intervals.

Which Is TRUE About Sinus Arrest and Sinus Exit Block