QUESTIONS & DETAILED CORRECT ANSWERS
RATED 100% COMPLETE
1. normal
sinus heart rhythm originating in the sinoatrial node with a rate in patients at
rhythm rest of 60 to 100 beats per minute
2. Sinus Arrhythmia Appearance is ALMOST NORMAL:
Respiratory - Circulatory interaction
Rate INCREASES with INSPIRATION (IN=IN)
3. Sinus
Bradycar- dia <60
normal sinus rhythm
4. Sinus
Tachycar- dia
>100 (100-150)
normal sinus rhythm
5. Premature
Atrial
Contraction
(PAC) Heart Rate: Depends on underlying rhythm
Regularity: Interrupts the regularity of underlying rhythm
P-Wave: can be flattened, notched, or unusual. May be hidden within
the T wave PRI: measures between .12-.20 seconds and can be
prolonged; can be ditterent from other complexes
QRS: <.12 seconds
6. Sinus Ar-
rest/Paus
e
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, BASIC DYSRHYTHMIA-RELIAS EXAM
QUESTIONS & DETAILED CORRECT ANSWERS
RATED 100% COMPLETE
-SA node doesn't fire
-notice
absence of
P-wave for a
complete
cycle (a
missed
cycle)
length of
pause
`multiple of
normal rate
(block)
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