Conduction system impairment should be suspected if an irregular heartbeat is:
a. galloping.
b. paradoxical.
c. loud.
d. weak.
B
A patternless, unpredictable, irregular rate may indicate heart disease or conduction system im-pairment. A gallop is an abnormal regular heart rhythm with three sounds in each cycle resem-bling the gallop of a horse. Amplitude of the paradoxical pulse decreases on inspiration. Conduc-tion system impairment would not be suspected if an irregular heartbeat is loud or weak.
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