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NREMT Advanced EMT Practice Test #4

Category - EMT-I/99

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What is the identifying feature of sinus dysrhythmia?

Flat line
Stable angina
Irregular rhythm
Atrial contractions

Explanation

Answer - C - The identifying feature of sinus dysrhythmia is irregular rhythm. Sinus dysrhythmia is often a normal finding and is sometimes related to the respiratory cycle and changes in intrathoracic pressure. It can also be caused by enhanced vagal tone. In all other ways, it is identical to normal sinus rhythm.

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NREMT Advanced EMT Practice Test #4

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