What is the rate for sinus tachycardia?

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Multiple Choice

What is the rate for sinus tachycardia?

Explanation:
Sinus tachycardia means the heart’s rhythm stays normal in pattern, but the rate is increased because the sinoatrial node is firing faster than usual. The resting adult heart rate is normally 60–100 beats per minute, and tachycardia starts when it rises above 100. In sinus tachycardia, the rate commonly falls in the 100–160 beats per minute range as the body responds to triggers like exercise, fever, anxiety, pain, dehydration, anemia, hyperthyroidism, or drugs. Very high rates (approaching 180 bpm or more) are less typical for sinus tachycardia and may suggest another arrhythmia or an extreme sympathetic state. So the range that best fits this pattern is 100–160 bpm.

Sinus tachycardia means the heart’s rhythm stays normal in pattern, but the rate is increased because the sinoatrial node is firing faster than usual. The resting adult heart rate is normally 60–100 beats per minute, and tachycardia starts when it rises above 100. In sinus tachycardia, the rate commonly falls in the 100–160 beats per minute range as the body responds to triggers like exercise, fever, anxiety, pain, dehydration, anemia, hyperthyroidism, or drugs. Very high rates (approaching 180 bpm or more) are less typical for sinus tachycardia and may suggest another arrhythmia or an extreme sympathetic state. So the range that best fits this pattern is 100–160 bpm.

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