객관식
If heart rate increases, which of the following changes would you expect to see on an electrocardiogram (ECG)?
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18. The Heart
Electrocardiogram (ECG)
객관식
A varsity athlete went for their physical, which included an ECG. The doctors noticed that the student’s heart rate was unusually low, but they told the student not to worry. What term would the doctors include in their chart to describe the student’s heart?
A
Fibrillation.
B
Bradycardia.
C
Heart Block.
D
Tachycardia.
검증된 단계별 안내1
Understand the context: The problem describes a situation where a varsity athlete has an unusually low heart rate detected during an ECG.
Identify the key term: The term that describes a low heart rate is 'Bradycardia'.
Clarify the term: Bradycardia is a condition where the heart rate is slower than normal, typically defined as fewer than 60 beats per minute in adults.
Differentiate from other terms: Fibrillation refers to irregular heartbeats, Tachycardia refers to a fast heart rate, and Heart Block refers to a delay or obstruction in the heart's electrical system.
Conclude the explanation: The doctors would use the term 'Bradycardia' in the chart to describe the student's low heart rate, indicating it is not a cause for concern in this context.
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