ANATOMY

GENERAL ANATOMY

CARDIOVASCULAR SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is bradycardia?
A
Lower resting heart rate
B
Increase in the size of the heart
C
Decrease in the size of the heart
D
Higher resting heart rate
Explanation: 

Detailed explanation-1: -Bradycardia (brad-e-KAHR-dee-uh) is a slow heart rate. The hearts of adults at rest usually beat between 60 and 100 times a minute. If you have bradycardia, your heart beats fewer than 60 times a minute.

Detailed explanation-2: -Key takeaways: Low heart rate, or bradycardia, is a heart rate below 60 beats per minute.

Detailed explanation-3: -Doctors consider a low heart rate to be 60 beats per minute (bpm) and below. In fact, if you have bradycardia, you’ll have a low resting heart rate below 60, even when you’re awake and active. In contrast, a normal range is 60 to 100 bpm while awake.

Detailed explanation-4: -"In certain cases, a lower resting heart rate can mean a higher degree of physical fitness, which is associated with reduced rates of cardiac events like heart attacks, ” says Dr. Jason Wasfy, director of quality and analytics at Harvard-affiliated Massachusetts General Hospital Heart Center.

Detailed explanation-5: -The normal range is between 50 and 100 beats per minute. If your resting heart rate is above 100, it’s called tachycardia; below 60, and it’s called bradycardia. Increasingly, experts pin an ideal resting heart rate at between 50 to 70 beats per minute.

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