CLINICAL MEDICINE

MEDICINE

CARDIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A regular but unusually slow heart beat (less than 60 bpm) is known as:
A
Sinus tachycardia
B
Sinus bradycardia
C
Normal sinus rhythm
D
None of the above
Explanation: 

Detailed explanation-1: -If you have bradycardia, your heart beats fewer than 60 times a minute. Bradycardia can be a serious problem if the heart rate is very slow and the heart can’t pump enough oxygen-rich blood to the body. If this happens, you may feel dizzy, very tired or weak, and short of breath.

Detailed explanation-2: -Bradycardia is a slower than normal heart rate. A normal adult resting heart rate is between 60 – 100 beats per minute (bpm). If you have bradycardia, your heart beats fewer than 60 times a minute.

Detailed explanation-3: -These cells are in the sinoatrial (SA) node. Normally, the SA node fires the signal at about 60 to 100 times per minute at rest. In sinus bradycardia, the node fires less than 60 times per minute. Bradycardia means a slow heartbeat.

Detailed explanation-4: -Bradycardia is a heart rate that’s too slow. What’s considered too slow can depend on your age and physical condition. Elderly people, for example, are more prone to bradycardia. In general, for adults, a resting heart rate of fewer than 60 beats per minute (BPM) qualifies as bradycardia.

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