EVERYDAY SCIENCE

SCIENCE

CIRCULATORY SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Very fast heart beat is called.
A
Brachy cardia
B
Tachycardia
C
Spasm
D
Heart attack
Explanation: 

Detailed explanation-1: -Tachycardia (tak-ih-KAHR-dee-uh) is the medical term for a heart rate over 100 beats a minute. Many types of irregular heart rhythms (arrhythmias) can cause tachycardia.

Detailed explanation-2: -A fast heart rate may correct itself. But sometimes medication or other medical treatments are needed to slow down the heartbeat.

Detailed explanation-3: -The main symptom of supraventricular tachycardia (SVT) is a very fast heartbeat (100 beats a minute or more) that may last for a few minutes to a few days. The fast heartbeat may come and go suddenly, with stretches of typical heart rates in between.

Detailed explanation-4: -Strong emotional responses, such as stress, anxiety or panic attacks. Depression. Strenuous exercise. Stimulants, including caffeine, nicotine, cocaine, amphetamines, and cold and cough medications that contain pseudoephedrine.

Detailed explanation-5: -acebutolol (Sectral) atenolol (Tenormin) bisoprolol (Zebeta) metoprolol (Lopressor, Toprol-XL) nadolol (Corgard) propranolol (Inderal LA, InnoPran XL)

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