Supraventricular tachycardia: it's defined as having a faster-then-normal heartbeat. there's many causes such as thyroid disease, caffeine, medications, or even stress.
Sinus tachycardia: it's a sinus rhythm with an elevated rate of pulses with a rate greater than 100 beats/min
<em>Hope this helps! :)</em>
A and B are both close, but A should be the answer. If yo need to get somewhere a certain amount of time, you need to be quick so you won't be late.
Answer: If your a heavy drinker, your body may rebel at first if you cut off all alchol. You could break out in cold sweats or have a racing pulse
Explanation: Hope this helps