Question about supraventricular tachycardia

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New Member

Date Joined Apr 2006
Total Posts : 16
   Posted 1/14/2013 6:15 PM (GMT -6)   
I get sporadic bouts of my heart beating very fast and very irregularly. Usually feels like the sound of corn popping. Last time I had a serious bout it started with almost fainting, and wheezing like there was fluid deep in my lungs. I had to crawl to my supervisor's desk in the next cubicle to get her to call 911; I couldn't get up off the floor. I usually can't when this happens, and I usually have trouble breathing as well.

Recently I caught it with a stethoscope, and I heard, duh-TUH duh-TUH duh-TUH duh-TUH TUH TUH TUH TUH TUH TUH TUH TUH TUH TUH... TUH duh-TUH duh-TUH duh-TUH duh-TUH duh-TUH duh-TUH duh-TUH duh-TUH.....

There are two distinct rhythms here. They kept switching back and forth. Both rhythms were completely regular. The TUH-TUH-TUH was at the same rate as duh TUH duh TUH - just TUHS where duhs should be, no duhs. Kept switching quite abruptly back at forth and the overall rate never changed. After a couple of minutes of it it returned to normal.

Today I saw a cardiologist. Of course a stress test and a holter monitor found nothing.

When I described the above, he said it is supraventricular tachycardia. He said that sometimes the ventricles just take off at a rapid pace all by themselves.

He thinks I could also have atrial fibrillation but if it happens this sporadically there's a bat's chance in hell of ever catching it in the act.

I expected to learn more when I researched it, but instead I learn that supraventricular tachycardia is just a rapid heartbeat. If my ventricles were just taking off all by themselves that would be called something different, and it would also have the doctor far more worried about it than he is. Doesn't make a whole lot of sense; what would be the difference between supraventricular tachycardia and tachycardia? Did they invent the word supraventricular just to soothe hypochondriacs?

He's doing an echocardiogram to make sure my atria aren't enlarged. If not that's it.

Attacks most often happen during exercise or fast paced and physically demanding physical work. Occasionally they're provoked by caffeine or asthma medicine. Sometimes I have alot of them and sometimes I don't have any for long periods of time.

Can anyone shed light? What specifically does he mean by supraventricular tachycardia?

Regular Member

Date Joined Oct 2012
Total Posts : 144
   Posted 1/15/2013 1:20 AM (GMT -6)   
the trouble with svt is that your heart can beat so fast that it's not pumping blood resulting in low blood pressure. buy a bp checker and check your bp when it's going on. many years ago i took my step-daughter to the er with svt. in the er her pulse was 300 and bp was 0/0. they got it slowed down and brought the pressure up but it was scary. her problem was a little fiber in one of the chambers that over rides the sinus node which is the natural pacemaker. a cardiac ablation fixed her problem.

basically tachycardia or sinus tachycardia is normal rapid heart beat where the sinus node is controlling it. svt is usually when something interferes with the sinus node like i described above and overrides the sinus node.

type Differences Between Sinus Tachycardia and Supraventricular Tachycardia or something similar in your browser to find articles to read about the differences.
gout, sleep apnea, asthma, copd, high BP & cholesterol, Gerd, light headedness, muscle weakness.

USAF MSgt (E-7) Retired
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