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FAQ - Tachycardia, Sinus
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Sinus Tachycardia and sinus bradycardia?


Sinus tachycardia is NOT come from the heart. What about sinus bradycardia? Where it comes from?

Sinus tachycardia is out of the cardiologist managed as was told it comes from anxiety, stress, panic attack...... Why sinus bradycardia needs a pacemaker and cardiologist wants to involve? I'm confused!
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Sinus bradycardia is beating of the heart slower than normal. This could be caused by several factors and has side effects such as tiredness, dizziness, and fainting. Installing a pacemaker could be one one of the ways to help speed the heart up to a normal heart beat. On the other end of the spectrum, sinus tachycardia is beating of the heart too fast. You were right when you stated that it is caused by stress. The reason that they don't put pacemakers in for people with sinus tachycardia is that it is easily cured with medications and a change in lifestyle, where as with sinus bradycarida these options are not as available as with sinus tachycardia.

To answer your first question both brady and tachycardia come from the heart, there could be other factors involved but both involve the heart.   (+ info)

WHY Sinus Tachycardia, Mobitz II and AF with fast VR are NEVER Caused by Digitalis??


Any sound explanation for this??
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Digoxin suppresses the sinus node, mainly due to increased vagal activity. So only sinus bradycardia can occur, not tachycardia

For the same reason AV nodal conduction is also slowed which causes ventricular rate to be slow in atrial fibrillation.

Mobitz type II block is due to conduction problem below the bundle of His, in the bundle branches, where digoxin has no effect. Hence Mobitz type II block cannot occur with digoxin toxicity.  (+ info)

what causes sinus tachycardia? isn't it normally a.....?


symptom of a bigger problem? would metoprolol be an appropriate drug for this? and for those that would answer- you need to go to a doctor- i'm not asking for me, I am merely clarifying something. i am a nurse but cardiac is not my expertise and a friend is looking for explanations for the terms her cardiologist uses during the 2 minutes he spends with her
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Ok ur a nurse then i ll go with little medical terminologies... look sinus tachy may be physiological... its just exaggeration of the normal rhythm... normal rhythm is generated by he sinus node in heart..when we run,or gets exited there is sympathatic nerve firing and that increses rate of discharge from sinus node that increases our heart rate..thats normal phenomenon... but in some pathological condition i dnt exactly remember this normal phenomenon gets exaggerated which means its continuously stimulated. that causes continuos high heart rate.. this is done by sypmathatic overactivity nerve receptors for this is called B receptors.. And metoprolol is B blocker so it blocks stimulating effect of B receptors.thus it helps to reduce the rate... but in many conditions its not worrysome but after all only a cardiologist can give proper advise after proper patient examinations and ECG or Echo..... So leave it on her cardiologist to decide whether is a benign situation or someproblematic, n whether she needs drugs or not.... hope this helped u... if any more queries..do ask me..tc bye  (+ info)

could this be sinus tachycardia?


i was on a low carb diet and lost almost 100lbs, after i did i started really having major tachycardia when i exersise and when i eat, it has progressivly got worse to the point where it wakes me up somtimes. I have has an eco, many ekgs, bloodwork etc. which did not turn up anything, the doctor put me on a low dose beta blocker which has helped a little but i still cant really run or do anything physical, does anybody have any idea on what this could be, please HELP!
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You should get a referral to a cardiologist. The cardiologist should put you on a holter monitor. You wear it for 24 hours and make a journal of what you are doing and what times. Then you turn it into the doctor. At least your doctor would have information to go on.  (+ info)

Anybody out there have inappropriate sinus tachycardia?


If so, how does it affect your life--fatigue, dizziness, lightheadedness, etc. Also, is your blood pressure normal, low or high? How long have you been dealing with it and do you take medication. Are you extremely sensitive to caffeine? Does anything else make it worse or aggravate it--heat, exercise, changing positions, etc. I have been dealing with IST for practically my whole life (I am 35). However I just found out what it was called! Thank you for your input.
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Well.. I have sometimes rather similar to you. I have SVT (Supraventricular Tachycardia) which causes my heart to race out of control every now and then. I have only been having symptoms of this for a few years but I am told that an extra electrode in my heart has been there my whole life, just never misfiring. When my heart is beating too fast it can cause dizziness and I do get lightheaded alot these days. My blood pressure is usually exactly 120/76 but I beleive it drops a bit. thats when I notice dizziness. I stopped drinking caffiene when I started having the attacks and yes it does help tremendously. Also, I am sensitive to MSG (monosodium glutamate) which is added to most every food you can buy.. and I have noticed after a meal that has it added. I get palapatations. I dont do much excersise but when I do get my heart rate up it hasnt triggered any of my attacks.. BUT I know I worry about it when I do excersise. Stress and anxiety also trigger my palapatations.

Anyways.. try doing a google search on your IST. You will probably get more info on it since I cant give you specifics. Alot of tachys are alike tho. Good luck to you and good health!  (+ info)

Sinus Tachycardia and anxiety?


I spoke with my GP this afternoon having been experiencing rapid heart rate for a few weeks now and now am getting palpitations. He told me that it is anxiety related. I have had dozens and dozens of blood tests and all levels were normal, I even had blood tests done in A & E two days ago which were related to heart conditions and I was told they were normal. However, I take beta blockers at the moment but they make the palpitations worse, the GP says it's anxiety.

But, can anxiety cause on-going sinus tachycardia? It seems that as soon as the beta blocker wears off the heart rate is up again! I was perfectly healthy until recently. I do have anxiety, but sometimes the rate goes up when I'm relaxed, and I feel it pounding.

If it is anxiety related is the tachy constant or on and off?
Does it cause the on-going sinus tachy? Or is it on and off? I'm very worried, I'm also getting skipped beats.
What is Zoloft? I'm from UK
Does that mean above 5 mins worth of episodes? And when the beta blocker wears off, if it is anxiety, surely if someone is relaxed their heart rate would remain steady? I'm confused.

They can't find a physical cause for it, hence all the bloods being good. But, can weight loss cause it?
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if your doctor's opinion is anxiety -then treat it.  (+ info)

In English what is "Sinus Tachycardia, rate 101,and probable LVH with st-t abnormalities?


i have a copy of actual print out if that helps
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Well, it is English; but maybe not the same English you're used to... ;)

With that, I'll run it down.

"Sinus Tachycardia": Sinus = the Sinus Node; which is one of the built in pacemakers of the heart. It is also the normal pacemaker the heart uses. Tachycardia = fast heart; meaning that the heart rate is fast. Sinus Tachycardia is therefore a fast heartbeat from the hearts normal pacemaker.

The heart normally beats from between 60 to 100 beats per minute. Sinus Tachycardia exists when the heart rate is above 100 (but below 160). There are other conditions and possibilities; but really this is beyond this discussion.

LVH = Left Ventricular Hypertrophy; or an enlarged left ventrical of the heart. Basically, the heart is seperated into two sides, with two chambers per side. The right side receives blood that needs oxygen from the body and pumps it to the lungs. This is also the "low pressure" side of the heart, as the lungs do not require a lot of pressure for the blood to flow. The left side receives blood that has oxygen from the lungs, and pumps it out to the body.

This is the "high pressure" side of the heart, as the body requires more pressure. An enlarged left ventical is a possible sign of peripheral vascular disease, or "bad pipes". Basically, it means that the heart has to push really hard to get the blood out; and that because of all this, the left ventrical of the heart has gotten bigger.

ST and T-wave abnormalites are consistent with the LVH; but can also be a sign of a heart attack, past heart attack, salt imbalance in the blood, and quite a few other possibilites. Without knowing how this patient presented and seeing the actual ECG it is difficult to determine what is really going on.

One more thing, if you are reading this information right off the top of the ECG print out, then quit worrying. I have seen the machine be wrong more times than it is right; and will often fold the top of the ECG over so I can't even see it before I evaluate it. On my own machine, the software has that "feature" disabled, so it is never actually on the print out.

Cheers  (+ info)

Sinus Tachycardia?


Have had sinus tachycardia for 3 years now and medication only helps a little. Doc suggested surgery. Has anyone had a successful surgery for this condition?
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no, they will never cardiovert you with sinus tachycardia. it would kill you. that is only used in v-tach and other near death rhythms. I need to know how fast your heart rate is. and salt could do more damage. salt is for low blood pressure. though it is possible you are compensating, but there are certain tests for that.also you might need 2 take 2 meds together. are you over weight? look at your lifestyle  (+ info)

Sinus tachycardia...?


Sinus tachycardia..... serious or not? life threatening?
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This is more commonly known as an overly fast heart rate (above 120 bpm at rest for a healthy person). S.T. can be caused by physical stressors such as illness or exercise. This is perfectly normal and should not be a concern, unless the rapid heart rate does not decrease to a normal resting rate.  (+ info)

Sinus Tachycardia.. Any other pregnant women dealing with this??


I am in my 20th week of pregnancy and was diagnosed with Sinus Tachycardia at about 11 weeks along..

I am concerend for the baby and would like to know if other mothers have dealt with this before? I am scared and I would like to have anyone to help let me know, how the baby did for them??

I need to have some answers for me!! I was wanting to know if the baby was born early, small, did the baby need special care?

I also wanted to know if you the mom was alright or did the Sinus Tachycardia get worse for you after the baby?? I also wanted to know if Breastfeeding helped or not??

Any information would help.. Thanks and God Bless!!
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oh my goodness I have never known anyone else to have sinus tachycardia before. It is horrible isnt it? I have had it for 12 years now but when I was twenty I grew out of it. But now I am 26 and 37 weeks pregnant and it is back. The doctor put me on Inderol it is the only medicine that has worked without side effects if it gets worse for you then you should try it. if you are not already on medication. most important thing for you to do is to get sleep and eat well and often. it will probably get worse I have had to go to the er once it got so bad. but it does not affect the baby. my baby is actually a little big for 37 weeks. so far no baby yet. I am being induced at 39 weeks and make sure you get a epidural so that way you can relax during labor. my doctor says i have no choice to. this is my second baby. and my son was perfectly healthy nothing wrong with him besides for jaundice. breastfeeding that i know of has nothing to do with it. i did breastfeed my son but it didnt do anything. email me if you have anymore questions at all
good luck to you!


donnyandmelissa@att.net  (+ info)

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