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 Had second heart attack last year.?
Cardiologist suggested another doctor Do an ablation. Good results but I had a difficult time with Anisia. Not much attention to my condition. Two weeks later my cardiologist Gave me an angioplasty. ...


 what foods r good to lower blood pressure?
m44...


 Could high cholesterol cause?
short term and procedural memory problems? Could blood sugar cause it? could recent anger cause it? thinking problems - the inner voice that causes you to hear your thoughts I've been ...


 My heart kind of hurts, I'm really scared, what's wrong??!?
It has been hurting ever since my parents earlier were saying all this stuff on how I'm dumb and such..and today's my birthday. So I got really upset and just wrote in my journal, but then ...


 70% block in distal R.C.A and 90%block in mid part of R.C.A. wat is the treatment required?
before 10 years there was block in L.A.D which has resolved to some extent with the medication. so please suggest at this state is angioplasty required or medications should be ...


 Is My Heart rate too high?
i am 16 years old, weigh seven and a half stone and am 5ft 7. i eat alot of food but because my metabolism is so high, i dont gain weight, i am not under weight, i am a size eight and american size 6....


 my hdl cholestrol is 60mg and ldl is 124,is ti ok?
hdl chol ratio is 4 and ldl/hdl chol ratio is 2 please tell what should i ...


 chest pain yesterday... is it my heart?!?
Basically, yesterday I was in Spain. I got quite badly sunburnt the day before, so I guess it may be linked to that. I was in the supermarket, and suddenly I got a really bad shooting pain going ...


 i wanna ask that if anabolic supplements causes heart attack ?im only talking about supplements not steroid?
actually im currently using 3-4 different supplements at a time ... im not exceeding the doze mentioned on the supplements but what the confusion i have right now is this that is it safe to have 3 - 4...


 What hospitals in the US are performing the PAVR procedure for aortic stenosis patients?
Also what has been the success rate of this procedure? Thank you for your answers....


 this is for only someone who has had a stroke or knows someone who has had one.?
tell me the symptoms you had when you or someone you had had a stroke. best answer wins the points!...


 can you tell me symptoms you had when you or someone you know had a stroke. or migraines?
I just want to hear some of the symptoms to compare. thanks!...


 Is barley high in potassium?
If the label does not list potassium does it mean it does not have it?I would like a book - my husband has kidney disease and must limit potassium. I...


 I have problem with blood pressure?
I have been having a problem where I wake in the morning with low blood pressure & heart rate & have a high blood pressure & heart rate before bed. I am keeping track of it to show the ...


 Do I have a heart problem? What are these symptoms? PLEASE HELP.?
I'm a sixteen year old female, 5 ft 5 I weigh approx 12 stone, I have a family history of heart problems my father has a heart condition he had a huge build up of fatty tissue in the aterys and ...


 I knew my cholesterol has high and I did not do enough to stop it. As a result of that my coronary artery got?
clogged up and I had a heart attack 4 months ago. I had a stent placed in my hearth. Now the doctor prescribed me Plavix 75 mgs also aspirin 81 and he also put me on high blood pressure medicines ...


 Is their anything to help reduce or stabilize a aortic root cm. of 4.0 ?
...


 If you have surgery for a bicuspid aortic valve, what is it like after the surgery?
Do you stop having shortness of breath? Do you legs stop turning blue all the time? Do you stop getting dizzy?...


 What can warfarin users put on their cereal to moisten it.?
My husband is a diabetic, stroke survivor and now takes only prandin with meals, metformin, simvastatin and warfarin and lisinopril. He is off of insulin shots but needs to stay on warfarin. What ...


 What medicines can speed up heart rate?
I went to my doctor and she said I had a high BP. I told her that I took excedrin tension headache and she said that was the cause of it. I was wondering what other medicines cause this and what ones ...



Nicole
At is the QT interval in ECG results? Plus what is a healthy QT interval for a 17 year old girld?
Mine was 412/421, is that normal?
                     




Donna B.
Rating
Hi Nicole, Your QT interval varies with your heart rate. It is longer when your heart rate is slower and decreases when your heart rate is faster. It can also vary with medication's that you take or if your electrolytes are abnormal. There is a measured Qt interval (which is the first number you listed) then there is a corrected Qt interval (which is the second number you listed) The 2nd number which the corrected QT interval has a formula called the Bazett equation which corrects your Qt to your heart rate. Your QT was normal for your heart rate at the time but there is no normal value. The bazette equation to correct it for heart rate is QT measured divided by the sqare root of the R-R in seconds., take care, Donna


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