has anyone w/ inappropriate sinus tachycardia been able to treat it entirely w/ calcium blockers or ablation?

Question

my pulse goes from 170 down to 60, back up to 170, etc. the EP doctor said ablation would lower my heart rate too much when it goes back down. and that medication will never lower it enough. he prescribed me a calcium channel blocker and said it will lower it about 20 beats combined with exercise, but i will never be "not" tachycardic.

+ is the exercise really safe? this puts my hr at 180+
+ is having this up down tachycardia for the rest of my life going to damage my heart?
+ will i be able to have kids with this tachycardia? i was born over 3 months early because my mom
had unmedicated tachycardia. will i not be able to have kids because of this? is a pacemaker during pregnancy an option?
+ is a pacemaker now a crazy idea? i'm 24. my tachycardia makes life very difficult. i'm always exhausted, and can't do a lot. walking in the mall makes me tired. living with this is VERY uncomfortable.

Answer 1

Inappropriate sinus tachycardia is a rare condition and I am not sure that anyone that answers on yahoo answers has this condition to share their experience. Calcium channel blockers are considered to be one of the first line medications for this condition. Catheter sinus modification is usually reserved for severe cases associated with disabling conditions. It is safe for someone with IST to exercise, but they should monitor their heart rate. The maximum heart rate is 220-your age and your target heart rate with exercise would be 50-85% of your maximum heart rate. Since you are 24 your maximum heart rate is 196 therefore your target heart rate should be 98-167. If your heart rate is higher then 167 with exercise, then you need to stop or decrease the intensity of your exercise. If your heart rate is persistently above this with exercise, then you should discuss it with your Cardiologist.



If these episodes of tachycardia are temporary, then it would be not lead to any damage in your heart. Some people who have a prolonged tachycardia can develop a temporary dysfunction in their heart known as tachycardia induced cardiomyopathy. This usually occurs in people with abnormal heart rhythms like atrial fibrillation and IST is not a common cause of tachycardia induced tachycardia. Controlling the heart rate will reverse the dysfunction and the heart function will usually return to normal.



IST does not mean you will not be able to have children. Your heart rate and symptoms would need to be monitored closely during your pregnancy. It is best that you discuss this with your Cardiologist and Ob prior to conception to ensure that your pregnancy will be without problems. Unfortunately, a pacemaker is useless in the treatment of IST and would not be helpful. IST is excessive activity of the heart's natural pacemaker the sinus node. Pacemakers would be helpful if the heart rate was low but they are not helpful for most tachycardias.

Answer 2

Inappropriate Sinus Tachycardia Treatment

Answer 3

Oxygenated blood is pumped into cardiac muscles during diastolic period. If the pulse rate is increased, diastolic period is reduced conversely. This will result in starvation of oxygen to the cardiac cells and can damage the heart.

The electrical system can be stimulated in a variety of ways to make the heart beat faster. In times of stress, the body generates adrenaline, causing an increased heart rate in addition to other changes in the body. Think of being frightened and feeling your heart race. Increased thyroid hormone levels in the body can also cause a tachycardia. Ingestion of a variety of drugs can also cause the heart to race, including caffeine, alcohol, and over-the-counter cold medications that include chemicals such as phenylephrine. These compounds are metabolized by the body and act like an adrenaline stimulus to the heart. Illegal drugs like methamphetamine and cocaine can also cause a sinus tachycardia.

Answer 4

Who uses them here in their training? What is your method of implementing a "correction"? The correction I use depends on the dog. My Westie is the "good girl" - I hardly ever have to correct her, and when I do, a verbal correction is enough. With my Lab mix, I am currently using an E collar, and that is the first correction I have ever seen him respect when he is distracted. My other dogs fall in the spectrum between these two. My deadly index finger is greatly feared among the pack. :o) Sometimes I will allow a natural consequence to be a correction, like hitting the end of the leash because I turned and the dog wasnt paying attention, or being left behind because the dog refused to come and be leashed. *** Where do you use them? Only in training, maybe at home, on a walk, etc. or maybe all of the above. When do you implement them? - I'm talking timing, specific behaviours, etc. In life. :o) If a dog deliberately disobeys a command he understands, or does something unacceptable (like jumping up on people). I start with a verbal correction, and take it up from there until the dog responds. *** Why do you use corrections in your training or why not? Because it is similar to the way dogs relate to each other, and is instinctively understood, even by dogs that dont know me. Dogs dont give treats, or tell each other "good boy". ****** And in the spirit of English class lol... How do you follow through after a correction? Meaning, how do you let your dog know it has accomplished what you are asking after the correction? A correction means "here is the line...dont cross it". A correction addresses undesirable behavior, and no correction means they are on the right side of the line. If you correct properly the dog gets the message, quickly learns where the line is, and there is no long term emotional scarring. :o). I dont give rewards for NOT doing something the dog knows he should not do...I expect that. I do give rewards for desirable behavior, when a dog does something I ask him to do.

Answer 5

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