Your heart rhythm

Palpitations, arrhythmias

What is an arrhythmia?

Question: 

I have this irregular heart beat. How do I know whether it is an arrhythmia?
Thanks a lot,
Sandra

Hi Sandra,

Arrhythmias are disorders of your heart’s electrical system, causing a change in the regular beat of your heart. The heart may beat too quickly (tachycardia), or too slowly (bradycardia) or irregularly, all of which may affect the heart’s ability to pump blood around the body.

Long QT and Thymoma

Question: 

I am about to get a thymectomy due to suspected thymoma.
Recently, the attacks of chest pressure/pain, rapid heart beat and sudden dizziness/nausea worsened and during the last one I was in patient and my right arm suddenly became very heavy, The ER doc was called. when he finally arrived I was already in recovery though I still had some symptoms. She did an ECG and said it was normal. Yesterday, I got the report which says: Likely still normal. There was "QT prolongation" but there was another value which should have been smaller than 170 so that ECG would have been considered as defintely abnormal.My value was 172.
However, I wonder if te result had been clearly abnormal during the peak of the attack.
Could this explain my heart issues? (heart function per se is fine as seen in heart ultrasound)  - as far as I have understood, in QT syndrome, there is no mechanical or functional problem with the heart per se, it's rather an issue of the nerves/external innervation of the heart. Am I right??

What could cause such a QT syndrome if I dont take any drugs? Could this be a effect of autonomic neuropathy? And could it have something to with the thymoma at all? Thanks

Sarah

Hi Sarah,
In patients with a thymoma, low calcium levels are occasionally associated with long QT. Treatment involves correcting abnormal calcium and resection of the thymoma. Otherwise, I cannot possibly make a diagnosis, thus can only provide you with information. That said, it is highly unlikely that long QT syndrome (a congenital illness) is an issue.
Hope this helps,
Dr T

Palpitations

Question: 

I am a 46 yr old female. My problem is pvc and pac's. I have had a stress test, persantine stress thallium, echo, and holtor monitor. All normal except holtor, doc say benign pvc and pac. 48 hr holtor showed 0.2 % pvc and 0.2 % pac. My question is why is it that some days are worst then others. Some days not to bad other day a real bother. Now does this put me at risk for CAD. My father dies of a MI at 59 and my uncle 51.Mother fine no HX of CAD. EF for me was 68 %. I am a very anxious person, now some doctors say that stress can cause my pvc and another doctor says no. I dont know what to believe anymore.How  often should a person get checked at my age with the family HX. Normal BP not diabetic.Also when should someone go to emerg when having pvc. Cant run there every time I get them. I sometimes get sharp pains in my chest but just a second. Any info would be great. Thanks

Hi Lise,
It seems you are not accepting all these test results: all negative. This means you don't have to worry!
Read this about palpitations & risk of heart disease.
Hope this helps,
Dr T

Heart rate to fast?

Question: 

Hi dr. tks for service.

I am almost 36fem with 3 children. i try to walk at least 30mins a day but most days i do more. Today i went for a quick power walk in the afternoon.

my pulse when i started was 100 and at some point it reached 149 .I don't know , I got scared . I was feeling perfectly fine and i was even talking on the phone but still maybe it was too much?

Hi Tonia,
Read about heart rate here. If you live an otherwise healthy life style, you're fine and shouldn't worry.
Hope this helps,
Dr T
 

Multaq and Pradaxa for A fib

Question: 

My dad is a 69 years old, and had bypass surgery in '04. No heart attacks. He does have a leaky valve, doc doesn't seem to concerned with that. Recently, he went into what they called a "controlled a fib. Dad was not symptomatic, just checked his bp one day, wasn't what it normally was, it was high and his pulse rate was high. They put him on blood thinner and cardioverted him. He is now on Multaq 400mg twice a day and pradaxa. He is doin good so far on the new meds. It just concerns me reading some of the reviews about Multaq. Liver damage, heart failure, etc. Should we ask his cardiologist for another alternative med? He has been on the Multaq for almost a week, and like I said, so far, doing great. bp is good and pulse rate 50's and 60's. Any guidence would greatly be appreciated. God bless...

Both Multaq and Pradaxa have been in the news promising easy treatments for Afib and its potential complication of stroke. Both have been involved with  reports of bad outcomes.

Pvc during/after exercise

Question: 

last month I was doing some exercise on the elleptical. I was about 30 minutes in to my routine, sweating and breathing at a high rate...when I quit my exercise routine, Suddenly I felt my heart was skipping, it felt like it was  skipping/ missing  every other beat rapidly. I ried to catch my breath but I think I panicked and my heart didnt return to normal until 60 seconds or so. it was quite terrifying... what was this all about?I've had a holter, but I didn't get this rhytem while wearing. Only 2 pvc's where catched. Also I've had an echo with no abnormalities. I am male 25 years of age.. healthy and athletic overall (or so i thought? )

I think there where pvc's but the jolt sensation  felt  extremely worse, like my breat was taking away every other beat. My questions:

1. What is the significance of pvc's during or after exercise at a heart rate of 140/150 beats per minute? (in young men)

2. I had about 16 pvc's in a minute and then it stopped, how much pvc's are normal at this heart rate?

3. Should I do more tests, because of the fact the rhytem was not catched on the holter.

Thanx doc.

Hi John,

Ventricular tachycardia (VT)

Ventricular tachycardia (VT) is a rapid heartbeat that starts in the ventricles of your heart, with a pulse rate of more than 100 beats per minute and at least three irregular heartbeats in a row.

CPR (cardiopulmonary resuscitation)

CPR (cardiopulmonary resuscitation) is indicated in those who are unresponsive with no breathing or only gasps.

heart dephibulator

Question: 

What is the most times a dephibulator has gone off in a patient?
My Dad's went off 83 time according to the technican at the hospital. With a sign of heart attack.

Hi Jason,

Does NSVT necessitate a Cardiac Cath?

Question: 

Hi,
My husband has been having some dizziness when he stands from a squatting position and only then. He had an endoscopy done  not to long ago and his pulse rate was low and in the 40's. As his wife and a healthcare person I thought since he is 54 he should be worked up . So he had a stress echo and that was normal. He had a 24 hr halter monitor and the report was that they saw some irregular heart beats and dx him with NSVT. So now they want him to have a cardiac cath. I am quite upset about this. Unfortunaltely I was not at the consultation when this information was explained  to my husband. Would this be the next step or should I get another opinion? I will speak with the cardioligist about this but they are pushing to have this done.Can you help me understand this condition. Thank ou so much.

Hi Julie,

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