Atrial Contractions

dutyofyou asked:


I am 25. I have contolled high BP and also have premature atrial contractions. Within the last week I have had fairly constant and slightly uncomfortable visible bulging pulsing right around my bottom rib under my heart. I’m waiting on an ultrasound to determine if I have an abdominal aortic aneurysm. Before I get the ultrasound done I am scheduled to complete a 12 mile ruck march (army), which would obviously be challenging for my heart and requires much endurance and must be done in three hours and must move very quickly with a heavy ruck. My question is if I do have an abdominal aortic aneurysm would it more likely be triggered to burst during this kind of extended physical exertion? Should I do this? How concerned should I be. I’ve also been having abdominal pain, stinging in my heart and an eerie feeling and nervous stomach.

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themotivatedone asked:


a) bring right ventricular walls closer together during contraction

b) pull the semilunar valves open to allow ventricular ejection

c) pull the AV valves open during atrial systole

d) prevent ballooning of AV valves leaflets back into the atria during ventricular systole, and to prevent AV valvular regurgitation

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becky asked:


My daughter had an ECG two years ago to make sure everything was ok with her heart before beginning ADHD medication. The ECG was normal. She has now started having symptoms and we had another ECG. It showed Frequent Premature Atrial Contractions and a Right Bundle Branch Block. We now have to see the Cardiologist and have more tests to find out what is causing this. I am of course really worried. I am also wondering if Focalin has caused this. Has anyone else had any issues with their child (or yourself) taking Focalin?

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asked:


a) p wave which is present only in people who have had a heart attack
b) Q-T interval, which indicates the time of atrial contraction
c) PQRS complex, which follows ventricular contraction
d) T wave which indicates ventricular repolarization

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*.*{Siisii}*.* asked:


I’ve been having a weird feeling i9n my chest and I went to the doc, and it looks like I have it, I get the scans in a couple weeks to confirm. if it is, will it go away, us its a very irritating feeling in my chest and it gives me breathing problems sometimes. Im 16 btw.

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psttt asked:


my friend wrote “i saw the dr today bout ri’s heart. she has premature atrial contractions & premature ventricular contractions. this means a normal heart has a beat from top chamber then bottom chamber in ri’s case she has extra from both. also a baby at ri’s stage should have a heart rate 130-160, hers is 150-180. her heart rate plus t…he heartbeat things could be signs of some kind of heart disease.”

is this something bad?

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emdagenais asked:


Can the cells in the heart that help it contract when the natural pacmaker (sino atrial node?) is inefficent be the cause of a more forceful beat(Palpitations?). I have had bradycardia 39bpm for the past ten months, which I think has caused imbalance and the forceful beat of the heart, that is most noticeable laying down in bed. Wondering if when the heart has to take up the slack for the pacemaker, that is why i feel a much harder contraction. Very worried, to this point the cardiologist has found nothing from the ecg, echo, blood test, and holter. Now that want to send me to neurology(????). Any insight into the question is appreciated.
I have not had a pacemaker put in.

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staggerlee asked:


For a while I have been feeling what I think are irregular heartbeats occasionally. The feeling is hard to explain but it kind of feels like my heart beats really hard 1 to 3 times and then it’s normal. I did a little research and found that this could be premature atrial contractions or premature ventricular contractions(PVCs). The reason I think it could be these is because of this quote I read “In some people, it can be related to stress, too much caffeine or nicotine, or too much exercise” I am sometimes pretty stressed out, I often smoke too many cigarettes, and sometimes I take this pre-workout drink which has a lot of caffeine for working out early in the morning. I definitely work out too much but I don’t drink coffee and I only take the workout drink maybe once out of every 7 times I work out.

These possible extra heartbeats don’t necessarily feel bad in any way, if anything they make me feel like I need an extra breath. Should I see a doctor? These occurrences are pretty uncommon.
Thank you for your time and your responses.

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Ali S asked:


1. What is an infarcted area?
2. The pressure on arteries during contraction is called?
3. The heart muscle is surrounded by?
4. A misfiring of the heart by its electrical system is known as?
5. Healthy arteries will __________?
6. Diabetes can contribute to heart disease by slevating? (maybe elevating)
7. Following an M.I. you may be left with fluid in the ____ or _____?
8. What is the standard name for clot?
9. A dead portion of the heart?
10. Double beat of atrial portion of heart?
11. When your blood is not able to clot it is called?
12. When the arteries are full of blood?

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Doctor asked:


1)walls of arteries composed of layers of muscle and elastic fibers that allow for contraction/expansion during heart cycle, aorta must be able to compensate for flow and is considered:
a) elastic artery b)fenestrated blood vessel c) muscular artery d) meta-arteriole
2)in a true capillary bed, this vessel connects artery to vein:
A)bundle of his b) thoroughfare channel c) vasomotor center d) mitral valve
3) what is normal cardiac output for person with heart rate of 75bpm
4)contracted cycle of heart begins with contraction of atrium due to stimulation from brain. this contraction is _____
5) asynchronous closing of atrioventricular valves would most likely be associated with
a) mitral valve prolapse b) atrial flutter c) heart murmur d) av valve stenosis

any help is appreciated

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