What are the main causes of left ventricular hypertrophy?

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Left ventricular hypertrophy usually develops in response to excessive blood pressure (pressure overload) or excessive blood volume filling the left ventricle (volume overload).

Pressure overload
Causes of pressure overload include:

* Hypertension. Blood pressure is determined by the amount of blood pumped by the heart and how the blood vessels respond to the pressure (resistance). High blood pressure is the most common cause of left ventricular hypertrophy.
* Aortic stenosis. This is a condition in which there's a narrowing of the aortic valve, the flap separating your heart from the aorta, the large blood vessel that branches off your heart and delivers oxygen-rich blood to your body. When the aortic valve is narrowed, blood flow from the heart into the aorta and on to your body is obstructed. Aortic stenosis causes blood pressure to build in the left ventricle.

Volume overload
Causes of volume overload include:

* Aortic valve regurgitation. Aortic valve regurgitation is a condition in which the heart valve separating the left ventricle and the aorta doesn't close properly, resulting in some blood flowing backward into the left ventricle. This increases the volume of blood in the left ventricle.
* Dilated cardiomyopathy. Cardiomyopathy refers to a weakening of the heart muscle. The condition may be inherited or acquired later in life. Dilated cardiomyopathy involves the enlargement of one or more chambers of your heart. An enlarged left ventricle is able to fill with more blood and requires more force to pump it out to your body.

Left ventricular hypertrophy can occur in the absence of pressure or volume overload. An inherited condition that causes a thickening in part or all of the heart (hypertrophic cardiomyopathy) can cause left ventricular hypertrophy.  (+ info)

Can you join the service if you have recently been diagnosed with Left Ventricular Hypertrophy?

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Hey, I'm 21, and want to join the service, but do you think i would be accepted with this condition?
lol thx namairb2..and that sux

wow, u make it sound like im about to die or something...am I? oh shit...am I?
  (+ info)

I have concentric left ventricular hypertrophy, and symptoms of heart failure, is it possible to have COPD too

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also have chronic hypertension, should I take Advair?
I know this is two questions.
Yes, you can have COPD (chronic obstructive pulmonary disease) too! Ask your doctor if Advair is right for your condition.

Concentric LVH is probably a result of the chronic hypertension. It means that the wall of your left ventricle is thickened or enlarged. Hypertension that isn't well controlled makes your heart work harder to pump the blood out to your body, thereby making your heart muscle thicker or hypertrophic. Keep a close eye on your blood pressure so you can prevent this from worsening! That's one muscle that you don't want growing too much!

Hope this helps.  (+ info)

Meaning of Grade 1 Left Ventricular impairment?

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Can anyone explain what the finding of Left Venticle-Diastole : mild (grade 1) impairment of left ventricular relaxation with normal left ventricular filling pressure means. My doctor says it is okay for now but she can't explain further than that. What should I do? Where can I find free evaluation of this findings.
When your heart pumps, it has four chambers and two phases. The Left Ventricle is the chamber that pumps blood to the rest of your body The right pumps it to your lungs to pick up oxygen. Systole is the actual contraction. Diastole is the relaxation. To the ventricles arternate. Contract, then relax. Contract, then relax. The relaxing part allows the chamber to full with blood again so more blood can be pumped around. So putting this into laymen's terms, the part of the heart that is pumping blood to the body is having a little bit of trouble relaxing. Because it has trouble relaxing, it might have trouble pumping blood to the body. Now stop. this sounds scary, but it's not. This is merely a stare 1 problem. Now, if this was a stage 3, you might be in the hospital. I recommend that you listen to what the doctor says and everything should be OK!
best of luck!  (+ info)

Left ventricular outflow and mean aortal pressure?

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Obviously I wasn't specific enough in my question so will re-phrase it.
Is there any evidence from direct measurements of total flow and mean pressure at the aortic valve, that the quotient of pressure over flow increases with the aging process?
Here is link that will help you out:

http://circ.ahajournals.org/cgi/content/full/92/6/1473  (+ info)

Diffuse disease of the LAD normal left ventricular functions of the heart?

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I have a disease in my LAD which is not amenable to any form of intervention due to the small size of the artery and the extent of distal vessel disease - what does this mean
i disagree not all blockages can be bypassed, i have difussed blockages,some are to small or sometimes to many artires are blocked  (+ info)

What does "mild concentric left ventricular hypertrophy" mean?

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Your left ventricle is straining for whatever reason and the muscle mass increases. No that's not good because it diminishes the size of the ventricle and therefore how much blood can be pumped out of it So your cardiac output drops. The doctors will let you know your options. And why didn't you ask your doctor? He should have fully explained it to you. And by the way it does say "mild" so it's probably nothing to worry about right now.
God bless.  (+ info)

Baby with left ventricular prominence?

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Doctor just told me and my wife that our 8 month old baby girl has left ventricular prominence. What does anybody know about this, any help would be great. We're really worried about this.
The left ventricle is larger than normal. It is the dominant ventricle.

Your heart has a left and right ventricle and a left and right atrium.

No heart's ventricles or atrium's should be enlarged, so it would be considered abnormal.

This could be due to aortic valve problems such as stenosis (narrowing of the valve) or regurgitation/insufficiency (leakage of the valve).

There needs to be a reason why it is enlarged so it can be treated.

Contact a Pediatric Cardiologist in your area.

Best of luck!  (+ info)

Is it a problem when the left and right ventricular pressures are not identical. can this cause long term dama?

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can this situation if left cause long term heart damage. what would be the best treatment for patient.
Enlarged and weakened heart muscles. Right sided heart failure (lower extremities edema) or left sided heart failure (cardio pulmonary hypertension and pulmonary edema). One side going bad can eventually maybe lead to the other side going bad. Lasix (diuretics) and maybe lanoxin to strenthen the heart and maybe high blood pressure meds of some sort? Some people are born with problems, some people get viruses that damage the heart, some people drink way too much alcohol, some people might have damage from heart attacks or cholesterol, etc.

Try getting a little book called the "Oxford handbook to clinical medicine"...like this one..
http://cgi.ebay.com/The-Oxford-Handbook-of-Clinical-Medicine-Mini-Edition_W0QQitemZ320465070174QQcmdZViewItemQQptZUS_Texbook_Education?hash=item4a9d34e85e

Even older copies are way cool with lots of info for student doctors, student nurses or knowledgeable patients who want to know more.  (+ info)

What percentage of pts with newly diagnosed with left ventricular heart failure have no previous medical Hx.?

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Best guess as to the percentage of pts who "alll of a sudden" develop left ventricualr HF with out having any kind of medical hx, MI, stroke, diabetes, hypertension etc.
It is difficult to find numbers for that sort of thing. Most studies that attempt to tally the causes for left ventricular dysfunction focus on specific areas - Japan, Africa, Olmstead County... I suspect that's why nobody has answered the question so far.

What I can tell you is that 30-40% of cases of left ventricular dysfunction are non-ischemic, meaning their poor ventricular function is not due to coronary artery disease. This group is made up of people with heart failure due to alcohol, arrhythmias, genetic causes, viral infections, pregnancy or in some cases no apparent reason at all. I hope that helps.  (+ info)

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