Aa
A
A
Close
Avatar universal
Left Atrial Hypertrophy
What causes left atrial hypertrophy?
What does it mean in terms of short and long term accomodations or life style changes I need to make?
Cancel
2 Answers
Page 1 of 1
367994 tn?1304957193
The underlying cause for AH should be kinown before there is an answer to your second question.

Usually, there is dilation due to intra heart pressures.  Dilation can be a response to chronic volume overload (high blood pressure) or for example, in mitral valve regurgitation, the volume and pressure of the left atrium are greatly increased. The left atrium responds by undergoing chronic dilation, which enables it to accommodate the increased volume without as large an increase in pressure because of its increased compliance.  Usually there is left ventricle dilatation as well.

The condition is  deleterious because it increases the oxygen demand of the heart and decreases mechanical efficiency. Certain drugs, such as beta-blockers, angiotensin-converting enzyme inhibitors and angiotensin receptor blockers have been shown to prevent or partially reverse remodeling (enlarged chamber) under pathologic conditions.  Sometimes an athlete's heart chambers enlarge and that is not pathological, but beneficial and more efficient.
Comment
Cancel
Comment
Avatar universal
Comment
Comment
Comment
Post Comment
Avatar universal
Volume or pressure, You pick!

Volume from a leaky valve or pressure from high blood pressure normally.

And then it can cause atrial fibrillation which makes your atria into grapefruit.

Or, also likely, you were just born that way. Less likely though. When we see large atria in the echo lab. It's because of a leaky mitral valve which when the left ventricle squeezes, pushes blood back into the atria instead of forward. Stretches it out simply.

Atrial fibrillation is second. But which comes first, afib or the chicken or the egg? That is a long needless explanation.

So probably leaky valve, not the answer then, high blood pressure, then genetic, then well there is always this diastolic function stuff (an even longer needless explanation)
Comment
Cancel
Comment
Avatar universal
Comment
Comment
Comment
Post Comment
Your Answer
Avatar universal
Answer
Do you know how to answer? Tap here to leave your answer...
Answer
Answer
Post Answer
A
A
Top Heart Disease Answerers
159619 tn?1499916784
Blank
Salt Lake City, UT
11548417 tn?1480750569
Blank
Netherlands
Avatar universal
Blank
5536886 tn?1455830946
Blank
Avatar universal
Blank
Blank
BloodPressure Tracker
Monitor Your Blood Pressure
Start Tracking Now
Blank
HeartRhythm Tracker
Track your Heart Condition
Start Tracking Now
Recent Activity
996946 tn?1503252712
Blank
LindaTX Happy 2017 everyone! Comment
7 hrs ago
Avatar universal
Blank
Catslover added the Blood Pressure Tracker
Aug 14
Avatar universal
Blank
Heart Disease Community Resources