The enlargement may be due to the exercise and not pathogenic. Or it could be the normal size for you!
An EKG is not a reliable source to determine chamber dimensions...ekg is useful to to determine rhythmetic problems. An echocardiogram can give an estimate of dimensions that has some validity, if there is any concern. I doubt you have a heart problem if you can walk at a good pace for 1 1/2 miles there are no symptoms with exertion. If you have a patthogenically enlarged heart, there usually is a fast heart rate at rest (over 100) and shortness of breath with exercise.
I would certainly agree with KenKeith. The EKG can show a problem with wall thickness, but usually checks the electrical system of the heart. You said nothing of seeing a cardiologist. You said your primary doctor did this EKG. If you have a serious heart problem, you wouldn't be able to walk like you discribe. If you are concerned, see a cardiologist for further testing.
Copyright 1994-2018MedHelp.All rights reserved. MedHelp is a division of Vitals Consumer Services, LLC.
The Content on this Site is presented in a summary fashion, and is intended to be used for educational and entertainment purposes only. It is not intended to be and should not be interpreted as medical advice or a diagnosis of any health or fitness problem, condition or disease; or a recommendation for a specific test, doctor, care provider, procedure, treatment plan, product, or course of action. MedHelp is not a medical or healthcare provider and your use of this Site does not create a doctor / patient relationship. We disclaim all responsibility for the professional qualifications and licensing of, and services provided by, any physician or other health providers posting on or otherwise referred to on this Site and/or any Third Party Site. Never disregard the medical advice of your physician or health professional, or delay in seeking such advice, because of something you read on this Site. We offer this Site AS IS and without any warranties. By using this Site you agree to the following Terms and Conditions. If you think you may have a medical emergency, call your physician or 911 immediately.