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Heart Disease (Expert Forum)

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Q Wave

This forum is for questions and support regarding heart issues such as: Angina, Angioplasty, Arrhythmia, Bypass Surgery, Cardiomyopathy, Coronary Artery Disease, Defibrillator, Heart Attack, Heart Disease, High Blood Pressure, Mitral Valve Prolapse, Pacemaker, PAD, Stenosis, Stress Tests.

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MedHelp Member's Question

Q Wave

by Bev, Nov 15, 1999 12:00AM

Tags: Heart, Heart Disease, angina, cardiac, children, coronary, daughter, echocardiogram, indirect, ischemia, lateral, significant, ultrasound, valves, worry, years, Heart Attack

I have two questions. What is the significance of a deep and wide Q wave in lead aVL in a patient who has had an anomolous left coronary reimplanted two years ago? Also, what part of the heart does aVL refer to?
Thank you for your time.
Bev

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Doctor's Answer

by CCF CARDIO MD - DLB, Nov 15, 1999 12:00AM

A Q wave represents underlying electrical forces in the heart. In certain circumstances, it can provide indirect evidence for an old heart attack. AVL looks at the lateral part of the heart. An isolated Q wave in one lead is usually of no significance.

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Member Comments (3)

by Bev, Nov 15, 1999 12:00AM

I've heard of children with ALCAPA who suffered heart attacks. My daughter was suffering with angina caused by ischemia at the time her ALCAPA was discovered. It seems possible that she could have been heading in that direction. If it were true that she had a heart attack, now that two years has gone by, would there be anything more to worry about? Her doctor never said she did or didn't have one. Could enlarged left ventrical, irregular heart beat, and leaking valves be the result of a heart attack?
Thank you again for your time.
Bev

by CCF CARDIO MD - DLB, Nov 15, 1999 12:00AM

More than likely, she has had an echocardiogram - a cardiac ultrasound. This would reveal whether she had any significant heart attack in the past. If she had, it could lead to an enlarged heart or irregular heart beats. I this were the case, she might benefit from certain medications.

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