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Heart Disease (Expert Forum)
Re: ECG reading
Answered by
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.
Re: ECG reading
by William, Jul 19, 2000 12:00AM
I have Bradycardia & sick sinus syndrom (syndrome) and have a Pacemaker.
My last readings on my ECG on the AXIS were P-48, QRS -28, & T-31. What is the meaning of the minus readings? What is a normal range for each of these?
Many thanks in anticipation for your response.
WM.
My last readings on my ECG on the AXIS were P-48, QRS -28, & T-31. What is the meaning of the minus readings? What is a normal range for each of these?
Many thanks in anticipation for your response.
WM.
Doctor's Answer
by Cleveland Clinic, MD, Jul 19, 2000 12:00AM
, Jul 19, 2000 12:00AM
Dear William,
The axis on an ECG refers to the 'vector' of the electrical signal. The vector is the direction the current is traveling through the heart. The direction is divded into 360 degrees with the 'top' 180 degrees being negative and the 'bottom' 180 degrees being positive. Normal range for the P wave vector is between 0 and +75 degrees, for the QRS between -30 and +105 and for the T wave between -30 and +90. Variation outside of normal can mean many different things and is somewhat outside the scope of this forum. In general however slight variations outside of normal are benign.
The axis on an ECG refers to the 'vector' of the electrical signal. The vector is the direction the current is traveling through the heart. The direction is divded into 360 degrees with the 'top' 180 degrees being negative and the 'bottom' 180 degrees being positive. Normal range for the P wave vector is between 0 and +75 degrees, for the QRS between -30 and +105 and for the T wave between -30 and +90. Variation outside of normal can mean many different things and is somewhat outside the scope of this forum. In general however slight variations outside of normal are benign.
