What Causes Varying ECG Test Reports?

Posted on Wed, 9 Apr 2014

Medically reviewed by Ask A Doctor - 24x7 Medical Review Team

Wed, 9 Apr 2014 Answered on

Tue, 29 Apr 2014 Last reviewed on

Question : Sometimes my ECG is normal and says i have an incomplete right bundle branch block. Other times My ECG is normal not showing the incomplete right bundle branch block. Can someone alternate between the two. I used to do ECG on patients where i worked so i know how to work the machine etc

Answered by Dr. Anantharamakrishnan (2 hours later)

Brief Answer: YES, It can... Detailed Answer: Dear friend, Welcome to Health Care Magic It can be There are several factors that can cause this – problem of the conduction system itself, surrounding tissues, changes in electrolytes and so on It also may vary with the heart rate Generally RBBB is harmless / it can be from the bundle itself / pressure or volume overload on right ventricle. One needs more investigations for further assessment and assistance HOLTER (24 to 48 hour ambulatory monitoring) is done to analyse and plan for further management… ECHOcardiogram is necessary to see the heart valves (Prolapse) / heart muscle (Cardiomyopathy) and heart function (Ejection fraction, wall motion abnormality) / pulmonary artery pressure / clots... TMT – Treadmill exercise ECG; may be with thallium isotope – is necessary to evaluate ischemia (reduced blood flow / Coronary Artery Disease) Take care Wishing all well God bless

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar